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參數(shù)資料
| 型號： | IDT7198S |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | High-Performance Current-Mode PWM Controller 8-SOIC -40 to 85 |
| 中文描述： | 64K的的CMOS靜態(tài)RAM（16K的× 4位）新增芯片選擇和輸出控制 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 80K |
| 代理商： | IDT7198S |
Integrated Device Technology, Inc.
MILITARY TEMPERATURE RANGE
MAY 1994
1994 Integrated Device Technology, Inc.
6.4
DSC-1027/4
1
CMOS STATIC RAMs
64K (16K x 4-BIT)
Added Chip Select and Output Controls
IDT7198S
IDT7198L
FEATURES:
Fast Output Enable (
OE
) pin available for added system
flexibility
Multiple Chip Selects (
CS
1
,
CS
2
) simplify system design
and operation
High speed (equal access and cycle times)
— Military: 20/25/35/45/55/70/85ns (max.)
Low power consumption
Battery back-up operation—2V data retention (L version
only)
24-pin CERDIP, high-density 28-pin leadless chip carrier,
and 24-pin CERPACK packaging available
Produced with advanced CMOS technology
Bidirectional data inputs and outputs
Inputs/outputs TTL-compatible
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’s high-perfor-
mance, high-reliability technology—CMOS. 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
μ
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.
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
DECODER
65,536-BIT
MEMORY ARRAY
COLUMN I/O
2985 drw 01
INPUT
DATA
CONTROL
GND
A
0
WE
1
OE
CS
1
CS
2
A
13
I/O
0
I/O
1
I/O
2
I/O
3
V
CC
FUNCTIONAL BLOCK DIAGRAM
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