WMS128K8-XXX
HI-RELIABILITY PRODUCT
128Kx8 MONOLITHIC SRAM, SMD 5962-96691 (pending)
FEATURES
■ Access Times 70, 85, 100, 120ns
■ Commercial, Industrial and Military Temperature Range
■ 5 Volt Power Supply
■ Revolutionary, Center Power/Ground Pinout
JEDEC Approved
■ Low Power CMOS
• 32 lead Ceramic SOJ (Package 101)
■ 2V Data Retention Devices Available
■ Evolutionary, Corner Power/Ground Pinout
(Low Power Version)
JEDEC Approved
■ TTL Compatible Inputs and Outputs
• 32 pin Ceramic DIP (Package 300)
• 32 lead Ceramic SOJ (Package 101)
• 32 lead Ceramic Flat Pack (Package 206)
■ MIL-STD-883 Compliant Devices Available
REVOLUTIONARY PINOUT
EVOLUTIONARY PINOUT
32 DIP
32 CSOJ (DE)
32 FLATPACK (FE)
32 CSOJ (DR)
TOP VIEW
TOP VIEW
A0
A1
1
32 A16
31 A15
30 A14
29 A13
28 OE
27 I/O8
26 I/O7
25 GND
NC
A16
A14
A12
A7
1
32
VCC
2
2
31 A15
30 NC/CS2*
29 WE
28 A13
27 A8
A2
3
3
A3
4
4
CS
5
5
I/O1
I/O2
6
A6
6
7
A5
7
26 A9
VCC
8
A4
8
25 A11
24 OE
23 A10
22 CS
GND
I/O3
I/O4
WE
A4
9
24
VCC
A3
9
10
11
12
13
14
15
16
23 I/O6
22 I/O5
21 A12
20 A11
19 A10
18 A9
A2
10
11
12
13
14
15
16
A1
A0
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
I/O0
I/O1
I/O2
GND
A5
A6
A7
17 A8
* NC for single chip select devices
CS2 for dual chip select devices
PIN DESCRIPTION
A0-16
I/O0-7
CS
Address Inputs
Data Input/Output
Chip Select
OE
Output Enable
Write Enable
+5.0V Power
Ground
WE
VCC
GND
October 2000 Rev. 3
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com