WMS128K8-XXX
White Electronic Designs
128Kx8 MONOLITHIC SRAM, SMD 5962-96691
FEATURES
32 pin, Rectangular Ceramic Leadless Chip Carrier
(Package 601)
Access Times 15, 17, 20, 25, 35, 45, 55ns
MIL-STD-883 Compliant Devices Available
Revolutionary, Center Power/Ground Pinout JEDEC
Approved
Commercial, Industrial and Military Temperature
Range
• 32 lead Ceramic SOJ (Package 101)
5 Volt Power Supply
Low Power CMOS
• 36 lead Ceramic Flat Pack (Package 226)
Evolutionary, Corner Power/Ground Pinout JEDEC
Approved
2V Data Retention Devices Available
(Low Power Version)
• 32 pin Ceramic DIP (Package 300)
• 32 lead Ceramic SOJ (Package 101)
• 32 lead Ceramic Flat Pack (Package 206)
TTL Compatible Inputs and Outputs
This product is subject to change without notice.
Revolutionary Pinout
Evolutionary Pinout
32 DIP
36 FLAT PACK
32 CSOJ (DR)
32 CSOJ (DE)
32 FLATPACK (FE)
32 CLCC
Top View
Top View
Top View
Top View
NC
A0
A1
A2
A3
CS#
I/O0
I/O1
1
2
3
4
5
6
7
8
36 NC
35 A16
34 A15
33 A14
32 A13
31 OE#
30 I/O7
29 I/O6
28 GND
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
32
VCC
A0
A1
A2
1
2
3
4
5
6
7
8
32 A16
31 A15
30 A14
29 A13
28 OE#
27 I/O8
26 I/O7
25 GND
31 A15
30 NC
29 WE#
28 A13
27 A8
4
3
2
1
32 31 30
29 WE#
A7
A6
A5
A4
A3
A2 10
A1 11
A0 12
I/O0 13
5
6
7
8
9
A3
28 A13
27 A8
26 A9
25 A11
24 OE#
23 A10
22 CS#
21 I/O7
CS#
I/O1
I/O2
26 A9
25 A11
24 OE#
23 A10
22 CS#
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
V
CC
9
V
CC
9
GND
I/O3
I/O4
WE#
A4
A5
A6
A7
9
24
VCC
10
11
12
13
14
15
16
GND
I/O2
I/O3
WE#
A4
A5
A6
A7
NC
10
11
12
13
14
15
16
17
18
27
VCC
10
11
12
13
14
15
16
23 I/O6
22 I/O5
21 A12
20 A11
19 A10
18 A9
26 I/O5
25 I/O4
24 A12
23 A11
22 A10
21 A9
14 15 16 17 18 19 20
17 A8
20 A8
19 NC
Pin Description
A0-16
Address Inputs
Data Input/Output
Chip Select
I/O0-7
CS
OE
Output Enable
Write Enable
+5.0V Power
Ground
WE
VCC
GND
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
September 2002
Rev. 5
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com