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IDT7198S Datasheet

  • IDT7198S

  • CMOS STATIC RAMs 64K (16K x 4-BIT) Added Chip Select and Out...

  • 84.82KB

  • 8頁

  • IDT

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CMOS STATIC RAMs
64K (16K x 4-BIT)
Added Chip Select and Output Controls
IDT7198S
IDT7198L
Integrated Device Technology, Inc.
FEATURES:
鈥?Fast Output Enable (
OE
) pin available for added system
flexibility
鈥?Multiple Chip Selects (
CS
1
,
CS
2
) simplify system design
and operation
鈥?High speed (equal access and cycle times)
鈥?Military: 20/25/35/45/55/70/85ns (max.)
鈥?Low power consumption
鈥?Battery back-up operation鈥?V data retention (L version
only)
鈥?24-pin CERDIP, high-density 28-pin leadless chip carrier,
and 24-pin CERPACK packaging available
鈥?Produced with advanced CMOS technology
鈥?Bidirectional data inputs and outputs
鈥?Inputs/outputs TTL-compatible
鈥?Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The IDT7198 is a 65,536 bit high-speed static RAM orga-
nized as 16K x 4. It is fabricated using IDT鈥檚 high-perfor-
mance, high-reliability technology鈥擟MOS. This state-of-the-
art technology, combined with innovative circuit design tech-
niques, provides a cost effective approach for memory inten-
sive applications.
Access times as fast as 20ns are available. The IDT7198
offers a reduced power standby mode, I
SB1
, which is activated
when
CS
1
or
CS
2
goes HIGH. This capability decreases
power, while enhancing system reliability. The low-power
version (L) also offers a battery backup data retention capa-
bility where the circuit typically consumes only 30碌W when
operating from a 2V battery.
All inputs and outputs are TTL-compatible and operate
from a single 5V supply.
The lDT7198 is packaged in either a 24-pin ceramic DlP,
28-pin leadless chip carrier, and 24-pin CERPACK.
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
0
V
CC
GND
DECODER
65,536-BIT
MEMORY ARRAY
A
13
I/O
0
I/O
1
I/O
2
I/O
3
COLUMN I/O
INPUT
DATA
CONTROL
CS
1
CS
2
WE
1
OE
2985 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY TEMPERATURE RANGE
漏1994
Integrated Device Technology, Inc.
MAY 1994
6.4
DSC-1027/4
1

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