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IS61LV256-12JI 参数 Datasheet PDF下载

IS61LV256-12JI图片预览
型号: IS61LV256-12JI
PDF下载: 下载PDF文件 查看货源
内容描述: 32K ×8低压CMOS静态RAM [32K X 8 LOW VOLTAGE CMOS STATIC RAM]
分类和应用: 存储内存集成电路静态存储器光电二极管
文件页数/大小: 8 页 / 121 K
品牌: ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
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IS61LV256
32K x 8 LOW VOLTAGE
CMOS STATIC RAM
.EATURES
• High-speed access times:
-- 8, 10, 12, 15, 20 ns
• Automatic power-down when chip is deselected
• CMOS low power operation
-- 345 mW (max.) operating
-- 7 mW (max.) CMOS standby
• TTL compatible interface levels
• Single 3.3V power supply
• .ully static operation: no clock or refresh
required
• Three-state outputs
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 IS61LV256 is available in the JEDEC standard 28-pin,
300mil SOJ and the 8*13.4mm TSOP-1 package.
DESCRIPTION
The
1+51
IS61LV256 is a very high-speed, low power,
32,768-word by 8-bit static RAM. It is fabricated using
1+51
's
.UNCTIONAL BLOCK DIAGRAM
A0-A14
DECODER
256 X 1024
MEMORY ARRAY
VCC
GND
I/O
DATA
CIRCUIT
I/O0-I/O7
COLUMN I/O
CE
OE
WE
CONTROL
CIRCUIT
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.
Integrated Circuit Solution Inc.
SR004-0D
1