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Part Number: P93U422
Description: The P93U422 is a 1,024-bit high-speed Static RAM with a 256 x 4 organization. The P93U422 is a univers...
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P93U422
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DataSheet
General Description
P93U422 General 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 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 commercial and military temperature ranges.
P93U422 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| VCC | Power Supply Pin with Respect to GND | 0.5 to +7 | V |
| VTERM | Terminal Voltage with Respect to GND (up to 7.0V) |
0.5 to VCC +0.5 |
V |
| TA | Operating Temperature | 55 to +125 | °C |
| TBIAS | Temperature Under Bias | 55 to +125 | °C |
| TSTG | Storage Temperature | 65 to +150 | °C |
| IOUT | DC Output Current | 20 | mA |
P93U422 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
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
P93U422 Connection Diagram
P93U422
PDF/DataSheet Download
- Datasheet: P93U422
- File Size: 234205 KB
- Manufacturer: Pyramid Semiconductor Corporation
- Click here to Download
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