AS8S512K32_05

Austin Semiconductor, Inc. 512K x 32 SRAM PIN ASSIGNMENT SRAM MEMORY ARRAY AVAILABLE AS MILITARY SPECIFICATIONS • • • • • • • • • AS8S512K32 & AS8S512K32A SRAM S RAM (Top View) 68 Lead CQFP (Q, Q1 & Q2) Military SMD Pinout Option 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 SMD 5962-94611 (Military Pinout) MIL-STD-883 Operation with single 5V supply High speed: 12, 15, 17, 20, 25 and 35ns Built in decoupling caps for low noise Organized as 512Kx32 , byte selectable Low power CMOS TTL Compatible Inputs and Outputs Future offerings 3.3V Power Supply I/O 0 I/O 1 I/O 2 I/O 3 I/O 4 I/O 5 I/O 6 I/O 7 GND I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 I/O 15 FEATURES • Operating Temperature Ranges Military (-55oC to +125oC) Industrial (-40oC to +85oC) • Timing 12ns 15ns 17ns 20ns 25ns 35ns 45ns 55ns • Package Ceramic Quad Flatpack Ceramic Quad Flatpack Ceramic Quad Flatpack Pin Grid Array • Low Power Data Retention Mode • Pinout Military Commercial *(available with Q package only) XT IT 68 Lead CQFP Commercial Pinout Option (Q & Q1 with A) I/O 16 A18 A17 CS4\ CS3\ CS2\ CS1\ NC Vcc NC NC OE\ WE\ A16 A15 A14 I/O 15 -12 -15 -17 -20 -25 -35 -45 -55 Q Q1 Q2 P L (no indicator) A* CS GENERAL DESCRIPTION The Austin Semiconductor, Inc. AS8S512K32 and AS8S512K32A are 16 Megabit CMOS SRAM Modules organized as 512Kx32 bits. These devices achieve high speed access, low power consumption and high reliability by employing advanced CMOS memory technology. This military temperature grade product is ideally suited for military and space applications. CS AS8S512K32 & AS8S512K32A Rev. 6.0 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 1 I/O 31 A6 A5 A4 A3 A2 A1 A0 Vcc A13 A12 A11 A10 A9 A8 A7 I/O 0 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 I/O17 I/O18 I/O19 Vss I/O20 I/O21 I/O22 I/O23 Vcc I/O24 I/O25 I/O26 I/O27 Vss I/O28 I/O29 I/O30 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 Vcc A11 A12 A13 A14 A15 A16 CS1\ OE\ CS2\ A17 WE2\ WE3\ WE4\ A18 NC NC 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 OPTIONS MARKINGS 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 NC A0 A1 A2 A3 A4 A5 CS3\ GND CS4\ WE1\ A6 A7 A8 A9 A10 Vcc 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 I/O 16 I/O 17 I/O 18 I/O 19 I/O 20 I/O 21 I/O 22 I/O 23 GND I/O 24 I/O 25 I/O 26 I/O 27 I/O 28 I/O 29 I/O 30 I/O 31 I/O 14 I/O 13 I/O 12 Vss I/O 11 I/O 10 I/O 9 I/O 8 Vcc I/O 7 I/O 6 I/O 5 I/O 4 Vss I/O 3 I/O 2 I/O 1 66 Lead PGA (P) Military SMD Pinout CS \ CS Austin Semiconductor, Inc. AS8S512K32 & AS8S512K32A SRAM S RAM CS CS\4 CS4\ CS CS3\ CS\3 512K x 8 M3 512K x 8 M2 CS I/O 24 - I/O 31 CS\2 CS2\ 512K x 8 I/O 16 - I/O 23 M1 CS I/O 8 - I/O 15 512K x 8 CS\1 CS1\ WE\ OE\ A0 - A18 M0 I/O 0 - I/O 7 MILITARY PINOUT/BLOCK DIAGRAM COMMERCIAL PINOUT/BLOCK DIAGRAM TRUTH TABLE MODE Read Write(2) Standby OE\ L X X CE\ CS L L H WE\ H L X I/O DOUT DIN High Z POWER ACTIVE ACTIVE STANDBY AS8S512K32 & AS8S512K32A Rev. 6.0 6/05 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 2 Austin Semiconductor, Inc. ABSOLUTE MAXIMUM RATINGS* Voltage of Vcc Supply Relative to Vss......................-.5V to +7V Storage Temperature............................................-65°C to +150°C Short Circuit Output Current(per I/O).................................20mA Voltage on Any Pin Relative to Vss....................-.5V to Vcc+1V Maximum Junction Temperature**...................................+150°C *Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. AS8S512K32 & AS8S512K32A SRAM S RAM This is a stress rating only and functional operation on the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. **Junction temperature depends upon package type, cycle time, loading, ambient temperature and airflow. See the Application Information section at the end of this datasheet for more information. ELECTRICAL CHARACTERISTICS AND RECOMMENDED DC OPERATING CONDITIONS (-55oC < TA < 125oC and -40oC to +85oC; Vcc = 5V +10%) DESCRIPTION Input High (logic 1) Voltage Input Low (logic 1) Voltage Input Leakage Current ADD,OE Input Leakage Current WE, CE Output Leakage Current I/O Output High Voltage Output Low Voltage Supply Voltage CONDITIONS SYMBOL VIH VIL 0V