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P4C1681-25CC

Description
ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS
File Size187KB,10 Pages
ManufacturerPyramid Semiconductor Corporation
Websitehttp://www.pyramidsemiconductor.com/
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P4C1681-25CC Overview

ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS

P4C1681, P4C1682
ULTRA HIGH SPEED 4K x 4
STATIC CMOS RAMS
FEATURES
Full CMOS, 6T Cell
High Speed (Equal Access and Cycle Times)
– 12/15/20/25 ns (Commercial)
– 20/25/35ns (Military)
Low Power Operation
Single 5V ± 10%Power Supply
Separate Inputs and Outputs
– P4C1681 Input Data at Outputs during Write
– P4C1682 Outputs in High Z during Write
Fully TTL Compatible Inputs and Outputs
Standard Pinout (JEDEC Approved)
– 24-Pin 300 mil DIP
– 24-Pin 300 mil SOIC
– 24-Pin 300 mil SOJ
– 24-Pin Solder Seal Flat Pack
– 28-Pin LCC (450 mil x 450 mil)
DESCRIPTION
The P4C1681 and P4C1682 are 16,384-bit (4K x 4) ultra
high speed static RAMs similar to the P4C168, but with
separate data I/O pins. The P4C1681 features a
transparent write operation; the outputs of the P4C1682
are in high impedance during the write cycle. All devices
have low power standby modes. The RAMs operate
from a single 5V ± 10% tolerance power supply.
Access times as fast as 12 nanoseconds are available,
permitting greatly enhanced system operating speeds.
.
CMOS is used to reduce power consumption.
The P4C1681 and P4C1682 are available in 24-pin 300 mil
DIP, SOIC, Solder Seal Flatpack, and SOJ packages, as
well as a 28-pin LCC package, providing excellent board
level densities.
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATIONS
DIP (P4,C4), SOIC (S4), SOJ (J4)
SOLDER SEAL FLAT PACK (FS-1)
LCC (L5-1)
Document #
SRAM109
REV A
1
Revised October 2005
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