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PYRAMID - High Speed 256 X 4 Static CMOS Ram

Numéro de référence P93U422
Description High Speed 256 X 4 Static CMOS Ram
Fabricant PYRAMID 
Logo PYRAMID 





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P93U422 fiche technique
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 Commercial and
Military
Available in the following packages:
– PDIP, CERDIP, Side Brazed DIP
– CERPACK
– LCC
– SOIC
CMOS for Low Power
– 440 mW (Commercial)
– 495 mW (Military)
5V Power Supply ±10% for both commercial
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 compatible. Operation
is from a single 5 Volt supply. Easy memory expansion
is provided by an active LOW chip select one (CS1) and
active HIGH chip select two (CS2) as well as 3-state
outputs.
In addition to high performance, the device features latch-
up 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 commercial and military temperature ranges.
FUNCTIONALBLOCKDIAGRAM PINCONFIGURATIONS
SOIC (S4)
CERPACK (F3)
DIP (P3-1, C3-1, D3-1)
LCC (L4)
Document # SRAM102 REV A
1 Revised October 2005
Free Datasheet http://www.datasheet4u.com/

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