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MT49H32M9FM-25:B

MT49H32M9FM-25:B

  • 厂商:

    MICRON(镁光)

  • 封装:

    µBGA144_18.5X11MM

  • 描述:

    ICRLDRAM288MBIT400MHZ144UBGA

  • 数据手册
  • 价格&库存
MT49H32M9FM-25:B 数据手册
288Mb: x9, x18, x36 CIO RLDRAM 2 Features CIO RLDRAM 2 MT49H32M9 – 32 Meg x 9 x 8 Banks MT49H16M18 – 16 Meg x 18 x 8 Banks MT49H8M36 – 8 Meg x 36 x 8 Banks Options1 Features • Clock cycle timing – 1.875ns @ tRC = 15ns – 2.5ns @ tRC = 15ns – 2.5ns @ tRC = 20ns – 3.3ns @ tRC = 20ns – 5.0ns @ tRC = 20ns • Configuration – 32 Meg x 9 – 16 Meg x 18 – 8 Meg x 36 • Operating temperature – Commercial (0° to +95°C) – Industrial (TC = –40°C to +95°C; TA = –40°C to +85°C) • Package – 144-ball µBGA – 144-ball µBGA (Pb-free) – 144-ball FBGA – 144-ball FBGA (Pb-free) • Revision • 533 MHz DDR operation (1.067 Gb/s/pin data rate) • 38.4 Gb/s peak bandwidth (x36 at 533 MHz clock frequency) • Organization – 32 Meg x 9, 16 Meg x 18, and 8 Meg x 36 • 8 internal banks for concurrent operation and maximum bandwidth • Reduced cycle time (15ns at 533 MHz) • Nonmultiplexed addresses (address multiplexing option available) • SRAM-type interface • Programmable READ latency (RL), row cycle time, and burst sequence length • Balanced READ and WRITE latencies in order to optimize data bus utilization • Data mask for WRITE commands • Differential input clocks (CK, CK#) • Differential input data clocks (DKx, DKx#) • On-die DLL generates CK edge-aligned data and output data clock signals • Data valid signal (QVLD) • 32ms refresh (8K refresh for each bank; 64K refresh command must be issued in total each 32ms) • HSTL I/O (1.5V or 1.8V nominal) • 25–60Ω matched impedance outputs • 2.5V V EXT, 1.8V V DD, 1.5V or 1.8V V DDQ I/O • On-die termination (ODT) RTT PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Note: 1 Marking -18 -25E -25 -33 -5 32M9 16M18 8M36 None IT FM BM TR SJ :B 1. Not all options listed can be combined to define an offered product. Use the part catalog search on micron.com for available offerings. Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. Products and specifications discussed herein are subject to change by Micron without notice. 288Mb: x9, x18, x36 CIO RLDRAM 2 Features BGA Marking Decoder Due to space limitations, BGA-packaged components have an abbreviated part marking that is different from the part number. Micron’s BGA Part Marking Decoder is available on Micron’s web site at micron.com. Figure 1: 288Mb RLDRAM 2 CIO Part Numbers Example Part Number: MT49H16M18SJ-25 :B - MT49H Configuration I/O Package : Speed Temp Revision I/O Common None Configuration Separate C Rev. A None Rev. B :B 32 Meg x 9 32M9 16 Meg x 18 16M18 Temperature 8 Meg x 36 8M36 Commercial Industrial Package PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Rev. 144-ball µBGA FM Speed Grade 144-ball µBGA (Pb-free) BM -18 144-ball FBGA TR -25E tCK = 2.5ns 144-ball FBGA (Pb-free) SJ -25 tCK = 2.5ns -33 tCK = 3.3ns -5 tCK = 5ns 2 None IT tCK = 1.875ns Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Features Contents General Description ......................................................................................................................................... 7 Functional Block Diagrams ............................................................................................................................... 8 Ball Assignments and Descriptions ................................................................................................................. 11 Package Dimensions ....................................................................................................................................... 16 Electrical Specifications – IDD .......................................................................................................................... 18 Absolute Maximum Ratings ............................................................................................................................ 22 AC and DC Operating Conditions .................................................................................................................... 22 Input Slew Rate Derating ................................................................................................................................ 25 Capacitance ............................................................................................................................................... 28 AC Electrical Characteristics ........................................................................................................................... 29 Temperature and Thermal Impedance ............................................................................................................ 32 Commands .................................................................................................................................................... 34 MODE REGISTER SET (MRS) Command ......................................................................................................... 35 Configuration Tables .................................................................................................................................. 37 Burst Length (BL) ....................................................................................................................................... 37 Address Multiplexing .................................................................................................................................. 39 DLL RESET ................................................................................................................................................. 39 Drive Impedance Matching ........................................................................................................................ 39 On-Die Termination (ODT) ......................................................................................................................... 40 READ Command ............................................................................................................................................ 41 WRITE Command .......................................................................................................................................... 42 AUTO REFRESH (AREF) Command ................................................................................................................. 43 INITIALIZATION Operation ............................................................................................................................ 44 READ Operations ........................................................................................................................................... 47 WRITE Operations .......................................................................................................................................... 53 AUTO REFRESH Operation ............................................................................................................................. 58 On-Die Termination ....................................................................................................................................... 59 Multiplexed Address Mode .............................................................................................................................. 62 Configuration Tables .................................................................................................................................. 66 REFRESH Command in Multiplexed Address Mode ..................................................................................... 66 IEEE 1149.1 Serial Boundary Scan (JTAG) ........................................................................................................ 71 Disabling the JTAG Feature ......................................................................................................................... 71 Test Access Port (TAP) ..................................................................................................................................... 71 Test Clock (TCK) ......................................................................................................................................... 71 Test Mode Select (TMS) .............................................................................................................................. 71 Test Data-In (TDI) ...................................................................................................................................... 72 Test Data-Out (TDO) .................................................................................................................................. 72 TAP Controller ................................................................................................................................................ 73 Test-Logic-Reset ......................................................................................................................................... 73 Run-Test/Idle ............................................................................................................................................. 73 Select-DR-Scan .......................................................................................................................................... 73 Capture-DR ................................................................................................................................................ 73 Shift-DR ..................................................................................................................................................... 73 Exit1-DR, Pause-DR, and Exit2-DR .............................................................................................................. 73 Update-DR ................................................................................................................................................. 73 Instruction Register States .......................................................................................................................... 73 TAP Reset ....................................................................................................................................................... 74 TAP Registers ................................................................................................................................................. 75 Instruction Register .................................................................................................................................... 75 Bypass Register .......................................................................................................................................... 75 PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 3 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Features Boundary Scan Register .............................................................................................................................. Identification (ID) Register .......................................................................................................................... TAP Instruction Set ......................................................................................................................................... EXTEST ...................................................................................................................................................... IDCODE ..................................................................................................................................................... SAMPLE/PRELOAD .................................................................................................................................... CLAMP ...................................................................................................................................................... High-Z ....................................................................................................................................................... BYPASS ...................................................................................................................................................... Reserved for Future Use .............................................................................................................................. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 4 75 75 76 76 76 76 77 77 77 77 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Features List of Figures Figure 1: 288Mb RLDRAM 2 CIO Part Numbers ................................................................................................ 2 Figure 2: State Diagram ................................................................................................................................... 7 Figure 3: 32 Meg x 9 Functional Block Diagram ................................................................................................. 8 Figure 4: 16 Meg x 18 Functional Block Diagram ............................................................................................... 9 Figure 5: 8 Meg x 36 Functional Block Diagram ............................................................................................... 