SRAM
MT5C2564
Austin Semiconductor, Inc.
64K x 4 SRAM
SRAM MEMORY ARRAY
PIN ASSIGNMENT
(Top View)
AVAILABLE AS MILITARY
SPECIFICATIONS
• SMD 5962-88681
• MIL-STD-883
24-Pin DIP (C)
(300 MIL)
28-Pin LCC (EC)
FEATURES
3
2 1 28 27
A0
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
17
16
15
14
13
Vcc
• High Speed: 15, 20, 25, 35, 45, 55, and 70
• Battery Backup: 2V data retention
• Low power standby
2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 8
A15
A14
A13
A12
A11
A10
DQ4
DQ3
DQ2
A15
A14
A13
A12
A11
A10
DQ4
DQ3
DQ2
DQ1
WE\
A2
A3
A4
A5
A6
A7
A8 1 0
A9 1 1
CE\ 1 2
4
5
6
7
8
9
• High-performance, low-power, CMOS double-metal
process
• Single +5V (+10%) Power Supply
• Easy memory expansion with CE\
• All inputs and outputs are TTL compatible
A9 10
CE\ 11
Vss 12
13 14 15 16 17
OPTIONS
• Timing
MARKING
15ns access
20ns access
25ns access
35ns access
45ns access
55ns access
70ns access
-15
-20
-25
-35
-45
-55*
-70*
GENERAL DESCRIPTION
The Austin Semiconductor SRAM family employs
high-speed, low-power CMOS and are fabricated using double-
layer metal, double-layer polysilicon technology.
For flexibility in high-speed memory applications,
Austin Semiconductor offers chip enable (CE\) on all organiza-
tions. This enhancement can place the outputs in High-Z for
additional flexibility in system design. The x4 configuration
features common data input and output.
Writing to these devices is accomplished when write
enable (WE\) and CE\ inputs are both LOW. Reading is accom-
plished when WE\ remains HIGH and CE\ goes LOW. The
device offers a reduced power standby mode when disabled.
This allows system designs to achieve low standby power re-
quirements.
• Package(s)
Ceramic DIP (300 mil)
CeramicLCC
C
EC
No. 106
No. 204
• Operating Temperature Ranges
Industrial (-40oC to +85oC)
Military (-55oC to +125oC)
IT
XT
• 2V data retention/low power
L
*Electrical characteristics identical to those provided for the 45ns
access devices.
These devices operate from a single +5V power sup-
ply and all inputs and outputs are fully TTL compatible.
For more products and information
please visit our web site at
www.austinsemiconductor.com
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
MT5C2564
Rev. 2.0 11/00
1