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IDT7187S45L22B Datasheet

  • IDT7187S45L22B

  • CMOS STATIC RAM 64K (64K x 1-BIT)

  • 8頁

  • IDT

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CMOS STATIC RAM
64K (64K x 1-BIT)
Integrated Device Technology, Inc.
IDT7187S
IDT7187L
FEATURES:
鈥?High speed (equal access and cycle time)
鈥?Military: 25/35/45/55/70/85ns (max.)
鈥?Low power consumption
鈥?Battery backup operation鈥?V data retention (L version
only)
鈥?JEDEC standard high-density 22-pin ceramic DIP, 22-pin
leadless chip carrier
鈥?Produced with advanced CMOS high-performance
technology
鈥?Separate data input and output
鈥?Input and output directly TTL-compatible
鈥?Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The IDT7187 is a 65,536-bit high-speed static RAM
organized as 64K x 1. It is fabricated using IDT鈥檚 high-
performance, high-reliability CMOS technology. Access times
as fast as 25ns are available.
Both the standard (S) and low-power (L) versions of the
IDT7187 provide two standby modes鈥擨
SB
and I
SB1
. I
SB
provides low-power operation; I
SB1
provides ultra-low-power
operation. The low-power (L) version also provides the capa-
bility for data retention using battery backup. When using a 2V
battery, the circuit typically consumes only 30碌W.
Ease of system design is achieved by the IDT7187 with full
asynchronous operation, along with matching access and
cycle times. The device is packaged in an industry standard
22-pin, 300 mil ceramic DIP, or 22-pin leadless chip carriers.
Military grade product is manufactured in compliance with
the latest revision of MIL-STD-883, Class B, making it ideally
suited to military temperature applications demanding the
highest level of performance and reliability.
FUNCTIONAL BLOCK DIAGRAM
A
A
V
CC
A
A
A
A
A
ROW
SELECT
65,536-BIT
MEMORY ARRAY
GND
CS
DATA
IN
COLUMN I/O
DATA
OUT
WE
A
A
A
A
A
A
A
2986 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY TEMPERATURE RANGE
漏1996
Integrated Device Technology, Inc.
For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.
AUGUST 1996
6.2
2986/7
1

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