10 Figure 6: 144-Ball µBGA ................................................................................................................................. 16 Figure 7: 144-Ball FBGA ................................................................................................................................. 17 Figure 8: Minimum Slew Rate ........................................................................................................................ 23 Figure 9: Clock Input ..................................................................................................................................... 24 Figure 10: Nominal tAS/tCS/tDS and tAH/tCH/tDH Slew Rate .......................................................................... 28 Figure 11: AC Outputs – Equivalent Load ........................................................................................................ 31 Figure 12: Example Temperature Test Point Location ...................................................................................... 33 Figure 13: Mode Register Set .......................................................................................................................... 35 Figure 14: Mode Register Definition in Nonmultiplexed Address Mode ............................................................ 36 Figure 15: Read Burst Lengths ........................................................................................................................ 38 Figure 16: On-Die Termination-Equivalent Circuit .......................................................................................... 40 Figure 17: READ Command ........................................................................................................................... 41 Figure 18: WRITE Command ......................................................................................................................... 42 Figure 19: AUTO REFRESH Command ........................................................................................................... 43 Figure 20: Power-Up/Initialization Sequence ................................................................................................. 45 Figure 21: Power-Up/Initialization Flow Chart ................................................................................................ 46 Figure 22: Basic READ Burst Timing ............................................................................................................... 47 Figure 23: Consecutive READ Bursts (BL = 2) .................................................................................................. 48 Figure 24: Consecutive READ Bursts (BL = 4) .................................................................................................. 49 Figure 25: READ-to-WRITE ............................................................................................................................ 49 Figure 26: Read Data Valid Window for x9 Device ........................................................................................... 50 Figure 27: Read Data Valid Window for x18 Device .......................................................................................... 51 Figure 28: Read Data Valid Window for x36 Device .......................................................................................... 52 Figure 29: WRITE Burst ................................................................................................................................. 53 Figure 30: Consecutive WRITE-to-WRITE ....................................................................................................... 54 Figure 31: WRITE-to-READ ............................................................................................................................ 55 Figure 32: WRITE-to-READ – Separated by Two NOP Commands .................................................................... 56 Figure 33: WRITE – DM Operation ................................................................................................................. 57 Figure 34: AUTO REFRESH Cycle ................................................................................................................... 58 Figure 35: READ Burst with ODT .................................................................................................................... 59 Figure 36: READ-NOP-READ with ODT .......................................................................................................... 60 Figure 37: READ-to-WRITE with ODT ............................................................................................................ 61 Figure 38: Command Description in Multiplexed Address Mode ..................................................................... 62 Figure 39: Power-Up/Initialization Sequence in Multiplexed Address Mode ..................................................... 63 Figure 40: Mode Register Definition in Multiplexed Address Mode .................................................................. 64 Figure 41: Burst REFRESH Operation with Multiplexed Addressing ................................................................. 66 Figure 42: Consecutive WRITE Bursts with Multiplexed Addressing ................................................................. 67 Figure 43: WRITE-to-READ with Multiplexed Addressing ................................................................................ 68 Figure 44: Consecutive READ Bursts with Multiplexed Addressing ................................................................... 69 Figure 45: READ-to-WRITE with Multiplexed Addressing ................................................................................ 70 Figure 46: TAP Controller State Diagram ......................................................................................................... 74 Figure 47: TAP Controller Block Diagram ........................................................................................................ 74 Figure 48: JTAG Operation – Loading Instruction Code and Shifting Out Data .................................................. 78 Figure 49: TAP Timing ................................................................................................................................... 78 PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 5 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Features List of Tables Table 1: 32 Meg x 9 Ball Assignments (Top View) ............................................................................................. Table 2: 16 Meg x 18 Ball Assignments (Top View) ........................................................................................... Table 3: 8 Meg x 36 Ball Assignments (Top View) ............................................................................................. Table 4: Ball Descriptions .............................................................................................................................. Table 5: IDD Operating Conditions and Maximum Limits – Rev. A .................................................................... Table 6: IDD Operating Conditions and Maximum Limits – Rev. B .................................................................... Table 7: Absolute Maximum Ratings .............................................................................................................. Table 8: DC Electrical Characteristics and Operating Conditions ..................................................................... Table 9: Input AC Logic Levels ........................................................................................................................ Table 10: Differential Input Clock Operating Conditions ................................................................................. Table 11: Address and Command Setup and Hold Derating Values .................................................................. Table 12: Data Setup and Hold Derating Values .............................................................................................. Table 13: Capacitance – µBGA ........................................................................................................................ Table 14: Capacitance – FBGA ........................................................................................................................ Table 15: AC Electrical Characteristics ............................................................................................................ Table 16: Temperature Limits ......................................................................................................................... Table 17: Thermal Impedance ........................................................................................................................ Table 18: Thermal Impedance ........................................................................................................................ Table 19: Description of Commands .............................................................................................................. Table 20: Command Table ............................................................................................................................. Table 21: Cycle Time and READ/WRITE Latency Configuration Table .............................................................. Table 22: Address Widths at Different Burst Lengths ....................................................................................... Table 23: On-Die Termination DC Parameters ................................................................................................ Table 24: Address Mapping in Multiplexed Address Mode ............................................................................... Table 25: Cycle Time and READ/WRITE Latency Configuration in Multiplexed Mode ....................................... Table 26: Instruction Codes ........................................................................................................................... Table 27: TAP Input AC Logic Levels ............................................................................................................... Table 28: TAP AC Electrical Characteristics ..................................................................................................... Table 29: TAP DC Electrical Characteristics and Operating Conditions ............................................................. Table 30: Identification Register Definitions ................................................................................................... Table 31: Scan Register Sizes .......................................................................................................................... Table 32: Boundary Scan (Exit) Order ............................................................................................................. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 6 11 12 13 14 18 20 22 22 23 24 25 27 28 28 29 32 33 33 34 34 37 38 40 65 66 76 79 79 80 80 80 80 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 General Description General Description The Micron® reduced latency DRAM (RLDRAM®) 2 is a high-speed memory device designed for high-bandwidth data storage such as telecommunications, networking, and cache applications. The chip’s 8-bank architecture is optimized for sustainable highspeed operation. The DDR I/O interface transfers two data words per clock cycle at the I/O balls. Output data is referenced to the free-running output data clock. Commands, addresses, and control signals are registered at every positive edge of the differential input clock, while input data is registered at both positive and negative edges of the input data clock(s). Read and write accesses to the device are burst-oriented. The burst length (BL) is programmable to 2, 4, or 8 by setting the mode register. The device is supplied with 2.5V and 1.8V for the core and 1.5V or 1.8V for the output drivers. Bank-scheduled refresh is supported with the row address generated internally. The 144-ball package is used to enable ultra high-speed data transfer rates and a simple upgrade path from early generation devices. Figure 2: State Diagram Initialization sequence DSEL/NOP WRITE READ MRS AREF Automatic sequence Command sequence PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 7 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Functional Block Diagrams Functional Block Diagrams Figure 3: 32 Meg x 9 Functional Block Diagram ZQ ZQ CAL Output drivers ODT control CK CK# Command decode CS# REF# WE# Control logic Vtt Refresh counter Mode register 18 Bank 7 Bank 6 Bank 5 Bank 4 Bank 3 Bank 2 Bank 1 Bank 0 13 Rowaddress MUX 13 13 Bank 0 rowaddress latch and decoder Rtt ODT control CK/CK# 8,192 Bank 0 memory array (8,192 x 32 x 16 x 9)2 DLL ZQ CAL 144 SENSEamplifiers AMPLIFIERS Sense READ n logic n 9 9 9 Drivers DQ latch 2 144 Address register 3 DQ0–DQ8 31 I/O gating DQM mask logic 8 8 32 144 5 8 81 Columnaddress counter/ latch Column decoder WRITE FIFO n and drivers n DK/DK# 2 9 9 Input logic 24 Bank control logic QVLD QK0/QK0# QK/QK# generator 8,192 A0–A201 BA0–BA2 (0 ....8) 9 CLK in RCVRS Vtt 81 Rtt 31 ODT control DM Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. Examples for BL = 2; column address will be reduced with an increase in burst length. 