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The P4C1299 and P4C1299L are a 262,144-bit ultra highspeed static RAM organized as 64K x 4.The CMOS memory requires no clock or refreshing and has equal access and cycle times. Inputs and outputs are fully TTL-compatible. The RAM operates from a single 5V±10% tolerance power supply. With battery backup (P4C1299LOnly), data integrity is maintained for supply .
Full CMOS, 6T Cell High Speed (Equal Access and Cycle Times)
– 15/20/25/35 ns (Commercial/Industrial)
– 15/20/25/35/45 ns (Military)
Low Power Operation
Single 5V±10% Power Supply Output Enable (OE) & Chip Enable (CE1 and CE2)
Control Functions
P4C1299/P4C1299L
ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM
Data Retention with 2.0V Supply (P4C1299L) Three-State Outputs
TTL/CMOS Compatible Outputs Fully TTL Compatible Inputs Standard Pinout (JEDEC Approved)
– 28-Pin 300 mil DIP, SOJ
– 28-Pin 350x550 mil LCC
DESCRIPTION
The P4C1299 and P4C1299L are a 262,144-bit ultra highs.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | P4C1298 |
PYRAMID |
ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM |
|
| 2 | P4C1298L |
PYRAMID |
ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM |
|
| 3 | P4C1299L |
PYRAMID |
STATIC CMOS RAM |
|
| 4 | P4C1256 |
PYRAMID |
HIGH SPEED 32K x 8 STATIC CMOS RAM |
|
| 5 | P4C1256L |
PYRAMID |
LOW POWER 32K x 8 STATIC CMOS RAM |
|
| 6 | P4C1256LL |
PYRAMID |
LOW POWER 32K x 8 STATIC CMOS RAM |
|
| 7 | P4C1257 |
PYRAMID |
STATIC CMOS RAM |
|
| 8 | P4C1257L |
PYRAMID |
STATIC CMOS RAM |
|
| 9 | P4C1258 |
PYRAMID |
ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM |
|
| 10 | P4C1281 |
PYRAMID |
STATIC CMOS RAM |
|
| 11 | P4C1282 |
PYRAMID |
STATIC CMOS RAM |
|
| 12 | P4C1023 |
Pyramid Semiconductor |
LOW POWER 128K x 8 SINGLE CHIP ENABLE CMOS STATIC RAM |
|