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IS62C64-70W Datasheet

  • IS62C64-70W

  • IC-64K CMOS SRAM

  • 7頁

  • ETC

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IS62C64
IS62C64
8K x 8 LOW POWER CMOS STATIC RAM
ISSI
technology.
ISSI
廬
廬
FEATURES
鈥?CMOS low power operation
鈥?400 mW (max.) operating
鈥?25 mW (max.) standby
鈥?Automatic power-down when chip is
deselected
鈥?TTL compatible interface levels
鈥?Single 5V power supply
鈥?Fully static operation: no clock or refresh
required
鈥?Three-state outputs
鈥?Two Chip Enables (
CE1
and CE2) for
simple memory expansion
鈥?Industrial temperature available
DESCRIPTION
The
ISSI
IS62C64 is a low power, 8,192-word by 8-bit static
RAM. It is fabricated using
ISSI
's high-performance CMOS
When
CE1
is HIGH or CE2 is LOW (deselected), the device
assumes a standby mode at which the power dissipation is
reduced to 25
碌W
(typical) with CMOS input levels.
Easy memory expansion is provided by using two Chip Enable
inputs,
CE1
and CE2. The active LOW Write Enable (
WE
)
controls both writing and reading of the memory.
The IS62C64 is packaged in the JEDEC standard 28-pin,
600-mil DIP and SOP surface mount packages.
FUNCTIONAL BLOCK DIAGRAM
A0-A12
DECODER
256 X 256
MEMORY ARRAY
VCC
GND
I/O
DATA
CIRCUIT
I/O0-I/O7
COLUMN I/O
CE2
CE1
OE
WE
CONTROL
CIRCUIT
ISSI 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. 漏 Copyright 1996, Integrated Silicon Solution, Inc.
Integrated Silicon Solution, Inc.
SR013-1D
3/17/97
1

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