2. 16 = (length of burst) × 2^(number of column addresses to WRITE FIFO and READ logic). 8 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Functional Block Diagrams Figure 4: 16 Meg x 18 Functional Block Diagram ZQ ZQ CAL Output drivers ODT control CK CK# Command decode CS# REF# WE# Control logic Vtt Refresh counter Mode register 18 Bank 7 Bank 6 Bank 5 Bank 4 Bank 3 Bank 2 Bank 1 Bank 0 13 Rowaddress MUX 13 13 Bank 0 rowaddress latch and decoder Rtt ODT control CK/CK# 8,192 Bank 0 memory array (8,192 x 32 x 8 x 18)2 DLL ZQ CAL 144 Sense SENSEamplifiers AMPLIFIERS READ n logic n 18 18 18 Drivers DQ latch 4 QK/QK# generator 8,192 144 BA0–BA2 23 Address register Bank control logic 3 DQ0–DQ17 8 144 8 71 Columnaddress counter/ latch DK/DK# 2 32 5 QVLD QK0–QK1/ QK0#–QK1# 21 I/O gating DQM mask logic 8 Column decoder WRITE FIFO and drivers n n 18 18 Input logic A0–A191 (0 ....17) 18 CLK in 71 RCVRS Vtt Rtt 21 ODT control DM Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. Examples for BL = 2; column address will be reduced with an increase in burst length. 2. 8 = (length of burst) × 2^(number of column addresses to WRITE FIFO and READ logic). 9 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Functional Block Diagrams Figure 5: 8 Meg x 36 Functional Block Diagram ZQ ZQ CAL Output drivers ODT control CK CK# Command decode CS# REF# WE# Control logic Vtt Refresh counter Mode register 18 Bank 7 Bank 6 Bank 5 Bank 4 Bank 3 Bank 2 Bank 1 Bank 0 13 Rowaddress MUX 13 13 Bank 0 rowaddress latch and decoder Rtt ODT control CK/CK# 8,192 Bank 0 memory array (8,192 x 32 x 4 x 36)2 DLL ZQ CAL 144 SENSE AMPLIFIERS Sense amplifiers READ n logic n 36 36 DQ latch 36 Drivers 4 QK/QK# generator 8,192 144 BA0–BA2 22 Address register Bank control logic 3 DQ0–DQ35 8 32 144 5 8 61 Columnaddress counter/ latch QVLD QK0–QK1/ QK0#–QK1# 11 I/O gating DQM mask logic 8 WRITE FIFO and drivers CLK in Column decoder DK0–DK1/ DK0#–DK1# 4 n n 36 36 Input logic A0–A181 (0 ....35) 36 RCVRS Vtt 61 Rtt 11 ODT control DM Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. Examples for BL = 2; column address will be reduced with an increase in burst length. 2. 4 = (length of burst) × 2^(number of column addresses to WRITE FIFO and READ logic). 10 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Ball Assignments and Descriptions Ball Assignments and Descriptions Table 1: 32 Meg x 9 Ball Assignments (Top View) A 1 2 3 4 VREF VSS VEXT VSS DNU4 5 6 7 8 9 10 11 12 VSS VEXT TMS TCK VDD B VDD DNU4 VSSQ VSSQ DQ0 DNU4 C VTT DNU4 DNU4 VDDQ VDDQ DQ1 DNU4 VTT D A221 DNU4 DNU4 VSSQ VSSQ QK0# QK0 VSS E A212 DNU4 DNU4 DQ2 DNU4 A20 DNU4 QVLD VDDQ VDDQ F A5 DNU4 VSSQ VSSQ DQ3 DNU4 G A8 A6 A7 VDD VDD A2 A1 A0 H B2 A9 VSS VSS VSS VSS A4 A3 J NF3 NF3 VDD VDD VDD VDD B0 CK K DK DK# VDD VDD VDD VDD B1 CK# L REF# CS# VSS VSS VSS VSS A14 A13 M WE# A16 A17 VDD VDD A12 A11 A10 A18 DNU4 DNU4 DQ4 DNU4 A19 P A15 DNU4 DNU4 VDDQ VDDQ DQ5 DNU4 DM R VSS DNU4 DNU4 VSSQ VSSQ DQ6 DNU4 VSS VTT DNU4 DNU4 DQ7 DNU4 VTT U VDD DNU4 DNU4 VSSQ VSSQ DQ8 DNU4 VDD V VREF ZQ VEXT VSS VSS VEXT TDO TDI Notes: 1. Reserved for future use. This signal is not connected. 2. Reserved for future use. This signal is internally connected and has parasitic characteristics of an address input signal. 3. No function. This signal is internally connected and has parasitic characteristics of a clock input signal. This may optionally be connected to GND. 4. Do not use. This signal is internally connected and has parasitic characteristics of a I/O. This may optionally be connected to GND. Note that if ODT is enabled on Rev. A die, these pins will be connected to VTT. The DNU pins are High-Z on Rev. B die when ODT is enabled. N T PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN VSSQ VSSQ VDDQ VDDQ 11 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Ball Assignments and Descriptions Table 2: 16 Meg x 18 Ball Assignments (Top View) A 1 2 3 4 VREF VSS VEXT VSS 5 6 7 8 9 10 11 12 VSS VEXT TMS TCK VDD B VDD DNU4 DQ4 VSSQ VSSQ DQ0 DNU4 C VTT DNU4 DQ5 VDDQ VDDQ DQ1 DNU4 VTT D A221 DNU4 DQ6 VSSQ VSSQ QK0# QK0 VSS E A212 DNU4 DQ7 VDDQ VDDQ DQ2 DNU4 A202 F A5 DNU4 DQ8 VSSQ VSSQ DQ3 DNU4 QVLD G A8 A6 A7 VDD VDD A2 A1 A0 H B2 A9 VSS VSS VSS VSS A4 A3 J NF3 NF3 VDD VDD VDD VDD B0 CK K DK DK# VDD VDD VDD VDD B1 CK# L REF# CS# VSS VSS VSS VSS A14 A13 M WE# A16 A17 VDD VDD A12 A11 A10 A18 DNU4 DQ9 DNU4 A19 P A15 DNU4 DQ15 VDDQ VDDQ DQ10 DNU4 DM R VSS QK1 QK1# VSSQ VSSQ DQ11 DNU4 VSS VTT DNU4 DQ12 DNU4 VTT U VDD DNU4 DQ17 VSSQ VSSQ DQ13 DNU4 VDD V VREF ZQ VEXT VSS VSS VEXT TDO TDI Notes: 1. Reserved for future use. This may optionally be connected to GND. 2. Reserved for future use. This signal is internally connected and has parasitic characteristics of an address input signal. This may optionally be connected to GND. 3. No function. This signal is internally connected and has parasitic characteristics of a clock input signal. This may optionally be connected to GND. 4. Do not use. This signal is internally connected and has parasitic characteristics of a I/O. This may optionally be connected to GND. Note that if ODT is enabled on Rev. A die, these pins will be connected to VTT. The DNU pins are High-Z on Rev. B die when ODT is enabled. N T PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN DQ14 DQ16 VSSQ VSSQ VDDQ VDDQ 12 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Ball Assignments and Descriptions Table 3: 8 Meg x 36 Ball Assignments (Top View) 1 2 3 4 A VREF VSS VEXT VSS 5 6 7 8 9 10 11 12 VSS VEXT TMS TCK B VDD DQ8 DQ9 VSSQ VSSQ DQ1 DQ0 VDD C VTT DQ10 DQ11 VDDQ VDDQ DQ3 DQ2 VTT D A22 DQ12 DQ13 VSSQ VSSQ QK0# QK0 VSS E A212 DQ14 DQ15 VDDQ VDDQ DQ5 DQ4 A202 F A5 DQ16 DQ17 VSSQ VSSQ DQ7 DQ6 QVLD G A8 A6 A7 VDD VDD A2 A1 A0 H B2 A9 VSS VSS VSS VSS A4 A3 J DK0 DK0# VDD VDD VDD VDD B0 CK K DK1 DK1# VDD VDD VDD VDD B1 CK# L REF# CS# VSS VSS VSS VSS A14 A13 M WE# A16 A17 VDD VDD A12 A11 A10 N A18 DQ24 DQ25 VSSQ VSSQ DQ35 DQ34 A192 P A15 DQ22 DQ23 VDDQ VDDQ DQ33 DQ32 DM R VSS QK1 QK1# VSSQ VSSQ DQ31 DQ30 VSS T VTT DQ20 DQ21 VDDQ VDDQ DQ29 DQ28 VTT U VDD DQ18 DQ19 VSSQ VSSQ DQ27 DQ26 VDD V VREF ZQ VEXT VSS VSS VEXT TDO TDI Notes: 1. Reserved for future use. This may optionally be connected to GND. 2. Reserved for future use. This signal is internally connected and has parasitic characteristics of an address input signal. This may optionally be connected to GND. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 13 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Ball Assignments and Descriptions Table 4: Ball Descriptions Symbol Type Description A0–A20 Input Address inputs: A0–A20 define the row and column addresses for READ and WRITE operations. During a MODE REGISTER SET, the address inputs define the register settings. They are sampled at the rising edge of CK. BA0–BA2 Input Bank address inputs: Select to which internal bank a command is being applied. CK, CK# Input Input clock: CK and CK# are differential input clocks. Addresses and commands are latched on the rising edge of CK. CK# is ideally 180 degrees out of phase with CK. CS# Input Chip select: CS# enables the command decoder when LOW and disables it when HIGH. When the command decoder is disabled, new commands are ignored, but internal operations continue. DK, DK# Input Input data clock: DK and DK# are the differential input data clocks. All input data is referenced to both edges of DK. DK# is ideally 180 degrees out of phase with DK. For the x36 device, DQ0– DQ17 are referenced to DK0 and DK0# and DQ18–DQ35 are referenced to DK1 and DK1#. For the x9 and x18 devices, all DQs are referenced to DK and DK#. All DKx and DKx# pins must always be supplied to the device. DM Input Input data mask: The DM signal is the input mask signal for WRITE data. Input data is masked when DM is sampled HIGH. DM is sampled on both edges of DK (DK1 for the x36 configuration). Tie signal to ground if not used. TCK Input IEEE 1149.1 clock input: This ball must be tied to VSS if the JTAG function is not used. TMS, TDI Input IEEE 1149.1 test inputs: These balls may be left as no connects if the JTAG function is not used. WE#, REF# Input Command inputs: Sampled at the positive edge of CK, WE# and REF# define (together with CS#) the command to be executed. DQ0–DQ35 I/O ZQ Data input: The DQ signals form the 36-bit data bus. During READ commands, the data is referenced to both edges of QKx. During WRITE commands, the data is sampled at both edges of DK. Reference External impedance (25–60Ω): This signal is used to tune the device outputs to the system data bus impedance. DQ output impedance is set to 0.2 × RQ, where RQ is a resistor from this signal to ground. Connecting ZQ to GND invokes the minimum impedance mode. Connecting ZQ to VDD invokes the maximum impedance mode. Refer to the Mode Register Definition in Nonmultiplexed Address Mode figure to activate this function. QKx, QKx# Output Output data clocks: QKx and QKx# are opposite polarity, output data clocks. They are free-running, and during READs, are edge-aligned with data output from the RLDRAM. QKx# is ideally 180 degrees out of phase with QKx. For the x36 device, QK0 and QK0# are aligned with DQ0– DQ17, and QK1 and QK1# are aligned with DQ18–DQ35. For the x18 device, QK0 and QK0# are aligned with DQ0–DQ8, while QK1 and QK1# are aligned with Q9–Q17. For the x9 device, all DQs are aligned with QK0 and QK0#. QVLD Output Data valid: The QVLD pin indicates valid output data. QVLD is edge-aligned with QKx and QKx#. TDO Output IEEE 1149.1 test output: JTAG output. This ball may be left as no connect if the JTAG function is not used. VDD Supply Power supply: Nominally, 1.8V. See the DC Electrical Characteristics and Operating Conditions table for range. VDDQ Supply DQ power supply: Nominally, 1.5V or 1.8V. Isolated on the device for improved noise immunity. See the DC Electrical Characteristics and Operating Conditions table for range. VEXT Supply Power supply: Nominally, 2.5V. See the DC Electrical Characteristics and Operating Conditions table for range. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 14 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Ball Assignments and Descriptions Table 4: Ball Descriptions (Continued) Symbol Type VREF Supply Input reference voltage: Nominally VDDQ/2. Provides a reference voltage for the input buffers. VSS Supply Ground. VSSQ Supply DQ ground: Isolated on the device for improved noise immunity. VTT Supply Power supply: Isolated termination supply. Nominally, VDDQ/2. See the DC Electrical Characteristics and Operating Conditions table for range. A21 – Reserved for future use: This signal is internally connected and can be treated as an address input. A22 – Reserved for future use: This signal is not connected and can be connected to ground. DNU – Do not use: These balls may be connected to ground. Note that if ODT is enabled on Rev. A die, these pins will be connected to VTT. The DNU pins are High-Z on Rev. B die when ODT is enabled. NF – No function: These balls can be connected to ground. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Description 15 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Package Dimensions Package Dimensions Figure 6: 144-Ball µBGA 10.6 CTR 10º TYP Seating plane A 0.12 A 0.73 ±0.1 144X Ø0.51 Dimensions apply to solder balls postreflow on Ø0.39 SMD ball pads. 0.49 ±0.05 12 11 10 9 Ball A1 ID 4 3 2 1 Ball A1 ID A B C D E F G H J 17 CTR K 18.1 CTR 18.5 ±0.1 L M N P R T U 1 TYP V 0.8 TYP 1.2 MAX 8.8 CTR 0.34 MIN 11 ±0.1 Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. All dimensions are in millimeters. 2. Solder Ball Material: SAC305 (96.5% Sn, 3% Ag, 0.5% Cu) or Eutectic (62% Sn, 36% Pb, 2% Ag) 16 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Package Dimensions Figure 7: 144-Ball FBGA Seating plane A 144X Ø0.55 Dimensions apply to solder balls postreflow on Ø0.40 NSMD ball pads. 0.12 A Ball A1 ID 12 11 10 9 4 3 2 Ball A1 ID 1 A B C D E F G H 18.5 ±0.1 J K 17.0 CTR L M N P R T U 1.0 TYP V 1.1 ±0.1 0.8 TYP 8.8 CTR 0.3 MIN 11 ±0.1 Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. All dimensions are in millimeters. 2. Solder ball material: SAC302 (96.8% Sn, 3% Ag, 0.2% Cu). 