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IC61C256AH Datasheet(PDF) 2 Page - Integrated Circuit Solution Inc

Part No. IC61C256AH
Description  32K x 8 HIGH-SPEED CMOS STATIC RAM
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Maker  ICSI [Integrated Circuit Solution Inc]
Homepage  http://www.icsi.com.tw
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 2 page
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IC61C256AH
2
Integrated Circuit Solution Inc.
AHSR010-0D 4/19/2002
ICSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors
which may appear in this publication. © Copyright 2000, Integrated Circuit Solution Inc.
FEATURES
• High-speed access times: 10, 12, 15, 20, 25 ns
• Low active power: 400 mW (typical)
• Low standby power
-- 250
µW (typical) CMOS standby
-- 55 mW (typical) TTL standby
• Fully static operation: no clock or refresh
required
• TTL compatible interface and outputs
• Single 5V power supply
DESCRIPTION
The
ICSI IC61C256AH is very high-speed, low power, 32,768
word by 8-bit static RAMs. They are fabricated using
ICSI's
high-performance CMOS technology. This highly reliable pro-
cess coupled with innovative circuit design techniques, yields
access times as fast as 8 ns maximum.
When
CE is HIGH (deselected), the device assumes a standby
mode at which the power dissipation is reduced to
50
µW (typical) with CMOS input levels.
Easy memory expansion is provided by using an active LOW
Chip Enable (
CE). The active LOW Write Enable (WE) controls
both writing and reading of the memory.
The IC61C256AH is pin compatible with other 32k x
8 SRAMs
and are available in 28-pin 300mil PDIP, 300mil SOJ, and
8*13.4mm TSOP-1 package, 330 mil SOP.
32K x 8 HIGH-SPEED CMOS STATIC RAM
FUNCTIONAL BLOCK DIAGRAM
A0-A14
CE
OE
WE
32K X 8
MEMORY ARRAY
DECODER
COLUMN I/O
CONTROL
CIRCUIT
GND
VCC
I/O
DATA
CIRCUIT
I/O0-I/O7




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