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IS62C256-45T PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IS62C256-45T
部品説明 32K x 8 LOW POWER CMOS STATIC RAM
メーカ ETC
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IS62C256-45T Datasheet, IS62C256-45T PDF,ピン配置, 機能
IS62C256
32K x 8 LOW POWER CMOS STATIC RAM
ISSI®
FEATURES
• Access time: 45, 70 ns
• Low active power: 200 mW (typical)
• Low standby power
— 250 µW (typical) CMOS standby
— 28 mW (typical) TTL standby
• Fully static operation: no clock or refresh
required
• TTL compatible inputs and outputs
• Single 5V power supply
DESCRIPTION
The ISSI IS62C256 is a low power, 32,768 word by 8-bit
CMOS static RAM. It is fabricated using ISSI's high-
performance, low power CMOS technology.
When CS is HIGH (deselected), the device assumes a standby
mode at which the power dissipation can be reduced down to
250 µW (typical) at CMOS input levels.
Easy memory expansion is provided by using an active LOW
Chip Select (CS) input and an active LOW Output Enable (OE)
input. The active LOW Write Enable (WE) controls both writing
and reading of the memory.
The IS62C256 is pin compatible with other 32K x 8 SRAMs in
plastic SOP or TSOP (Type I) package.
FUNCTIONAL BLOCK DIAGRAM
A0-A14
VCC
GND
I/O0-I/O7
DECODER
32K X 8
MEMORY ARRAY
I/O
DATA
CIRCUIT
COLUMN I/O
CS
CONTROL
OE CIRCUIT
WE
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. © Copyright 1999, Integrated Silicon Solution, Inc.
Integrated Silicon Solution, Inc. — 1-800-379-4774
SR072-1E
05/12/99
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