17 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Electrical Specifications – IDD Electrical Specifications – IDD Table 5: IDD Operating Conditions and Maximum Limits – Rev. A Notes appear after Rev. B table Description Condition Standby current Active standby current Operational current Operational current Operational current Burst refresh current Symbol -25 -33 -5 Units ISB1 (VDD) x9/x18 48 48 48 mA ISB1 (VDD) x36 48 48 48 ISB1 (VEXT) 26 26 26 CS# = 1; No commands; Bank address incremented and half address/data change once every 4 clock cycles ISB2 (VDD) x9/x18 288 233 189 ISB2 (VDD) x36 288 233 189 ISB2 (VEXT) 26 26 26 BL = 2; Sequential bank access; Bank transitions once every tRC; Half address transitions once every tRC; Read followed by write sequence; continuous data during WRITE commands IDD1 (VDD) x9/x18 348 305 255 IDD1 (VDD) x36 374 343 292 IDD1 (VEXT) 41 36 36 BL = 4; Sequential bank access; Bank transitions once every tRC; Half address transitions once every tRC; Read followed by write sequence; Continuous data during WRITE commands IDD2 (VDD) x9/x18 362 319 269 IDD2 (VDD) x36 418 389 339 IDD2 (VEXT) 48 42 42 BL = 8; Sequential bank access; Bank transitions once every tRC; half address transitions once every tRC; Read followed by write sequence; continuous data during WRITE commands IDD3 (VDD) x9/x18 408 368 286 IDD3 (VDD) x36 n/a n/a n/a IDD3 (VEXT) 55 48 48 Eight-bank cyclic refresh; Continuous address/ data; Command bus remains in refresh for all eight banks IREF1 (VDD) x9/x18 785 615 430 IREF1 (VDD) x36 785 615 430 IREF1 (VEXT) 133 111 105 IREF2 (VDD) x9/x18 325 267 221 IREF2 (VDD) x36 326 281 227 IREF2 (VEXT) 48 42 42 IDD2W (VDD) x9/x18 970 819 597 IDD2W (VDD) x36 990 914 676 IDD2W (VEXT) 100 90 69 IDD4W (VDD) x9/x18 779 609 439 IDD4W (VDD) x36 882 790 567 tCK = idle; All banks idle; No inputs toggling Distributed refresh Single-bank refresh; Sequential bank access; current Half address transitions once every tRC, continuous data Operating burst write current example BL = 2; Cyclic bank access; Half of address bits change every clock cycle; Continuous data; measurement is taken during continuous WRITE Operating burst write current example BL = 4; Cyclic bank access; Half of address bits change every 2 clock cycles; Continuous data; Measurement is taken during continuous WRITE Operating burst write current example BL = 8; Cyclic bank access; Half of address bits change every 4 clock cycles; continuous data; Measurement is taken during continuous WRITE PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 18 IDD4W (VEXT) 88 77 63 IDD8W (VDD) x9/x18 668 525 364 IDD8W (VDD) x36 n/a n/a n/a IDD8W (VEXT) 60 51 40 mA mA mA mA mA mA mA mA mA Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Electrical Specifications – IDD Table 5: IDD Operating Conditions and Maximum Limits – Rev. A (Continued) Notes appear after Rev. B table Description Condition Symbol -25 -33 -5 Units mA Operating burst read current example BL = 2; Cyclic bank access; Half of address bits change every clock cycle; Measurement is taken during continuous READ IDD2R (VDD) x9/x18 860 735 525 IDD2R (VDD) x36 880 795 565 IDD2R (VEXT) 100 90 69 Operating burst read current example BL = 4; Cyclic bank access; Half of address bits change every 2 clock cycles; Measurement is taken during continuous READ IDD4R (VDD) x9/x18 680 525 380 IDD4R (VDD) x36 730 660 455 IDD4R (VEXT) 88 77 63 Operating burst read current example BL = 8; Cyclic bank access; Half of address bits change every 4 clock cycles; Measurement is taken during continuous READ IDD8R (VDD) x9/x18 570 450 310 IDD8R (VDD) x36 n/a n/a n/a IDD8R (VEXT) 60 51 40 PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 19 mA mA Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Electrical Specifications – IDD Table 6: IDD Operating Conditions and Maximum Limits – Rev. B Notes appear below this table. Description Condition Standby current Active standby current Operational current Operational current Operational current Burst refresh current Distributed refresh current Symbol -18 -25E -25 -33 Units ISB1 (VDD) x9/x18 55 55 55 55 mA ISB1 (VDD) x36 55 55 55 55 ISB1 (VEXT) 5 5 5 5 CS# = 1; No commands; Bank address incremented and half address/data change once every 4 clock cycles ISB2 (VDD) x9/x18 250 215 215 190 ISB2 (VDD) x36 250 215 215 190 ISB2 (VEXT) 5 5 5 5 BL = 2; Sequential bank access; Bank transitions once every tRC; Half address transitions once every tRC; Read followed by write sequence; continuous data during WRITE commands IDD1 (VDD) x9/x18 310 285 260 225 IDD1 (VDD) x36 320 295 270 230 IDD1 (VEXT) 10 10 10 10 BL = 4; Sequential bank access; Bank transitions once every tRC; Half address transitions once every tRC; Read followed by write sequence; Continuous data during WRITE commands IDD2 (VDD) x9/x18 315 290 260 220 IDD2 (VDD) x36 330 305 275 230 IDD2 (VEXT) 10 10 10 10 BL = 8; Sequential bank access; Bank transitions once every tRC; half address transitions once every tRC; Read followed by write sequence; continuous data during WRITE commands IDD3 (VDD) x9/x18 330 305 275 230 IDD3 (VDD) x36 390 365 320 265 IDD3 (VEXT) 15 15 15 15 Eight-bank cyclic refresh; Continuous address/data; Command bus remains in refresh for all eight banks IREF1 (VDD) x9/x18 660 540 530 430 IREF1 (VDD) x36 670 545 535 435 IREF1 (VEXT) 45 30 30 25 Single-bank refresh; Sequential bank access; Half address transitions once every tRC, continuous data IREF2 (VDD) x9/x18 295 265 250 215 IREF2 (VDD) x36 295 265 250 215 IREF2 (VEXT) 10 10 10 10 IDD2W (VDD) x9/x18 830 655 655 530 IDD2W (VDD) x36 885 700 700 565 IDD2W (VEXT) 40 35 35 30 IDD4W (VDD) x9/x18 580 465 465 385 IDD4W (VDD) x36 635 510 510 420 tCK = idle; All banks idle; No inputs toggling Operating burst BL = 2; Cyclic bank access; Half of address write current bits change every clock cycle; Continuous example data; measurement is taken during continuous WRITE Operating burst BL = 4; Cyclic bank access; Half of address write current bits change every 2 clock cycles; Continuexample ous data; Measurement is taken during continuous WRITE Operating burst BL = 8; Cyclic bank access; Half of address write current bits change every 4 clock cycles; continuexample ous data; Measurement is taken during continuous WRITE PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN IDD4W (VEXT) 25 20 20 20 IDD8W (VDD) x9/x18 445 370 370 305 IDD8W (VDD) x36 560 455 455 375 IDD8W (VEXT) 25 20 20 20 20 mA mA mA mA mA mA mA mA mA Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Electrical Specifications – IDD Table 6: IDD Operating Conditions and Maximum Limits – Rev. B (Continued) Notes appear below this table. Description Condition Operating burst BL = 2; Cyclic bank access; Half of address read current ex- bits change every clock cycle; Measureample ment is taken during continuous READ Symbol -18 -25E -25 -33 Units IDD2R (VDD) x9/x18 805 640 640 515 mA IDD2R (VDD) x36 850 675 675 540 40 35 35 30 Operating burst BL = 4; Cyclic bank access; Half of address IDD4R (VDD) x9/x18 read current ex- bits change every 2 clock cycles; MeasureIDD4R (VDD) x36 ample ment is taken during continuous READ IDD4R (VEXT) 545 440 440 365 590 475 475 390 25 20 20 20 Operating burst BL = 8; Cyclic bank access; Half of address IDD8R (VDD) x9/x18 read current ex- bits change every 4 clock cycles; MeasureIDD8R (VDD) x36 ample ment is taken during continuous READ IDD8R (VEXT) 410 335 335 280 525 425 425 350 25 20 20 20 Notes: IDD2R (VEXT) mA mA 1. IDD specifications are tested after the device is properly initialized. +0°C ≤ Tc ≤ +95°C; +1.7V ≤ VDD ≤ +1.9V, +2.38V ≤ VEXT ≤ +2.63V, +1.4V ≤ VDDQ ≤ VDD, VREF = VDDQ/2. 2. tCK = tDK = MIN, tRC = MIN. 3. Input slew rate is specified in Table 9 (page 23). 4. Definitions for IDD conditions: LOW is defined as VIN ≤ VIL(AC) MAX. HIGH is defined as VIN ≥ VIH(AC) MIN. Stable is defined as inputs remaining at a HIGH or LOW level. Floating is defined as inputs at VREF = VDDQ/2. Continuous data is defined as half the DQ signals changing between HIGH and LOW every half clock cycle (twice per clock). • Continuous address is defined as half the address signals changing between HIGH and LOW every clock cycle (once per clock). • Sequential bank access is defined as the bank address incrementing by one every tRC. • Cyclic bank access is defined as the bank address incrementing by one for each command access. For BL = 2 this is every clock, for BL = 4 this is every other clock, and for BL = 8 this is every fourth clock. CS# is HIGH unless a READ, WRITE, AREF, or MRS command is registered. CS# never transitions more than once per clock cycle. IDD parameters are specified with ODT disabled. Tests for AC timing, IDD, and electrical AC and DC characteristics may be conducted at nominal reference/supply voltage levels, but the related specifications and device operations are tested for the full voltage range specified. IDD tests may use a VIL-to-VIH swing of up to 1.5V in the test environment, but input timing is still referenced to VREF (or to the crossing point for CK/CK#), and parameter specifications are tested for the specified AC input levels under normal use conditions. The minimum slew rate for the input signals used to test the device is 2 V/ns in the range between VIL(AC) and VIH(AC). • • • • • 5. 6. 7. 8. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 21 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Absolute Maximum Ratings Absolute Maximum Ratings Stresses greater than those listed in the Absolute Maximum Ratings table may cause permanent damage to the device. This is a stress rating only, and functional operation of the device at these or any other conditions outside those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Table 7: Absolute Maximum Ratings Parameter Min Max Units I/O voltage –0.3 VDDQ + 0.3 V Voltage on VEXT supply relative to VSS –0.3 +2.8 V Voltage on VDD supply relative to VSS –0.3 +2.1 V Voltage on VDDQ supply relative to VSS –0.3 +2.1 V AC and DC Operating Conditions Table 8: DC Electrical Characteristics and Operating Conditions Note 1 applies to entire table; unless otherwise noted: +0°C ≤ TC ≤ +95°C; +1.7V ≤ VDD ≤ +1.9V Description Conditions Symbol Min Max Supply voltage – VEXT 2.38 Units 2.63 V Notes Supply voltage – VDD 1.7 1.9 V 2 Isolated output buffer supply – VDDQ 1.4 VDD V 2, 3 Reference voltage – VREF 0.49 × VDDQ 0.51 × VDDQ V 4, 5, 6 Termination voltage – VTT 0.95 × VREF 1.05 × VREF V 7, 8 Input high (logic 1) voltage – VIH VREF + 0.1 VDDQ + 0.3 V 2 Input low (logic 0) voltage – VIL VSSQ - 0.3 VREF - 0.1 V 2 Output high current VOH = VDDQ/2 IOH (VDDQ/2)/(1.15 × RQ/5) (VDDQ/2)/(0.85 × RQ/5) A 9, 10, 11 Output low current VOL = VDDQ/2 IOL (VDDQ/2)/(1.15 × RQ/5) (VDDQ/2)/(0.85 × RQ/5) A 9, 10, 11 Clock input leakage current 0V ≤ VIN ≤ VDD ILC –5 5 µA Input leakage current 0V ≤ VIN ≤ VDD ILI –5 5 µA Output leakage current 0V ≤ VIN ≤ VDDQ ILO –5 5 µA – IREF –5 5 µA Reference voltage current Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. All voltages referenced to VSS (GND). 2. Overshoot: VIH(AC) ≤ VDD + 0.7V for t ≤ tCK/2. Undershoot: VIL(AC) ≥ –0.5V for t ≤ tCK/2. During normal operation, VDDQ must not exceed VDD. Control input signals may not have pulse widths less than tCK/2 or operate at frequencies exceeding tCK (MAX). 3. VDDQ can be set to a nominal 1.5V ±0.1V or 1.8V ±0.1V supply. 4. Typically the value of VREF is expected to be 0.5 × VDDQ of the transmitting device. VREF is expected to track variations in VDDQ. 5. Peak-to-peak AC noise on VREF must not exceed ±2% VREF(DC). 22 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AC and DC Operating Conditions 6. VREF is expected to equal VDDQ/2 of the transmitting device and to track variations in the DC level of the same. Peak-to-peak noise (non-common mode) on VREF may not exceed ±2% of the DC value. Thus, from VDDQ/2, VREF is allowed ±2% VDDQ/2 for DC error and an additional ±2% VDDQ/2 for AC noise. This measurement is to be taken at the nearest VREF bypass capacitor. 7. VTT is expected to be set equal to VREF and must track variations in the DC level of VREF. 8. On-die termination may be selected using mode register bit 9 (see Mode Register Definition in Nonmultiplexed Address Mode). A resistance RTT from each data input signal to the nearest VTT can be enabled. RTT = 125–185Ω at 95°C TC. 9. IOH and IOL are defined as absolute values and are measured at VDDQ/2. IOH flows from the device, IOL flows into the device. 10. If MRS bit A8 is 0, use RQ = 250Ω in the equation in lieu of presence of an external impedance matched resistor. 11. For VOL and VOH, refer to the device HSPICE or IBIS driver models. Table 9: Input AC Logic Levels Notes 1–3 apply to entire table; unless otherwise noted: +0°C ≤ TC ≤ +95°C; +1.7V ≤ VDD ≤ +1.9V Description Symbol Min Max Units Input high (logic 1) voltage VIH VREF + 0.2 – V Input low (logic 0) voltage VIL – VREF - 0.2 V Notes: 1. All voltages referenced to VSS (GND). 2. The AC and DC input level specifications are as defined in the HSTL standard (that is, the receiver will effectively switch as a result of the signal crossing the AC input level and will remain in that state as long as the signal does not ring back above [below] the DC input LOW [HIGH] level). 3. The minimum slew rate for the input signals used to test the device is 2 V/ns in the range between VIL(AC) and VIH(AC) (see Minimum Slew Rate figure below). Figure 8: Minimum Slew Rate VDDQ VIH(AC) MIN VSWING VIL(AC) MAX GND Rise time: 2 V/ns PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Fall time: 2 V/ns 23 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AC and DC Operating Conditions Table 10: Differential Input Clock Operating Conditions Notes 1–4 apply to entire table; unless otherwise noted: +0°C ≤ TC ≤ +95°C; +1.7V ≤ VDD ≤ +1.9V Parameter/Condition Symbol Min Max Units Notes Clock input voltage level: CK and CK# VIN(DC) –0.3 VDDQ + 0.3 V Clock input differential voltage: CK and CK# VID(DC) 0.2 VDDQ + 0.6 V 5 Clock input differential voltage: CK and CK# VID(AC) 0.4 VDDQ + 0.6 V 5 Clock input crossing point voltage: CK and CK# VIX(AC) VDDQ/2 - 0.15 VDDQ/2 + 0.15 V 6 Notes: 1. DKx and DKx# have the same requirements as CK and CK#. 