White Electronic Designs
512Kx8 MONOLITHIC SRAM
FEATURES
Access Times 15, 17, 20ns
Revolutionary, Center Power/Ground Pinout JEDEC
Approved
• 36 lead Ceramic SOJ (Package 100)
• 36 lead Ceramic Flat Pack (Package 226)
Evolutionary, Corner Power/Ground Pinout JEDEC
Approved
• 32 pin Ceramic DIP (Package 300)
• 32 lead Ceramic SOJ (Package 101)
• 32 lead Ceramic Thinpack™ Flat Pack
(Package 321)
32 pin, Rectangular Ceramic Leadless Chip Carrier
(Package 601)
Low Power CMOS
WMS512K8V-XXX
Low Voltage Operation
• 3.3V ± 10% Power Supply
Commercial, Industrial and Military Temperature
Range
TTL Compatible Inputs and Outputs
Fully Static Operation:
• No clock or refresh required
Three State Output
* This product is subject to change without notice.
REVOLUTIONARY PINOUT
36 FLAT PACK
36 CSOJ
TOP VIEW
A0
A1
A2
A3
A4
CS#
I/O0
I/O1
V
CC
V
SS
I/O2
I/O3
WE#
A5
A6
A7
A8
A9
EVOLUTIONARY PINOUT
32 DIP
32 CSOJ (DE)
32 FLAT PACK (FF)
TOP VIEW
32 CLCC
TOP VIEW
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
CS#
I/O7
I/O6
I/O5
I/O4
I/O3
A12
A14
A16
A18
A15
A17
WE#
A13
A8
A9
A11
OE#
A10
CS#
I/O7
I/O6
V
CC
I/O4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
NC
A18
A17
A16
A15
OE#
I/O7
I/O6
V
SS
V
CC
I/O5
I/O4
A14
A13
A12
A11
A10
NC
I/O1
I/O2
I/O3
PIN DESCRIPTION
A0-18
I/O 0-7
CS#
OE#
WE#
V
CC
V
SS
Address Inputs
Data Input/Output
Chip Select
Output Enable
Write Enable
Power Supply
Ground
October 2004
Rev. 8
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
I/O5
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
4 3 2 1 32 31 30
A7
A6
A5
A4
A3
A2
A1
A0
I/O
0
5
29
6
28
7
27
8
26
25
9
10
24
23
11
12
22
13
21
14 15 16 17 18 19 20
V
SS
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
