SRAM
AS5C4008
512K x 8 SRAM
SRAM MEMORY ARRAY
AVAILABLE AS MILITARY
SPECIFICATION
• SMD 5962-95600
• SMD 5962-95613
• MIL STD-883
PIN ASSIGNMENT
(Top View)
32-Pin DIP (CW), 32-Pin LCC (EC)
32-Pin SOJ (ECJ)
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Vcc
A15
A17
WE\
A13
A8
A9
A11
OE\
A10
CE\
I/O7
I/O6
I/O5
I/O4
I/O3
FEATURES
•
•
•
•
•
•
High Speed: 12, 15, 17, 20, 25, 35 and 45ns
High-performance, low power military grade device
Single +5V ±10% power supply
Easy memory expansion with CE\ and OE\ options
All inputs and outputs are TTL-compatible
Ease of upgradability from 1 Meg using the 32 pin
evolutionary version.
OPTIONS
•
Timing
12ns access
15ns access
17ns access
20ns access
25ns access
35ns access
45ns access
•
Operating Temperature Range
Military: -55
o
C to +125
o
C
Industrial: -40
o
C to +85
o
C
•
Packages
Ceramic Dip (600 mil)
Ceramic Flatpack
Ceramic LCC
Ceramic SOJ
• Options
2V data retention/ low power
MARKING
-12
-15
-17
-20
-25
-35
-45
XT
IT
CW
F
EC
ECJ
L
No. 112
No. 304
No. 209
No. 502
32-Pin Flat Pack (F)
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Vcc
A15
A17
WE\
A13
A8
A9
A11
OE\
A10
CE\
I/O7
I/O6
I/O5
I/O4
I/O3
NOTE:
Not all combinations of operating temperature, speed, data retention and
low power are necessarily available. Please contact factory for availability of specific
part number combinations.
GENERAL DESCRIPTION
The AS5C4008 is a 4 megabit monolithic CMOS SRAM, orga-
nized as a 512K x 8.
The evolutionary 32 pin device allows for easy upgrades from
the 1 meg SRAM.
For flexibility in high-speed memory applications, Micross of-
fers chip enable (CE\) and output enable (OE\) capabilities. These
enhancements can place the outputs in High-Z for additional flexibility
in system design.
Writing to these devices is accomplished when write enable
(WE\) and CE\ inputs are both LOW. Reading is accomplished when
WE\ remains HIGH and CE\ and OE\ go LOW. This allows systems
designers to meet low standby power requirements.
All devices operate from a single +5V power supply and all inputs
are fully TTL-Compatible.
AS5C4008
Rev. 6.4 01/10
For more products and information
please visit our web site at
www.micross.com
Micross Components reserves the right to change products or specifications without notice.
1
MICROSS [ MICROSS COMPONENTS ]