2. All voltages referenced to VSS (GND). 3. The CK/CK# input reference level (for timing referenced to CK/CK#) is the point at which CK and CK# cross. The input reference level for signals other than CK/CK# is VREF. 4. CK and CK# input slew rate must be ≥2 V/ns (≥4 V/ns if measured differentially). 5. VID is the magnitude of the difference between the input level on CK and the input level on CK#. 6. The value of VIX is expected to equal VDDQ/2 of the transmitting device and must track variations in the DC level of the same. Figure 9: Clock Input VIN(DC) MAX Maximum clock level CK# X VDDQ/2 + 0.15 VIX(AC) MAX VDDQ/2 1 X VDDQ/2A - 0.15 VID(DC)2 VID(AC)3 VIX(AC) MIN CK Minimum clock level VIN(DC) MIN Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. CK and CK# must cross within this region. CK and CK# must meet at least VID(DC) MIN when static and centered around VDDQ/2. Minimum peak-to-peak swing. It is a violation to tristate CK and CK# after the part is initialized. 24 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Input Slew Rate Derating Input Slew Rate Derating Note: The following description also pertains to data setup and hold derating when CK/CK# are replaced with DK/DK#. The Address and Command Setup and Hold Derating Values table and the Data Setup and Hold Derating Values table below define the address, command, and data setup and hold derating values. These values are added to the default tAS/tCS/tDS and tAH/tCH/tDH specifications when the slew rate of any of these input signals is less than the 2 V/ns the nominal setup and hold specifications are based upon. To determine the setup and hold time needed for a given slew rate, add the tAS/tCS default specification to the “tAS/tCS V REF to CK/CK# Crossing” and the tAH/tCH default specification to the “tAH/tCH CK/CK# Crossing to V REF” derated values on the Address and Command Setup and Hold Derating Values table. The derated data setup and hold values can be determined in a like manner using the “tDS V REF to CK/CK# Crossing” and “tDH to CK/CK# Crossing to V REF” values on the Data Setup and Hold Derating Values table. The derating values on the Address and Command Setup and Hold Derating Values table and the Data Setup and Hold Derating Values table apply to all speed grades. The setup times on the Address and Command Setup and Hold Derating Values table and the Data Setup and Hold Derating Values table represent a rising signal. In this case, the time from which the rising signal crosses V IH(AC) MIN to the CK/CK# cross point is static and must be maintained across all slew rates. The derated setup timing represents the point at which the rising signal crosses V REF(DC) to the CK/CK# cross point. This derated value is calculated by determining the time needed to maintain the given slew rate and the delta between V IH(AC) MIN and the CK/CK# cross point. The setup values in the Address and Command Setup and Hold Derating Values table and the Data Setup and Hold Derating Values table are also valid for falling signals (with respect to V IL(AC) MAX and the CK/CK# cross point). The hold times in the Address and Command Setup and Hold Derating Values table and the Data Setup and Hold Derating Values table represent falling signals. In this case, the time from the CK/CK# cross point to when the signal crosses V IH(DC) MIN is static and must be maintained across all slew rates. The derated hold timing represents the delta between the CK/CK# cross point to when the falling signal crosses V REF(DC). This derated value is calculated by determining the time needed to maintain the given slew rate and the delta between the CK/CK# cross point and V IH(DC). The hold values in the Address and Command Setup and Hold Derating Values table and the Data Setup and Hold Derating Values table are also valid for rising signals (with respect to V IL(DC) MAX and the CK and CK# cross point). Table 11: Address and Command Setup and Hold Derating Values tAH/tCH Command/Address Slew Rate (V/ns) tAS/tCS VREF to CK/CK# Crossing tAS/tCS tAH/tCH VIH(AC) MIN to CK/CK# Crossing CK/CK# Crossing to VREF CK/CK# Crossing to VIH(DC) MIN Units CK, CK# Differential Slew Rate: 2.0 V/ns 2.0 0 –100 0 –50 ps 1.9 5 –100 3 –50 ps 1.8 11 –100 6 –50 ps PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 25 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Input Slew Rate Derating Table 11: Address and Command Setup and Hold Derating Values (Continued) tAH/tCH tAS/tCS tAS/tCS tAH/tCH CK/CK# Crossing to VIH(DC) MIN Command/Address Slew Rate (V/ns) VREF to CK/CK# Crossing VIH(AC) MIN to CK/CK# Crossing CK/CK# Crossing to VREF 1.7 18 –100 9 –50 ps 1.6 25 –100 13 –50 ps 1.5 33 –100 17 –50 ps 1.4 43 –100 22 –50 ps 1.3 54 –100 27 –50 ps 1.2 67 –100 34 –50 ps 1.1 82 –100 41 –50 ps 1.0 100 –100 50 –50 ps Units CK, CK# Differential Slew Rate: 1.5 V/ns 2.0 30 –70 30 –20 ps 1.9 35 –70 33 –20 ps 1.8 41 –70 36 –20 ps 1.7 48 –70 39 –20 ps 1.6 55 –70 43 –20 ps 1.5 63 –70 47 –20 ps 1.4 73 –70 52 –20 ps 1.3 84 –70 57 –20 ps 1.2 97 –70 64 –20 ps 1.1 112 –70 71 –20 ps 1.0 130 –70 80 –20 ps CK, CK# Differential Slew Rate: 1.0 V/ns 2.0 60 –40 60 10 ps 1.9 65 –40 63 10 ps 1.8 71 –40 66 10 ps 1.7 78 –40 69 10 ps 1.6 85 –40 73 10 ps 1.5 93 –40 77 10 ps 1.4 103 –40 82 10 ps 1.3 114 –40 87 10 ps 1.2 127 –40 94 10 ps 1.1 142 –40 101 10 ps 1.0 160 –40 110 10 ps PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 26 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Input Slew Rate Derating Table 12: Data Setup and Hold Derating Values Data Slew Rate (V/ns) tDS VREF to CK/CK# Crossing tDS VIH(AC) MIN to CK/CK# Crossing tDH CK/CK# Crossing to VREF tDH CK/CK# Crossing to VIH(DC) MIN Units DK, DK# Differential Slew Rate: 2.0 V/ns 2.0 0 –100 0 –50 ps 1.9 5 –100 3 –50 ps 1.8 11 –100 6 –50 ps 1.7 18 –100 9 –50 ps 1.6 25 –100 13 –50 ps 1.5 33 –100 17 –50 ps 1.4 43 –100 22 –50 ps 1.3 54 –100 27 –50 ps 1.2 67 –100 34 –50 ps 1.1 82 –100 41 –50 ps 1.0 100 –100 50 –50 ps DK, DK# Differential Slew Rate: 1.5 V/ns 2.0 30 –70 30 –20 ps 1.9 35 –70 33 –20 ps 1.8 41 –70 36 –20 ps 1.7 48 –70 39 –20 ps 1.6 55 –70 43 –20 ps 1.5 63 –70 47 –20 ps 1.4 73 –70 52 –20 ps 1.3 84 –70 57 –20 ps 1.2 97 –70 64 –20 ps 1.1 112 –70 71 –20 ps 1.0 130 –70 80 –20 ps DK, DK# Differential Slew Rate: 1.0 V/ns 2.0 60 –40 60 10 ps 1.9 65 –40 63 10 ps 1.8 71 –40 66 10 ps 1.7 78 –40 69 10 ps 1.6 85 –40 73 10 ps 1.5 93 –40 77 10 ps 1.4 103 –40 82 10 ps 1.3 114 –40 87 10 ps 1.2 127 –40 94 10 ps 1.1 142 –40 101 10 ps 1.0 160 –40 110 10 ps PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 27 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Input Slew Rate Derating Figure 10: Nominal tAS/tCS/tDS and tAH/tCH/tDH Slew Rate VIH(AC) MIN VREF to DC VREF to DC region region VSWING (MAX) VREF to AC region VREF to AC region VDDQ VIH(DC) MIN VREF(DC) VIL(DC) MAX VIL(AC) MAX VSSQ Capacitance Table 13: Capacitance – µBGA Notes 1–2 apply to entire table Description Symbol Min Max Units 1.0 2.0 pF 3.0 4.5 pF CCK 1.5 2.5 pF CJTAG 1.5 4.5 pF Min Max Units Address/control input capacitance CI Input/output capacitance (DQ, DM, and QK/QK#) CO Clock capacitance (CK/CK#, and DK/DK#) JTAG pins Notes: Conditions TA = 25°C; f = 100 MHz VDD = VDDQ = 1.8V 1. Capacitance is not tested on ZQ pin. 2. JTAG pins are tested at 50 MHz. Table 14: Capacitance – FBGA Notes 1–2 apply to entire table Description Symbol Address/control input capacitance CI Input/output capacitance (DQ, DM, and QK/QK#) CO Clock capacitance (CK/CK#, and DK/DK#) JTAG pins Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Conditions TA = 25°C; f = 100 MHz VDD = VDDQ = 1.8V 1.5 2.5 pF 3.5 5.0 pF CCK 2.0 3.0 pF CJTAG 2.0 5.0 pF 1. Capacitance is not tested on ZQ pin. 2. JTAG pins are tested at 50 MHz. 28 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AC Electrical Characteristics AC Electrical Characteristics Table 15: AC Electrical Characteristics Notes 1–4 apply to the entire table -18 Description -25E -25 -33 -5 Symbol Min Max Min Max Min Max Min Max Min Input clock cycle time tCK 1.875 5.7 2.5 5.7 2.5 5.7 3.3 5.7 5.0 Input data clock cycle time tDK Clock jitter: period tJITper Clock jitter: cycle-to-cycle tJITcc Clock HIGH time tCKH, tDKH 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 Clock LOW time tCKL, 0.45 0.55 0.45 0.55 0.45 0.55 0.45 Clock to input data clock tCKDK –0.3 0.3 –0.45 0.5 –0.3 0.5 Mode register set cycle time to any command tMRSC 6 – 6 – 6 Address/ command and input setup time tAS/tCS 0.3 – 0.4 – Data-in and data mask to DK setup time tDS 0.17 – 0.25 tAH/tCH 0.3 – 0.4 Max Units Notes Clock tCK –100 100 tCK –150 200 tCK 150 –150 tCK –200 tCK –250 ns ps 500 ps 0.45 0.55 tCK 0.55 0.45 0.55 tCK –0.3 1.0 –0.3 1.5 ns – 6 – 6 – tCK 0.4 – 0.5 – 0.8 – ns – 0.25 – 0.3 – 0.4 – ns – 0.4 – 0.5 – 0.8 – ns 300 200 ns 250 300 150 5.7 400 5, 6 tDKL Setup Times Hold Times Address/ command and input hold time PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 29 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AC Electrical Characteristics Table 15: AC Electrical Characteristics (Continued) Notes 1–4 apply to the entire table -18 Description Data-in and data mask to DK hold time -25E -25 -33 -5 Symbol Min Max Min Max Min Max Min Max Min tDH Max Units Notes 0.17 – 0.25 – 0.25 – 0.3 – 0.4 – ns Data and Data Strobe Output data clock HIGH time tQKH 0.9 1.1 0.9 1.1 0.9 1.1 0.9 1.1 0.9 1.1 tCKH Output data clock LOW time tQKL 0.9 1.1 0.9 1.1 0.9 1.1 0.9 1.1 0.9 1.1 tCKL Half-clock period tQHP MIN (tQKH, tQKL) – MIN (tQKH, tQKL) – MIN (tQKH, tQKL) – MIN (tQKH, tQKL) – QK edge to clock edge skew tCKQK –0.2 0.2 –0.25 0.25 –0.25 0.25 –0.3 0.3 –0.5 0.5 ns QK edge to output data edge tQKQ0, –0.12 0.12 –0.2 0.2 –0.2 0.2 –0.25 0.25 –0.3 0.3 ns 7 tQKQ –0.22 0.22 –0.3 0.3 –0.3 0.3 –0.35 0.35 –0.4 0.4 ns 8 tQKVLD –0.22 0.22 –0.3 0.3 –0.3 0.3 –0.35 0.35 –0.4 0.4 ns QK edge to any output data edge QK edge to QVLD Data valid window MIN – (tQKH, tQKL) tQKQ1 tDVW tQHP - – tQHP - – tQHP - – tQHP - (tQKQx (tQKQx (tQKQx (tQKQx [MAX] +| tQKQx [MIN]|) [MAX] +| tQKQx [MIN]|) [MAX] +| tQKQx [MIN]|) [MAX] +| tQKQx [MIN]|) tQHP – (tQKQx [MAX] +| tQKQx [MIN]|) – 0.49 – 0.49 Refresh Average periodic refresh interval tREFI – Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 0.49 – 0.49 – 0.49 – µs 9 1. All timing parameters shown here are measured relative to the crossing point of CK/ CK#, DK/DK# and to the crossing point with VREF of the command, address, and data signals. In addition, outputs are measured with equivalent load as shown here. 2. Outputs measured with equivalent load: 30 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AC Electrical Characteristics Figure 11: AC Outputs – Equivalent Load VTT 50Ω DQ Test point 10pF 3. Tests for AC timing, IDD, and electrical AC and DC characteristics may be conducted at nominal reference/supply voltage levels, but the related specifications and device operations are tested for the full voltage range specified. 4. AC timing may use a VIL-to-VIH swing of up to 1.5V in the test environment, but input timing is still referenced to VREF (or to the crossing point for CK/CK#), and parameter specifications are tested for the specified AC input levels under normal use conditions. The minimum slew rate for the input signals used to test the device is 2 V/ns in the range between VIL(AC) and VIH(AC). 5. Clock phase jitter is the variance from clock rising edge to the next expected clock rising edge. 6. Frequency drift is not allowed. 7. tQKQ0 is referenced to DQ0–DQ17 for the x36 configuration and DQ0–DQ8 for the x18 configuration. tQKQ1 is referenced to DQ18–DQ35 for the x36 configuration and DQ9– DQ17 for the x18 configuration. 8. tQKQ takes into account the skew between any QKx and any DQ. 9. To improve efficiency, eight AREF commands (one for each bank) can be posted to the device on consecutive cycles at periodic intervals of 3.90µs. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 31 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Temperature and Thermal Impedance Temperature and Thermal Impedance It is imperative that the temperature specifications shown in the Temperature Limits table are maintained to ensure that the junction temperature is in the proper operating range to meet data sheet specifications. An important step in maintaining the proper junction temperature is using the device’s thermal impedances correctly. The thermal impedances are listed for the available packages. Using thermal impedances incorrectly can produce significant errors. Read Micron's TN-00-08: Thermal Applications technical note prior to using the thermal impedances listed in the Temperature Limits table. For designs that are expected to last several years and require the flexibility to use several DRAM die shrinks, consider using final target theta values (rather than existing values) to account for increased thermal impedances from the die size reduction. The safe junction temperature range can be maintained when the T C specification is not exceeded. In applications where the device’s ambient temperature is too high, the use of forced air and/or heat sinks may be required in order to satisfy the case temperature specifications. Table 16: Temperature Limits Parameter Storage temperature Reliability junction temperature Commercial Symbol Min Max Units Notes TSTG –55 +150 °C 1 TJ – +110 °C 2 – +110 °C 2 Industrial Operating junction temperature Commercial TJ Industrial Operating case temperature Commercial TC Industrial Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 0 +100 °C 3 –40 +100 °C 3 0 +95 °C 4, 5 –40 +95 °C 4, 5, 6 1. Max storage case temperature, TSTG , is measured in the center of the package, as shown in the Example Temperature Test Point Location figure. This case temperature limit can be exceeded briefly during package reflow, as noted in Micron's TN-00-15: Recommended Soldering Parameters technical note. 2. Temperatures greater than 110°C may cause permanent damage to the device. This is a stress rating only and functional operation of the device at or above this is not implied. Exposure to absolute maximum rating conditions for extended periods may affect the reliability of the part. 3. Junction temperature depends upon package type, cycle time, loading, ambient temperature, and airflow. 