SN74ALVCH16269DLR

SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 FEATURES • • • • • • • DGG OR DL PACKAGE (TOP VIEW) Member of the Texas Instruments Widebus™ Family Operates From 1.65 V to 3.6 V Max tpd of 5 ns at 3.3 V ±24-mA Output Drive at 3.3 V Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors Latch-Up Performance Exceeds 250 mA Per JESD 17 ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) OEA OEB1 2B3 GND 2B2 2B1 VCC A1 A2 A3 GND A4 A5 A6 A7 A8 A9 GND A10 A11 A12 VCC 1B1 1B2 GND 1B3 NC SEL DESCRIPTION/ORDERING INFORMATION This 12-bit to 24-bit registered bus exchanger is designed for 1.65-V to 3.6-V VCC operation. The SN74ALVCH16269 is used in applications in which two separate ports must be multiplexed onto, or demultiplexed from, a single port. The device is particularly suitable as an interface between synchronous DRAMs and high-speed microprocessors. Data is stored in the internal B-port registers on the low-to-high transition of the clock (CLK) input when the appropriate clock-enable (CLKENA) inputs are low. Proper control of these inputs allows two sequential 12-bit words to be presented as a 24-bit word on the B port. For data transfer in the B-to-A direction, a single storage register is provided. The select (SEL) line selects 1B or 2B data for the A outputs. The register on the A output permits the fastest possible data transfer, extending the period during which the data is valid on the bus. The control terminals are registered so that all transactions are synchronous with CLK. Data flow is controlled by the active-low output enables (OEA, OEB1, OEB2). 1 56 2 55 3 54 4 53 5 52 6 51 7 50 8 49 9 48 10 47 11 46 12 45 13 44 14 43 15 42 16 41 17 40 18 39 19 38 20 37 21 36 22 35 23 34 24 33 25 32 26 31 27 30 28 29 OEB2 CLKENA2 2B4 GND 2B5 2B6 VCC 2B7 2B8 2B9 GND 2B10 2B11 2B12 1B12 1B11 1B10 GND 1B9 1B8 1B7 VCC 1B6 1B5 GND 1B4 CLKENA1 CLK NC − No internal connection ORDERING INFORMATION PACKAGE (1) TA SSOP - DL -40°C to 85°C TSSOP - DGG VFBGA - GQL VFBGA - ZQL (Pb-free) (1) ORDERABLE PART NUMBER Tube SN74ALVCH16269DL Tape and reel SN74ALVCH16269DLR Tape and reel SN74ALVCH16269DGGR Tape and reel SN74ALVCH16269KR 74ALVCH16269ZQLR TOP-SIDE MARKING ALVCH16269 ALVCH16269 VH269 Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Widebus is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1995–2004, Texas Instruments Incorporated SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 DESCRIPTION/ORDERING INFORMATION (CONTINUED) To ensure the high-impedance state during power up or power down, a clock pulse should be applied as soon as possible, and OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. Due to OE being routed through a register, the active state of the outputs cannot be determined before the arrival of the first clock pulse. Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. GQL OR ZQL PACKAGE (TOP VIEW) 1 3 4 5 TERMINAL ASSIGNMENTS 6 1 2 3 4 5 6 A A 2B3 OEB1 OEA OEB2 CLKENA2 2B4 B B 2B1 2B2 GND GND 2B5 2B6 C C A2 A1 VCC VCC 2B7 2B8 D D A4 A3 GND GND 2B9 2B10 E E A6 A5 2B11 2B12 F F A7 A8 1B11 1B12 G G A9 A10 GND 1B9 1B10 H A11 A12 VCC VCC 1B7 1B8 J 1B1 1B2 GND GND 1B5 1B6 K 1B3 NC SEL CLK CLKENA1 1B4 H J K 2 2 GND SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 FUNCTION TABLES OUTPUT ENABLE INPUTS OUTPUTS CLK OEA OEB A 1B, 2B Z Z Active ↑ H ↑ H L Z ↑ L H Active Z ↑ L L Active Active H A-TO-B STORAGE (OEB = L) INPUTS OUTPUTS CLKENA1 CLKENA2 CLK A 1B 2B L H ↑ L L 2B0 (1) L H ↑ H H 2B0 (1) L L ↑ L L L H (1) L L ↑ H H H L ↑ L 1B0 (1) L H L ↑ H 1B0 (1) H H H X X 1B0 (1) 2B0 (1) Output level before the indicated steady-state input conditions were established B-TO-A STORAGE (OEA = L) INPUTS OUTPUT CLK SEL 1B 2B A X H X X A0 (1) X L X X A0 (1) ↑ H L X L ↑ H H X H ↑ L X L L ↑ L X H H (1) Output level before the indicated steady-state input conditions were established 3 SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 LOGIC DIAGRAM (POSITIVE LOGIC) CLK OEB1 29 C1 2 1D C1 OEB2 CLKENA1 CLKENA2 56 1D 30 55 C1 SEL OEA 28 1D 1 1D 1 of 12 Channels C1 G1 A1 8 C1 1 1D 23 1B1 1 CE C1 1D 6 CE C1 1D Pin numbers shown are for the DGG and DL packages. 4 2B1 www.ti.com SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS SCES019N – JULY 1995 – REVISED JULY 2004 ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range (unless otherwise noted) VCC Supply voltage range MIN MAX -0.5 4.6 Except I/O ports (2) -0.5 4.6 I/O ports (2) (3) -0.5 VCC + 0.5 -0.5 VCC + 0.5 UNIT V VI Input voltage range VO Output voltage range (2) (3) IIK Input clamp current VI < 0 -50 mA IOK Output clamp current VO < 0 -50 mA IO Continuous output current ±50 mA ±100 mA Continuous current through each VCC or GND θJA Package thermal impedance (4) Tstg Storage temperature range DGG package 81 DL package 74 GQL/ZQL package (1) (2) (3) (4) V V °C/W 42 -65 150 °C Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. This value is limited to 4.6 V maximum. The package thermal impedance is calculated in accordance with JESD 51-7. RECOMMENDED OPERATING CONDITIONS (1) VCC Supply voltage VCC = 1.65 V to 1.95 V VIH High-level input voltage MIN MAX 1.65 3.6 Low-level input voltage V 0.65 × VCC VCC = 2.3 V to 2.7 V 1.7 VCC = 2.7 V to 3.6 V 2 V 0.35 × VCC VCC = 1.65 V to 1.95 V VIL UNIT VCC = 2.3 V to 2.7 V 0.7 VCC = 2.7 V to 3.6 V 0.8 V VI Input voltage 0 VCC V VO Output voltage 0 VCC V IOH High-level output current IOL Low-level output current ∆t/∆v Input transition rise or fall rate TA Operating free-air temperature (1) VCC = 1.65 V -4 VCC = 2.3 V -12 VCC = 2.7 V -12 VCC = 3 V -24 VCC = 1.65 V 4 VCC = 2.3 V 12 VCC = 2.7 V 12 VCC = 3 V 24 -40 mA mA 10 ns/V 85 °C All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. 5 SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS IOH = -100 µA IOH = -6 mA 2.3 V 2 2.3 V 1.7 2.7 V 2.2 3V 2.4 IOH = -24 mA 3V 2 IOL = 100 µA MAX V 1.65 V to 3.6 V 0.2 1.65 V 0.45 IOL = 6 mA 2.3 V 0.4 2.3 V 0.7 IOL = 24 mA 2.7 V 0.4 3V 0.55 ±5 VI = VCC or GND 3.6 V VI = 0.58 V 1.65 V 25 VI = 1.07 V 1.65 V -25 VI = 0.7 V 2.3 V 45 VI = 1.7 V 2.3 V -45 VI = 0.8 V 3V 75 3V -75 VI = 2 V UNIT 1.2 IOL = 4 mA IOL = 12 mA II(hold) TYP (1) VCC - 0.2 1.65 V IOH = -12 mA II 1.65 V to 3.6 V MIN IOH = -4 mA VOH VOL VCC V µA µA 3.6 V ±500 IOZ (3) VO = VCC or GND 3.6 V ±10 µA ICC VI = VCC or GND, IO = 0 3.6 V 40 µA ∆ICC One input at VCC - 0.6 V, Other inputs at VCC or GND 3 V to 3.6 V 750 µA VI = 0 to 3.6 V (2) Ci Control inputs VI = VCC or GND 3.3 V 3.5 pF Cio A or B ports VO = VCC or GND 3.3 V 9 pF (1) (2) (3) 6 All typical values are at VCC = 3.3 V, TA = 