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P4C1024 Datasheet(PDF) 1 Page - Pyramid Semiconductor Corporation

Part No. P4C1024
Description  HIGH SPEED 128K X 8 CMOS STATIC RAM
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Manufacturer  PYRAMID [Pyramid Semiconductor Corporation]
Direct Link  http://www.pyramidsemiconductor.com
Logo PYRAMID - Pyramid Semiconductor Corporation

P4C1024 Datasheet(HTML) 1 Page - Pyramid Semiconductor Corporation

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Document # SRAM124 REV A
Revised October 2005
P4C1024
HIGH SPEED 128K x 8
DUAL CHIP ENABLE
CMOS STATIC RAM
The P4C1024 device provides asynchronous opera-
tions with matching access and cycle times. Memory
locations are specified on address pins A
0 to A16.
Reading is accomplished by device selection (CE
1 low
and CE
2 high) and output enabling (OE) while write
enable (WE) remains HIGH. By presenting the ad-
dress under these conditions, the data in the ad-
dressed memory location is presented on the data
input/output pins. The input/output pins stay in the
HIGH Z state when either CE
1 or OE is HIGH or WE
or CE
2 is LOW.
The P4C1024 is a 1,048,576-bit high-speed CMOS
static RAM organized as 128Kx8. The CMOS memory
requires no clocks or refreshing, and has equal access
and cycle times. Inputs are fully TTL-compatible. The
RAM operates from a single 5V±10% tolerance power
supply.
Access times of 15 nanoseconds permit greatly en-
hanced system operating speeds. CMOS is utilized to
reduce power consumption to a low level. The P4C1024
is a member of a family of PACE RAM™ products offer-
ing fast access times.
Advanced CMOS Technology
Fast t
OE
Automatic Power Down
Packages
—32-Pin 300 mil DIP and SOJ
—32-Pin 400 mil SOJ
—32-Pin 600 mil Ceramic DIP
—32-Pin 400 mil Ceramic DIP
—32-Pin Solder Seal Flatpack
—32-Pin LCC (450 x 500 mil)
—32-Pin Ceramic SOJ
High Speed (Equal Access and Cycle Times)
— 15/20/25/35 ns (Commercial)
— 20/25/35/45 ns (Industrial)
— 20/25/35/45/55/70/85/100/120 ns (Military)
Single 5 Volts ±10% Power Supply
Easy Memory Expansion Using CE
CE
CE
CE
CE
1, CE2 and OE
OE
OE
OE
OE
Inputs
Common Data I/O
Three-State Outputs
Fully TTL Compatible Inputs and Outputs
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATION
DESCRIPTION
FEATURES
DIP (P300, C10, C11),
SOJ (J300, J400, CJ1),
SOLDER SEAL
FLATPACK (FS-3) SIMILAR
LCC (L6)


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