4. MAX operating case temperature; TC is measured in the center of the package, as shown in the Example Temperature Test Point Location figure. 5. Device functionality is not guaranteed if the device exceeds maximum TC during operation. 6. Both temperature specifications must be satisfied. 32 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Temperature and Thermal Impedance Table 17: Thermal Impedance Package Substrate θ JA (°C/W) Airflow = 0m/s θ JA (°C/W) Airflow = 1m/s θ JA (°C/W) Airflow = 2m/s θ JB (°C/W) Rev. A die 2-layer 41.2 29.1 25.3 14.3 4-layer 28.2 21.9 19.9 13.6 Note: θ JC (°C/W) 2.27 1. Thermal impedance data is based on a number of samples from multiple lots and should be viewed as a typical number. Table 18: Thermal Impedance Die Rev. Package µFBGA Rev. B FBGA Θ JA (°C/W) Airflow = 0m/s Θ JA (°C/W) Airflow = 1m/s Θ JA (°C/W) Airflow = 2m/s Θ JB (°C/W) Θ JC (°C/W) Low conductivity 53.7 42.0 37.7 N/A 3.9 High conductivity 34.1 28.9 27.1 21.9 N/A Low conductivity 45.3 34.1 30.2 N/A 3.1 High conductivity 28.2 23.2 21.5 17.3 N/A Substrate Note: 1. Thermal resistance data is based on a number of samples from multiple lots and should be viewed as a typical number. Figure 12: Example Temperature Test Point Location Test point 18.50 9.25 5.50 11.00 PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 33 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Commands Commands All input states or sequences not shown are illegal or reserved. All command and address inputs must meet setup and hold times around the rising edge of CK. Table 19: Description of Commands Command Description DSEL/NOP The NOP command is used to perform a no operation to the device, which essentially deselects the chip. Use the NOP command to prevent unwanted commands from being registered during idle or wait states. Operations already in progress are not affected. Output values depend on command history. MRS The mode register is set via the address inputs A0–A17. See the Mode Register Definition in Nonmultiplexed Address Mode figure for further information. The MRS command can only be issued when all banks are idle and no other operation is in progress. READ The READ command is used to initiate a burst read access to a bank. The value on the BA0–BA2 inputs selects the bank, and the address provided on inputs A0–An selects the data location within the bank. 2 WRITE The WRITE command is used to initiate a burst write access to a bank. The value on the BA0– BA2 inputs selects the bank, and the address provided on inputs A0–An selects the data location within the bank. Input data appearing on the DQ is written to the memory array subject to the DM input logic level appearing coincident with the data. If the DM signal is registered LOW, the corresponding data will be written to memory. If the DM signal is registered HIGH, the corresponding data inputs will be ignored (that is, this part of the data word will not be written). 2 AUTO REFRESH (AREF) The AREF command is used during normal device operation to refresh the memory content of a bank. The command is nonpersistent, so it must be issued each time a refresh is required. The value on the BA0–BA2 inputs selects the bank. The refresh address is generated by an internal refresh controller, effectively making each address bit a “Don’t Care” during the AREF command. See the AUTO REFRESH (AREF) section for more details. Notes: Notes 1 1. When the chip is deselected, internal NOP commands are generated and no commands are accepted. 2. n = 20. Table 20: Command Table Code CS# WE# REF# A0–An2 BA0–BA2 DSEL/NOP H X X X X MRS MRS L L L OPCODE X 3 READ READ L H H A BA 4 WRITE WRITE L L H A BA 4 AREF L H L X BA Operation DEVICE DESELECT/NO OPERATION AUTO REFRESH Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Notes 1. Applies to entire table: X = “Don’t Care;” H = logic HIGH; L = logic LOW; A = valid address; BA = valid bank address; n = 20. 2. Only A0–A17 are used for the MRS command. 3. Address width varies with burst length; see the Address Widths at Different Burst Lengths table. 34 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 MODE REGISTER SET (MRS) Command MODE REGISTER SET (MRS) Command The mode register set stores the data for controlling the operating modes of the memory. It programs the configuration, burst length, test mode, and I/O options. During an MRS command, the address inputs A0–A17 are sampled and stored in the mode register. After issuing a valid MRS command, tMRSC must be met before any command can be issued to the device. This statement does not apply to the consecutive MRS commands needed for internal logic reset during the initialization routine. The MRS command can only be issued when all banks are idle and no other operation is in progress. Note: The data written by the prior burst length is not guaranteed to be accurate when the burst length of the device is changed. Figure 13: Mode Register Set CK# CK CS# WE# REF# ADDRESS OPCODE BANK ADDRESS Don’t Care PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 35 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 MODE REGISTER SET (MRS) Command Figure 14: Mode Register Definition in Nonmultiplexed Address Mode A17 ... A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 17–10 9 8 7 6 5 Reserved1 ODT IM DLL NA2 AM 4 3 BL 1 On M7 0 Drive Impedance Internal 50Ω5 (default) 0 DLL Reset DLL reset4 (default) 1 External (ZQ) 1 DLL enabled M8 Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN Off (default) 1. 2. 3. 4. 5. 2 1 0 Config Mode Register (Mx) M2 M1 M0 Configuration 0 0 0 13 (default) M9 On-Die Termination 0 Address Bus 0 0 1 13 0 1 0 2 0 1 1 3 1 0 0 43 1 0 1 5 1 1 0 Reserved 1 1 1 Reserved M4 M3 Burst Length M5 Address MUX 0 Nonmultiplexed (default) 0 0 2 (default) 1 Multiplexed 0 1 4 1 0 8 1 1 Reserved A10–A17 must be set to zero; A18–An = “Don’t Care.” A6 not used in MRS. BL = 8 is not available. DLL RESET turns the DLL off. ±30% temperature variation. 36 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 MODE REGISTER SET (MRS) Command Configuration Tables The table here shows the different configurations that can be programmed into the mode register. The WRITE latency is equal to the READ latency plus one in each configuration in order to maximize data bus utilization. Bits M0, M1, and M2 are used to select the configuration during the MRS command. Table 21: Cycle Time and READ/WRITE Latency Configuration Table Note 1 applies to entire table Configuration 12 2 3 42, 3 5 Units tRC 4 6 8 3 5 tCK tRL 4 6 8 3 5 tCK tWL 5 7 9 4 6 tCK 266–175 400–175 533–175 200–175 333–175 MHz Parameter Valid frequency range Notes: 1. tRC < 20ns in any configuration only available with -25E and -18 speed grades. 2. BL = 8 is not available. 3. The minimum tRC is typically 3 cycles, except in the case of a WRITE followed by a READ to the same bank. In this instance the minimum tRC is 4 cycles. Burst Length (BL) Burst length is defined by mode register bits M3 and M4. Device read and write accesses are burst-oriented, with burst length programmable to 2, 4, or 8. Shown here are the different burst lengths with respect to a READ command. Changes to burst length affect the width of the address bus (see the Address Widths at Different Burst Lengths table). Note: When the device burst length is changed, data written by a prior burst length is not guaranteed as accurate. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 37 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 MODE REGISTER SET (MRS) Command Figure 15: Read Burst Lengths CK# T0 T1 T2 T3 T4 T4n READ NOP NOP NOP NOP T5 T5n T6 T6n T7 T7n CK COMMAND NOP NOP NOP NOP Bank a, Col n ADDRESS RL = 4 QK# BL = 2 QK QVLD DO an DQ QK# BL = 4 QK QVLD DO an DQ QK# BL = 8 QK QVLD DO an DQ TRANSITIONING DATA Notes: DON’T CARE 1. DO an = data-out from bank a and address an. 2. Subsequent elements of data-out appear after DO n. 3. Shown with nominal tCKQK. Table 22: Address Widths at Different Burst Lengths Burst Length x9 x18 x36 2 A0–A20 A0–A19 A0–A18 4 A0–A19 A0–A18 A0–A17 8 A0–A18 A0–A17 A0–A161 Note: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. Only available on Rev B die. 38 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 MODE REGISTER SET (MRS) Command Address Multiplexing The multiplexed address option is available by setting mode register bit M5 to 1. Once this bit is set, the READ, WRITE, and MRS commands follow the format described in the Command Description in Multiplexed Address Mode figure. Further information on operation with multiplexed addresses can be seen in the Multiplexed Address Mode section. Although the device has the ability to operate with an SRAM interface by accepting the entire address in one clock, an option in the mode register can be set so that it functions with multiplexed addresses, similar to a traditional DRAM. In multiplexed address mode, the address can be provided to the device in two parts that are latched into the memory with two consecutive rising clock edges. This provides the advantage of only needing a maximum of 11 address balls to control the device, reducing the number of signals on the controller side. The data bus efficiency in continuous burst mode is only affected when using the BL = 2 setting because the device requires two clocks to read and write the data. The bank addresses are delivered to the device at the same time as the WRITE and READ command and the first address part, Ax. The Address Mapping in Multiplexed Address Mode table shows the addresses needed for both the first and second rising clock edges (Ax and Ay, respectively). The AREF command does not require an address on the second rising clock edge, as only the bank address is needed during this command. Because of this, AREF commands may be issued on consecutive clocks. DLL RESET DLL reset is selected with bit M7 of the mode register. The default setting for this option is LOW, whereby the DLL is disabled. Once M7 is set HIGH, 1024 cycles (5µs at 200 MHz) are needed before a READ command can be issued. This time enables the internal clock to be synchronized with the external clock. Failing to wait for synchronization to occur may result in a violation of the tCKQK parameter. A reset of the DLL is necessary if tCK or V DD is changed after the DLL has already been enabled. To reset the DLL, an MRS command must be issued where M7 is set LOW. After waiting tMRSC, a subsequent MRS command should be issued whereby M7 goes HIGH. 1024 clock cycles are then needed before a READ command is issued. Drive Impedance Matching The device is equipped with programmable impedance output buffers. This option is selected by setting bit M8 HIGH during the MRS command. The purpose of the programmable impedance output buffers is to enable the user to match the driver impedance to the system. To adjust the impedance, an external precision resistor (RQ) is connected between the ZQ ball and V SS. The value of the resistor must be five times the desired impedance. For example, a 300Ω resistor is required for an output impedance of 60Ω. The range of RQ is 125–300Ω, which guarantees output impedance in the range of 25–60Ω (within 15%). PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 39 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 MODE REGISTER SET (MRS) Command Output impedance updates may be required because over time variations may occur in supply voltage and temperature. When the external drive impedance is enabled in the MRS, the device will periodically sample the value of RQ. An impedance update is transparent to the system and does not affect device operation. All data sheet timing and current specifications are met during an update. When bit M8 is set LOW during the MRS command, the device provides an internal impedance at the output buffer of 50Ω (±30% with temperature variation). This impedance is also periodically sampled and adjusted to compensate for variation in supply voltage and temperature. On-Die Termination (ODT) ODT is enabled by setting M9 to a value of 1 during an MRS command. With ODT on, the DQ and DM are terminated to V TT with a resistance RTT. The command, address, QVLD, and clock signals are not terminated. The ODT function is dynamically switched off when DQ begins to drive after a READ command is issued. Similarly, ODT is designed to switch on at DQ after the device has issued the last piece of data. The DM pin will always be terminated. Table 23: On-Die Termination DC Parameters Description Symbol Min Max Units Notes Termination voltage VTT 0.95 × VREF 1.05 × VREF V 1, 2 On-die termination RTT 125 185 Ω 3 Notes: 1. All voltages referenced to VSS (GND). 