P93U422
P93U422 is High Speed 256 X 4 Static CMOS Ram manufactured by PYRAMID.
P93U422 HIGH SPEED 256 x 4 STATIC CMOS RAM
Features
Universal 256 x 4 Static RAM One part, the P93U422, replaces the following bipolar and CMOS parts:
- 93422, 93422A
- 93L422, 93L422A Fast Access Time
- 35 ns mercial and Military Available in the following packages:
- PDIP, CERDIP, Side Brazed DIP
- CERPACK
- LCC
- SOIC CMOS for Low Power
- 440 m W (mercial)
- 495 m W (Military) 5V Power Supply ±10% for both mercial and military temperature ranges Separate I/O Fully static operation with equal access and cycle times Resistant to single event upset and latchup due to advanced process and design improvements
DESCRIPTION
The P93U422 is a 1,024-bit high-speed Static RAM with a 256 x 4 organization. The P93U422 is a universal device designed to replace the entire 93 and 93L 256 x 4 static RAM families. The memory requires no clocks or refreshing and has equal access and cycle times. Inputs and outputs are fully TTL patible. Operation is from a single 5 Volt supply. Easy memory expansion is provided by an active LOW chip select one (CS 1) and active HIGH chip select two (CS 2) as well as 3-state outputs. In addition to high performance, the device Features latchup protection, single event and upset protection. The P93U422 is offered in several packages: 22-pin 400 mil DIP (plastic and ceramic), 24-pin 300 mil SOIC, 24-pin square LCC and 24-pin CERPACK. Devices are offered in both mercial and military temperature ranges.
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATIONS
SOIC (S4) CERPACK (F3)
DIP (P3-1, C3-1, D3-1)
LCC (L4)
Document # SRAM102 REV A 1 Revised October 2005
Free Datasheet http://../
MAXIMUM RATINGS(1)
Symbol VCC Parameter Power Supply Pin with Respect to GND Terminal Voltage with Respect to GND (up to 7.0V) Operating Temperature Value
- 0.5 to +7
- 0.5 to VCC +0.5
- 55 to +125 Unit V Symbol TBIAS TSTG I OUT Parameter Temperature Under Bias Storage Temperature DC Output Current Value
- 55 to +125
- 65 to +150 20 Unit...
