WMS128K8-XXX
White Electronic Designs
128Kx8 MONOLITHIC SRAM, SMD 5962-96691
FEATURES
n
32 pin, Rectangular Ceramic Leadless Chip Carrier
(Package 601)
n
Access Times 15, 17, 20, 25, 35, 45, 55ns
n
n
n
n
n
MIL-STD-883 Compliant Devices Available
Commercial, Industrial and Military Temperature Range
5 Volt Power Supply
n
Revolutionary, Center Power/Ground Pinout
JEDEC Approved
• 32 lead Ceramic SOJ (Package 101)
• 36 lead Ceramic Flat Pack (Package 226)
Low Power CMOS
n
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)
n
TTL Compatible Inputs and Outputs
REVOLUTIONARY PINOUT
EVOLUTIONARY PINOUT
32 DIP
36 FLAT PACK
32 CSOJ (DR)
TOP VIEW
32 CSOJ (DE)
32 FLATPACK (FE)
32 CLCC
TOP VIEW
TOP VIEW
TOP VIEW
NC
A16
A14
A12
A7
1
32
VCC
NC
A0
1
2
3
4
5
6
7
8
9
36 NC
35 A16
34 A15
33 A14
32 A13
31 OE
30 I/O7
29 I/O6
28 GND
A0
A1
1
32 A16
2
31 A15
30 NC
29 WE
28 A13
27 A8
2
31 A15
30 A14
29 A13
28 OE
27 I/O8
26 I/O7
25 GND
4
3
2
1
32 31 30
29 WE
3
A1
A2
3
A7
A6
A5
A4
A3
5
6
7
8
9
4
A2
A3
4
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CS
21 I/O7
5
A3
CS
5
A6
6
CS
I/O0
I/O1
I/O1
I/O2
6
A5
7
26 A9
7
A4
8
25 A11
24 OE
23 A10
22 CS
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
VCC
8
A2 10
A1 11
A0 12
A3
9
V
CC
GND
I/O3
I/O4
WE
A4
9
24
VCC
A2
10
11
12
13
14
15
16
GND
I/O2
I/O3
WE
A4
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
A1
26 I/O5
25 I/O4
24 A12
23 A11
22 A10
21 A9
A0
I/O0
13
14 15 16 17 18 19 20
I/O0
I/O1
I/O2
GND
A5
A5
A6
A6
A7
17 A8
A7
20 A8
NC
19 NC
PIN DESCRIPTION
Address Inputs
A0-16
I/O0-7
CS
Data Input/Output
Chip Select
OE
Output Enable
Write Enable
+5.0V Power
Ground
WE
VCC
GND
September 2002 Rev. 5
1
White Electronic Designs Corporation (602) 437-1520 wwwꢀwhiteedcꢀcom