2. VTT is expected to be set equal to VREF and must track variations in the DC level of VREF. 3. The RTT value is measured at 95°C TC. Figure 16: On-Die Termination-Equivalent Circuit VTT SW RTT Receiver DQ PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 40 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Command READ Command Read accesses are initiated with a READ command, as shown in the figure below. Addresses are provided with the READ command. During READ bursts, the memory device drives the read data so it is edge-aligned with the QKx signals. After a programmable READ latency, data is available at the outputs. One half clock cycle prior to valid data on the read bus, the data valid signal, QVLD, transitions from LOW to HIGH. QVLD is also edge-aligned with the QKx signals. The skew between QK and the crossing point of CK is specified as tCKQK. tQKQ0 is the skew between QK0 and the last valid data edge generated at the DQ signals associated with QK0 (tQKQ0 is referenced to DQ0–DQ17 for the x36 configuration and DQ0–DQ8 for the x18 configuration). tQKQ1 is the skew between QK1 and the last valid data edge generated at the DQ signals associated with QK1 (tQKQ1 is referenced to DQ18–DQ35 for the x36 and DQ9–DQ17 for the x18 configuration). tQKQx is derived at each QKx clock edge and is not cumulative over time. tQKQ is defined as the skew between either QK differential pair and any output data edge. After completion of a burst, assuming no other commands have been initiated, output data (DQ) will go High-Z. The QVLD signal transitions LOW on the last bit of the READ burst. Note that if CK/CK# violates the V id(DC) specification while a READ burst is occurring, QVLD will remain HIGH until a dummy READ command is issued. The QK clocks are free-running and will continue to cycle after the READ burst is complete. Back-toback READ commands are possible, producing a continuous flow of output data. The data valid window is derived from each QK transition and is defined as: tQHP - (tQKQ [MAX] + |tQKQ [MIN]|). See the Read Data Valid Window for x9 Device figure, the Read Data Valid Window for x18 Device figure, and the Read Data Valid Window for x36 Device figure for illustration. Any READ burst may be followed by a subsequent WRITE command. The READ-toWRITE figure illustrates the timing requirements for a READ followed by a WRITE. Some systems having long line lengths or severe skews may need additional idle cycles inserted between READ and WRITE commands to prevent data bus contention. Figure 17: READ Command CK# CK CS# WE# REF# ADDRESS A BANK ADDRESS BA DON’T CARE PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 41 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 WRITE Command WRITE Command Write accesses are initiated with a WRITE command, as shown in the figure below. The address needs to be provided during the WRITE command. During WRITE commands, data will be registered at both edges of DK according to the programmed burst length (BL). The device operates with a WRITE latency (WL) that is one cycle longer than the programmed READ latency (RL + 1), with the first valid data registered at the first rising DK edge WL cycles after the WRITE command. Any WRITE burst may be followed by a subsequent READ command (assuming tRC is met). To avoid external data bus contention, at least one NOP command is needed between the WRITE and READ commands. The WRITE-to-READ figure and the WRITE-toREAD (Separated by Two NOPs) figure illustrate the timing requirements for a WRITE followed by a READ where one and two intermediary NOPs are required, respectively. Setup and hold times for incoming DQ relative to the DK edges are specified as tDS and tDH. The input data is masked if the corresponding DM signal is HIGH. The setup and hold times for the DM signal are also tDS and tDH. Figure 18: WRITE Command CK# CK CS# WE# REF# ADDRESS A BANK ADDRESS BA DON’T CARE PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 42 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AUTO REFRESH (AREF) Command AUTO REFRESH (AREF) Command AREF is used to perform a REFRESH cycle on one row in a specific bank. Because the row addresses are generated by an internal refresh counter for each bank, the external address balls are “Don’t Care.” The bank addresses must be provided during the AREF command. The bank address is needed during the AREF command so refreshing of the part can effectively be hidden behind commands to other banks. The delay between the AREF command and a subsequent command to the same bank must be at least tRC. Within a period of 32ms (tREF), the entire device must be refreshed. The 288Mb device requires 64K cycles at an average periodic interval of 0.49µs MAX (actual periodic refresh interval is 32ms/8K rows/8 banks = 0.488µs). To improve efficiency, eight AREF commands (one for each bank) can be posted to the device at periodic intervals of 3.9µs (32ms/8K rows = 3.90µs). Figure 19: AUTO REFRESH Command CK# CK CS# WE# REF# ADDRESS BANK ADDRESS BA DON’T CARE PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 43 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 INITIALIZATION Operation INITIALIZATION Operation The device must be powered up and initialized in a predefined manner. Operational procedures other than those specified may result in undefined operations or permanent damage to the device. The following sequence is used for power-up: 1. Apply power (VEXT, V DD, V DDQ, V REF, V TT) and start clock as soon as the supply voltages are stable. Apply V DD and V EXT before or at the same time as V DDQ.1 Apply VDDQ before or at the same time as V REF and V TT. Although there is no timing relation between V EXT and V DD, the chip starts the power-up sequence only after both voltages approach their nominal levels. CK/CK# must meet V ID(DC) prior to being applied.2 Apply NOP conditions to command pins. Ensuring CK/CK# meet V ID(DC) while applying NOP conditions to the command pins guarantees that the device will not receive unwanted commands during initialization. 2. Maintain stable conditions for 200µs (MIN). 3. Issue at least three consecutive MRS commands: two dummies or more plus one valid MRS. The purpose of these consecutive MRS commands is to internally reset the logic of the device. Note that tMRSC does not need to be met between these consecutive commands. It is recommended that all address pins are held LOW during the dummy MRS commands. 4. tMRSC after the valid MRS, an AUTO REFRESH command to all 8 banks (along with 1024 NOP commands) must be issued prior to normal operation. The sequence of the eight AUTO REFRESH commands (with respect to the 1024 NOP commands) does not matter. As is required for any operation, tRC must be met between an AUTO REFRESH command and a subsequent VALID command to the same bank. Note that previous versions of the data sheet required each of these AUTO REFRESH commands be separated by 2048 NOP commands. This properly initializes the device but is no longer required. Notes: 1. It is possible to apply V DDQ before V DD; when doing so, however, DQ, DM, and all other pins with an output driver will go HIGH instead of tri-stating. These pins will remain HIGH until V DD is at the same level as V DDQ. Care should be taken to avoid bus conflicts during this period. 2. If V ID(DC) on CK/CK# cannot be met prior to being applied to the device, placing a large external resistor from CS# to V DD is a viable option for ensuring the command bus does not receive unwanted commands during this unspecified state. PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 44 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 INITIALIZATION Operation Figure 20: Power-Up/Initialization Sequence Vext Vdd Vdd Q Vref Vtt T0 T1 tCK CK tCKH tCKL tDK DK# DK tDKH COMMAND NOP T3 T2 CK# tDKL NOP NOP T4 T6 T5 T8 T7 T9 (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) NOP MRS MRS (( )) (( )) MRS REF (( )) (( )) REF (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) VALID (( )) (( )) VALID DM (( )) (( )) ADDRESS (( )) (( )) BANK ADDRESS (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) DQ Rtt High-Z 1,2 CODE T = 200µs (MIN) PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 2 CODE tMRSC Power-up: Vdd and stable clock (CK, CK#) Notes: 1,2 CODE VALID Bank 0 (( )) (( )) Refresh all banks5 Bank 7 1,024 NOP commands Indicates a break in time scale DON’T CARE 1. 2. 3. 4. Recommend all address pins held LOW during dummy MRS commands. A10–A17 must be LOW. DLL must be reset if tCK or VDD are changed. CK and CK# must be separated at all times to prevent bogus commands from being issued. 5. The sequence of the eight AUTO REFRESH commands (with respect to the 1024 NOP commands) does not matter. As is required for any operation, tRC must be met between an AUTO REFRESH command and a subsequent valid command to the same bank. 45 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 INITIALIZATION Operation Figure 21: Power-Up/Initialization Flow Chart Step Note: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1 VDD, and VEXT ramp 2 VDDQ ramp 3 Apply VREF and VTT 4 Apply stable CK/CK# and DK/DK# 5 Wait at least 200µs 6 Issue MRS command—A[17:10] must be low 7 Issue MRS command—A[17:10] must be low 8 Desired load mode register with A[17:10] low 9 Assert NOP for tMRSC 10 Issue AUTO REFRESH to bank 0 11 Issue AUTO REFRESH to bank 1 12 Issue AUTO REFRESH to bank 2 13 Issue AUTO REFRESH to bank 3 14 Issue AUTO REFRESH to bank 4 15 Issue AUTO REFRESH to bank 5 16 Issue AUTO REFRESH to bank 6 17 Issue AUTO REFRESH to bank 7 18 Wait 1024 NOP commands1 19 Valid command Voltage rails can be applied simultaneously MRS commands must be on consecutive clock cycles 1. The sequence of the eight AUTO REFRESH commands (with respect to the 1024 NOP commands) does not matter. As is required for any operation, tRC must be met between an AUTO REFRESH command and a subsequent valid command to the same bank. 46 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Operations READ Operations Figure 22: Basic READ Burst Timing CK# T1 T0 T2 T3 T4 T5 NOP NOP T5n T6 T6n T7 CK tCK COMMAND READ NOP tCH tCL NOP READ Bank a Add n ADDRESS NOP NOP Bank a Add n RL = 4 tRC = 4 DM t CKQK (MIN) tCKQK (MIN) QK# QK tQK tQKH tQKVLD tQKL tQKVLD QVLD DO an DQ t CKQK (MAX) tCKQK (MAX) QK# QK tQK tQKH tQKL QVLD DO an DQ TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. DON’T CARE DO an = data-out from bank a and address an. Three subsequent elements of the burst are applied following DO an. BL = 4. Nominal conditions are assumed for specifications not defined. 47 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Operations Figure 23: Consecutive READ Bursts (BL = 2) T5n T6n T0 T1 T2 T3 T4 COMMAND READ READ READ READ READ READ READ ADDRESS Bank a Add n Bank b Add n Bank c Add n Bank d Add n Bank e Add n Bank f Add n Bank g Add n CK# T4n T5 T6 CK RL = 4 QVLD QK# QK DO an DQ DO bn TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN DO cn DON’T CARE 1. 2. 3. 4. 5. DO an (or bn or cn) = data-out from bank a (or bank b or bank c) and address n. One subsequent element of the burst from each bank appears after each DO x. Nominal conditions are assumed for specifications not defined. Example applies only when READ commands are issued to same device. Bank address can be to any bank, but the subsequent READ can only be to the same bank if tRC has been met. 6. Data from the READ commands to bank d through bank g will appear on subsequent clock cycles that are not shown. 48 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Operations Figure 24: Consecutive READ Bursts (BL = 4) T0 T1 T2 T3 T4 COMMAND READ NOP READ NOP READ ADDRESS Bank a Add n CK# T4n T5n T5 T6n T6 CK Bank b Add n NOP READ Bank c Add n Bank d Add n RL = 4 QVLD QK# QK DO an DQ DO bn TRANSITIONING DATA Notes: DON’T CARE 1. 2. 3. 4. 5. DO an (or bn) = data-out from bank a (or bank b) and address n. Three subsequent elements of the burst from each bank appears after each DO x. Nominal conditions are assumed for specifications not defined. Example applies only when READ commands are issued to same device. Bank address can be to any bank, but the subsequent READ can only be to the same bank if tRC has been met. 6. Data from the READ commands to banks c and d will appear on subsequent clock cycles that are not shown. Figure 25: READ-to-WRITE T0 T1 T2 T3 T4 T5 T6 T7 T8 COMMAND READ NOP WRITE NOP NOP NOP NOP NOP NOP NOP ADDRESS Bank a, Add n CK# CK Bank b, Add n DM QK# QK DK# DK RL = 4 WL = RL + 1 = 5 QVLD DO an DQ DI bn TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. 5. DON’T CARE DO an = data-out from bank a and address n. DI bn = data-in for bank b and address n. Three subsequent elements of each burst follow DI bn and each DO an. BL = 4. Nominal conditions are assumed for specifications not defined. 