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P3C1256 Datasheet(PDF) 1 Page - Pyramid Semiconductor Corporation

Part No. P3C1256
Description  HIGH SPEED 32K x 8 3.3V STATIC CMOS RAM
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Maker  PYRAMID [Pyramid Semiconductor Corporation]
Homepage  http://www.pyramidsemiconductor.com
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P3C1256 Datasheet(HTML) 1 Page - Pyramid Semiconductor Corporation

 
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Document # SRAM122 REV B
Revised August 2006
P3C1256
HIGH SPEED 32K x 8
3.3V STATIC CMOS RAM
3.3V Power Supply
High Speed (Equal Access and Cycle Times)
— 12/15/20/25 ns (Commercial)
— 15/20/25 ns (Industrial)
Low Power
Single 3.3 Volts ±0.3Volts Power Supply
Easy Memory Expansion Using CE
CE
CE
CE
CE and OE
OE
OE
OE
OE
Inputs
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATIONS
1519B
Common Data I/O
Three-State Outputs
Fully TTL Compatible Inputs and Outputs
Advanced CMOS Technology
Automatic Power Down
Packages
—28-Pin TSOP and SOJ
FEATURES
DESCRIPTION
The P3C1256 is a 262,144-bit high-speed CMOS
static RAM organized as 32Kx8. 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 3.3V± 0.3V tolerance power
supply.
Access times as fast as 12 nanoseconds permit greatly
enhanced system operating speeds. CMOS is utilized
to reduce power consumption to a low level. The
P3C1256 is a member of a family of PACE RAM™ prod-
ucts offering fast access times.
The P3C1256 device provides asynchronous operation
with matching access and cycle times. Memory loca-
tions are specified on address pins A
0 to A14. Reading is
accomplished by device selection (CE and output en-
abling (OE) while write enable (WE) remains HIGH. By
presenting the address under these conditions, the data
in the addressed memory location is presented on the
data input/output pins. The input/output pins stay in the
HIGH Z state when either CE or OE is HIGH or WE is
LOW.
Package options for the P3C1256 include 28-pin TSOP
and SOJ packages.
SOJ (J5)
TOP VIEW
See end of datasheet for TSOP pin configuration


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