25°C. This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another. For I/O ports, the parameter IOZ includes the input leakage current. SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 TIMING REQUIREMENTS over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V ± 0.2 V VCC = 1.8 V MIN Clock frequency tw Pulse duration, CLK high or low th (1) Setup time Hold time MIN (1) fclock tsu MAX (1) VCC = 3.3 V ± 0.3 V VCC = 2.7 V MAX MIN MAX 135 3.3 MIN 135 135 3.3 3.3 A data before CLK↑ (1) 2 2 1.7 B data before CLK↑ (1) 2.2 2.1 1.8 SEL before CLK↑ (1) 1.6 1.6 1.3 CLKENA1 or CLKENA2 before CLK↑ (1) 1 1.2 0.9 OE before CLK↑ (1) 1.5 1.6 1.3 A data after CLK↑ (1) 0.7 0.6 0.6 B data after CLK↑ (1) 0.7 0.6 0.6 SEL after CLK↑ (1) 1.1 0.7 0.7 CLKENA1 or CLKENA2 after CLK↑ (1) 1 0.8 1.1 OE after CLK↑ (1) 0.8 0.8 0.8 UNIT MAX MHz ns ns ns This information was not available at the time of publication. SWITCHING CHARACTERISTICS over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 1.8 V MIN (1) fmax (1) TYP tpd CLK ten CLK tdis CLK VCC = 2.5 V ± 0.2 V MIN VCC = 3.3 V ± 0.3 V VCC = 2.7 V MAX MIN 135 MAX 135 MIN UNIT MAX 135 MHz B (1) 1 8.2 7.3 1 6.2 A (1) 1 6.4 5.8 1 5 B (1) 1 7.9 6.7 1 6.1 A (1) 1 7.6 6.2 1 5.9 B (1) 1 8.1 6.9 1 6.1 A (1) 1 7.5 6.8 1 5.6 ns ns ns This information was not available at the time of publication. OPERATING CHARACTERISTICS TA = 25°C PARAMETER Cpd (1) Power dissipation capacitance per exchanger All outputs enabled All outputs disabled TEST CONDITIONS CL = 50 pF, f = 10 MHz VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V TYP TYP TYP (1) 87 120 (1) 80.5 118 UNIT pF This information was not available at the time of publication. 7 SN74ALVCH16269 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS www.ti.com SCES019N – JULY 1995 – REVISED JULY 2004 PARAMETER MEASUREMENT INFORMATION VLOAD S1 RL From Output Under Test Open GND CL (see Note A) RL TEST S1 tpd tPLZ/tPZL tPHZ/tPZH Open VLOAD GND LOAD CIRCUIT INPUT VCC 1.8 V 2.5 V ± 0.2 V 2.7 V 3 V ± 0.3 V VI tr/tf VCC VCC 2.7 V 2.7 V ≤2 ns ≤2 ns ≤2.5 ns ≤2.5 ns VM VLOAD CL RL V∆ VCC/2 VCC/2 1.5 V 1.5 V 2 × VCC 2 × VCC 6V 6V 30 pF 30 pF 50 pF 50 pF 1 kΩ 500 Ω 500 Ω 500 Ω 0.15 V 0.15 V 0.3 V 0.3 V tw VI Timing Input VM VM VM 0V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VM VM 0V tPLH Output Control (low-level enabling) tPLZ VLOAD/2 VM tPZH VOH VM VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VM 0V Output Waveform 1 S1 at VLOAD (see Note B) tPHL VM VI VM tPZL VI Input VOLTAGE WAVEFORMS PULSE DURATION th VI Data Input VM 0V 0V tsu Output VI VM Input Output Waveform 2 S1 at GND (see Note B) VOL + V∆ VOL tPHZ VOH VM VOH − V∆ 0V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω. D. The outputs are measured one at a time, with one transition per measurement. E. tPLZ and tPHZ are the same as tdis. F. tPZL and tPZH are the same as ten. G. tPLH and tPHL are the same as tpd. H. All parameters and waveforms are not applicable to all devices. Figure 1. Load Circuit and Voltage Waveforms 8 PACKAGE OPTION ADDENDUM www.ti.com 10-Dec-2020 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) (3) Device Marking (4/5) (6) SN74ALVCH16269DGGR ACTIVE TSSOP DGG 56 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 ALVCH16269 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of