49 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Operations Figure 26: Read Data Valid Window for x9 Device QK0# QK0 tQKQ0 (MAX)2 tQHP1 tQKQ0 (MAX)2 tQKQ0 (MIN)2 tQHP1 tQKQ0 (MAX)2 tQKQ0 (MIN)2 tQHP1 tQKQ0 (MAX)2 tQKQ0 (MIN)2 tQKQ0 (MIN)2 tQHP1 tDVW3 tDVW3 tDVW3 tDVW3 DQ0 . . . . . . . . . . . . . . . DQ8 DQ (last valid data) DQ (first valid data) All DQs and QKs collectively Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. tQHP is defined as the lesser of tQKH or tQKL. 2. tQKQ0 is referenced to DQ0–DQ8. 3. tDVW can be expressed as tQHP - (tQKQx [MAX] + |tQKQx [MIN]|). 50 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Operations Figure 27: Read Data Valid Window for x18 Device QK0# QK0 tQKQ0 (MAX)3 tQHP1 tQKQ0 (MAX)3 tQKQ0 (MIN)3 tQHP1 tQKQ0 (MAX)3 tQKQ0 (MIN)3 tQHP1 tQKQ0 (MAX)3 tQKQ0 (MIN)3 tQHP1 tQKQ0 (MIN)3 Q0 . . . . . . . . . . . . . . . Q8 Q (last valid data) Q (first valid data) All Qs and QKs collectively tDVW2 tDVW2 tDVW2 tDVW2 QK1# QK1 tQKQ1 (MAX)4 tQHP1 tQKQ1 (MAX)4 tQKQ1 (MIN)4 tQHP1 tQKQ1 (MAX)4 tQKQ1 (MIN)4 tQHP1 tQKQ1 (MAX)4 tQKQ1 (MIN)4 tQHP1 tQKQ1 (MIN)4 Q9 . . . . . . . . . . . . . . . Q17 Q (last valid data) Q (first valid data) All Qs and QKs collectively tDVW2 Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN tDVW2 tDVW2 tDVW2 1. tQHP is defined as the lesser of tQKH or tQKL. 2. tQKQ0 is referenced to DQ0–DQ8. 3. tDVW can be expressed as tQHP - (tQKQx [MAX] + |tQKQx [MIN]|). 4. tQKQ1 is referenced to DQ9–DQ17. 5. tQKQ takes into account the skew between any QKx and any DQ. 51 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 READ Operations Figure 28: Read Data Valid Window for x36 Device QK0# QK0 tQKQ0 (MAX)2 tQHP1 tQKQ0 (MAX)2 tQKQ0 (MIN)2 tQHP1 tQKQ0 (MAX)2 tQKQ0 (MIN)2 tQHP1 tQKQ0 (MAX)2 tQKQ0 (MIN)2 tQHP1 tQKQ0 (MIN)2 Lower word DQ0 . . . . . . . . . . . . . . . DQ17 DQ (last valid data) DQ (first valid data) All DQs and QKs collectively tDVW3 tDVW3 tDVW3 tDVW3 tQHP1 tQKQ1(MAX)4 tQKQ1(MIN)4 tQKQ1 (MIN)4 tDVW3 tDVW3 QK1# QK1 tQKQ1 (MAX)4 tQHP1 tQKQ1 (MAX)4 tQKQ1 (MIN)4 tQHP1 tQKQ1 (MAX)4 tQKQ1 (MIN)4 tQHP1 Upper word DQ18 . . . . . . . . . . . . . . . DQ35 DQ (last valid data) DQ (first valid data) All DQs and QKs collectively tDVW3 Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN tDVW3 1. tQHP is defined as the lesser of tQKH or tQKL. 2. tQKQ0 is referenced to DQ0–DQ17. 3. tDVW can be expressed as tQHP - (tQKQx [MAX] + |tQKQx [MIN]|). 4. tQKQ1 is referenced to DQ18–DQ35. 5. tQKQ takes into account the skew between any QKx and any DQ. 52 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 WRITE Operations WRITE Operations Figure 29: WRITE Burst T0 T1 T2 T3 T4 T5 COMMAND WRITE NOP NOP NOP NOP NOP ADDRESS Bank a, Add n CK# T5n T6 T6n T7 CK t CKDK (NOM) NOP NOP WL = 5 DK# DK DI an DQ DM t CKDK (MIN) WL - tCKDK DK# DK DI an DQ DM t CKDK (MAX) WL + tCKDK DK# DK DI an DQ DM TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN DON’T CARE 1. DI an = data-in for address n; subsequent elements of burst are applied following DI an. 2. BL = 4. 53 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 WRITE Operations Figure 30: Consecutive WRITE-to-WRITE CK# T0 T1 T2 T3 WRITE NOP WRITE NOP T4 T5 T5n T6 T6n T7 T7n T8 T8n T9 CK COMMAND ADDRESS Bank a, Add n Bank b, Add n WRITE NOP NOP NOP NOP NOP Bank a, Add n DK# DK t RC = 4 WL = 5 WL = 5 DI an DQ DI bn DI an DM TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN DON’T CARE 1. 2. 3. 4. DI an (or bn) = data-in for bank a (or bank b) and address n. Three subsequent elements of the burst are applied following DI for each bank. BL = 4. Each WRITE command may be to any bank; if the second WRITE is to the same bank, tRC must be met. 5. Nominal conditions are assumed for specifications not defined. 54 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 WRITE Operations Figure 31: WRITE-to-READ T0 T1 T2 T3 T4 T5 COMMAND WRITE NOP READ NOP NOP NOP ADDRESS Bank a, Add n CK# T5n T6 T6n T7 CK NOP NOP Bank b, Add n WL = 5 RL = 4 QK# QK DK# DK QVLD DI an DQ DO bn DM DON’T CARE Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. 5. TRANSITIONING DATA DI an = data-in for bank a and address n. DO bn = data-out from bank b and address n. Two subsequent elements of each burst follow DI an and DO bn. BL = 2. Nominal conditions are assumed for specifications not defined. 55 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 WRITE Operations Figure 32: WRITE-to-READ – Separated by Two NOP Commands T0 T1 T2 T3 T4 T5 COMMAND WRITE NOP NOP READ NOP NOP ADDRESS Bank a, Add n CK# T5n T6 T7 NOP NOP T7n T8 CK NOP Bank b, Add n WL = 5 tCKQK (MIN) RL = 4 QK# QK DK# DK tCKDK (MAX) QVLD DI an DQ DO bn DM tDH tQKQ (MIN) TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN DON’T CARE 1. 2. 3. 4. 5. DI an = data-in for bank a and address n. DO bn = data-out from bank b and address n. One subsequent element of each burst follow DI an and DO bn. BL = 2. Only one NOP separating the WRITE and READ would have led to contention on the data bus because of the input and output data timing conditions being used. 6. Nominal conditions are assumed for specifications not defined. 56 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 WRITE Operations Figure 33: WRITE – DM Operation CK# T1 T0 T2 CK COMMAND tCK NOP WRITE tCH NOP T3 T4 NOP NOP T5 T6 T6n T7 T7n T8 tCL NOP NOP NOP NOP Bank a, Add n ADDRESS DK# DK tDKL WL = 5 tDKH DI an DQ DM tDS tDH TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. DON’T CARE DI n = data-in from address n. Subsequent elements of burst are provided on following clock edges. BL = 4. Nominal conditions are assumed for specifications not defined. 57 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 AUTO REFRESH Operation AUTO REFRESH Operation Figure 34: AUTO REFRESH Cycle CK# CK COMMAND T1 T0 (( )) tCK AREFx (( )) AREFy BAx T3 tCH ACx BAy DQ (( )) DM tRC Indicates a break in time scale PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN ACy (( )) (( )) DK, DK# Notes: tCL (( )) (( )) ADDRESS BANK T2 DON’T CARE 1. AREFx = AUTO REFRESH command to bank x. 2. ACx = any command to bank x; ACy = any command to bank y. 3. BAx = bank address to bank x; BAy = bank address to bank y. 58 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 On-Die Termination On-Die Termination Figure 35: READ Burst with ODT CK# T0 T1 T2 T3 T4 T4n READ NOP NOP NOP NOP T5 T5n T6 T6n T7 T7n CK COMMAND ADDRESS NOP NOP NOP NOP Bank a, Col n RL = 4 QK# BL = 2 QK QVLD DO an DQ DQ ODT DQ ODT on DQ ODT off DQ ODT on QK# BL = 4 QK QVLD DO an DQ DQ ODT DQ ODT on DQ ODT off DQ ODT on QK# BL = 8 QK QVLD DO an DQ DQ ODT DQ ODT off DQ ODT on TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN on DON’T CARE 1. DO n = data out from bank a and address n. 2. DO n is followed by the remaining bits of the burst. 3. Nominal conditions are assumed for specifications not defined. 59 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 On-Die Termination Figure 36: READ-NOP-READ with ODT CK# T0 T1 T2 T3 T4 T4n READ NOP READ NOP NOP T5 T6 T6n NOP NOP T7 CK COMMAND ADDRESS Bank a, Col n NOP NOP Bank b, Col n RL = 4 QK# QK QVLD DO an DQ DQ ODT DQ ODT on DQ ODT off DO bn DQ ODT on DQ ODT off TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. DQ ODT on DON’T CARE DO an (or bn) = data-out from bank a (or bank b) and address n. BL = 2. One subsequent element of the burst appears after DO an and DO bn. Nominal conditions are assumed for specifications not defined. 60 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 On-Die Termination Figure 37: READ-to-WRITE with ODT T0 T1 T2 T3 T4 COMMAND READ WRITE NOP NOP NOP ADDRESS Bank a Add n Bank b Add n T4n T5 T6 NOP NOP T6n T7 T8 NOP NOP T9 CK# CK RL = 4 WL = 5 DKx# DKx DO an DQ DI bn QKx QKx# ODT ODT on ODT on ODT off TRANSITIONING DATA Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. 2. 3. 4. UNDEFINED DON’T CARE DO an = data-out from bank a and address n; DI bn = data-in for bank b and address n. BL = 2. One subsequent element of each burst appears after each DO an and DI bn. Nominal conditions are assumed for specifications not defined. 61 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Multiplexed Address Mode Multiplexed Address Mode Figure 38: Command Description in Multiplexed Address Mode READ WRITE MRS REF CK# CK CS# WE# REF# ADDRESS Ax BANK ADDRESS BA Ay Ax Ay Ax BA BA Ay BA DON’T CARE Note: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. The minimum setup and hold times of the two address parts are defined tAS and tAH. 62 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Multiplexed Address Mode Figure 39: Power-Up/Initialization Sequence in Multiplexed Address Mode VEXT VDD VDDQ VREF VTT T0 T1 tCK CK tCKH tCKL tDK DK# DK tDKH COMMAND NOP T3 T2 CK# tDKL NOP NOP T4 T6 T5 T7 T8 T9 T10 T11 (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) NOP MRS MRS (( )) (( )) MRS MRS NOP (( )) (( )) (( )) (( )) REF (( )) (( )) REF (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) (( )) VALID (( )) (( )) VALID DM (( )) (( )) ADDRESS (( )) (( )) BANK ADDRESS (( )) (( )) (( )) (( )) (( )) (( )) High-Z (( )) (( )) (( )) (( )) (( )) High-Z (( )) (( )) (( )) (( )) (( )) High-Z (( )) (( )) (( )) (( )) (( )) tMRSC tMRSC Refresh all banks9 1024 NOP commands D Q RTT CODE 1,2 CODE 1,2 T = 200µs (MIN) Power-up: VDD and stable clock (CK, CK#) Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 2,3 CODE (( )) (( )) 2,4 Ax Ay VALID Bank 0 (( )) (( )) Bank 7 Indicates a break in time scale 5 5 5 DON’T CARE 1. Recommended that all address pins held LOW during dummy MRS commands. 2. A10–A18 must be LOW. 3. Set address A5 HIGH. This enables the part to enter multiplexed address mode when in non-multiplexed mode operation. Multiplexed address mode can also be entered at some later time by issuing an MRS command with A5 HIGH. Once address bit A5 is set HIGH, tMRSC must be satisfied before the two-cycle multiplexed mode MRS command is issued. 4. Address A5 must be set HIGH. This and the following step set the desired mode register once the device is in multiplexed address mode. 5. Any command or address. 6. The above sequence must be followed in order to power up the device in the multiplexed address mode. 7. DLL must be reset if tCK or VDD are changed. 8. CK and CK# must separated at all times to prevent bogus commands from being issued. 9. The sequence of the eight AUTO REFRESH commands (with respect to the 1024 NOP commands) does not matter. As is required for any operation, tRC must be met between an AUTO REFRESH command and a subsequent VALID command to the same bank. 63 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Multiplexed Address Mode Figure 40: Mode Register Definition in Multiplexed Address Mode A5 A4 A3 A0 Ax A18 . . . A10 A9 A8 Ay A18 . . . A10 A9 A8 A4 A3 18–10 9 8 7 6 5 Reserved1 ODT IM DLL NA5 AM 4 0 1 Notes: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1 0 Config Mode Register (Mx) M2 M1 M0 Off (default) 0 0 0 Configuration 12 (default) 1 On 0 0 1 12 0 1 0 2 0 1 1 3 DLL Reset DLL reset4 (default) 1 0 0 42 1 0 1 5 DLL enabled 1 1 0 Reserved 1 1 1 Reserved M4 M3 Burst Length Drive Impedance Internal 50Ω3 (default) External (ZQ) 1. 2. 3. 4. 5. 6. 7. 2 0 M9 On-Die Termination M8 3 BL M7 0 1 M5 Address MUX 0 Nonmultiplexed (default) 0 0 2 (default) 1 Multiplexed 0 1 4 1 0 8 1 1 Reserved Bits A10–A18 must be set to zero. BL = 8 is not available. ±30% temperature variation. DLL RESET turns the DLL off. Ay8 not used in MRS. BA0–BA2 are “Don’t Care.” Addresses A0, A3, A4, A5, A8, and A9 must be set as shown in order to activate the mode register in the multiplexed address mode. 64 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Multiplexed Address Mode Table 24: Address Mapping in Multiplexed Address Mode Address Data Width Burst Length Ball A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 x36 2 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 Ay X A1 A2 X A6 A7 X A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 X Ay X A1 A2 X A6 A7 X A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 X X Ay X A1 A2 X A6 A7 X A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 Ay X A1 A2 X A6 A7 A19 A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 Ay X A1 A2 X A6 A7 X A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 X Ay X A1 A2 X A6 A7 X A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 Ay A20 A1 A2 X A6 A7 A19 A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 Ay X A1 A2 X A6 A7 A19 A11 A12 A16 A15 Ax A0 A3 A4 A5 A8 A9 A10 A13 A14 A17 A18 Ay X A1 A2 X A6 A7 X A11 A12 A16 A15 4 8 x18 2 4 8 x9 2 4 8 Note: PDF: 09005aef80a41b46 rldram-2_cio_288mb.pdf - Rev. Q 10/15 EN 1. X = “Don’t Care.” 65 Micron Technology, Inc. reserves the right to change products or specifications without notice. © 2015 Micron Technology, Inc. All rights reserved. 288Mb: x9, x18, x36 CIO RLDRAM 2 Multiplexed Address Mode Configuration Tables In multiplexed address mode, the READ and WRITE latencies are increased by one clock cycle. However, the device cycle time remains the same as when in nonmultiplexed address mode. Table 25: Cycle Time and READ/WRITE Latency Configuration in Multiplexed Mode Note 1 applies to entire table Configuration 13 2 3 42, 3 5 Units tRC 4 6 8 3 5 tCK tRL 5 7 9 4 6 tCK tWL 6 8 10 5 7 tCK 266–175 400–175 533–175 200–175 333–175 MHz Parameter Valid frequency range Notes: 1. tRC
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