WMS512K8BV-XXXE
White Electronic Designs
512Kx8 MONOLITHIC SRAM
FEATURES
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Low Voltage Operation:
• 3.3V 10ꢀ Power Supplꢁ
BiCMOS:
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Access Times 15, 17, 20ns
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Revolutionary, Center Power/Ground Pinout JEDEC Approved
• 36 lead Ceramic SOJ (Package 100)
• Radiation Tolerant with Epitaxial Layer Die
Commercial and Industrial Temperature Ranges
TTL Compatible Inputs and Outputs
Fully Static Operation:
• 36 lead Ceramic Flat Pack (Package 226)
Evolutionary, Corner Power/Ground Pinout JEDEC Approved
• 32 pin Ceramic DIP (Package 300)
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• 32 lead Ceramic SOJ (Package 101)
• No clock or refresh required.
Three State Output
• 32 lead Ceramic Flat Pack (Package 220)
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This product is subject to change without notice.
REVOLUTIONARY PINOUT
EVOLUTIONARY PINOUT
32 DIP
36 FLAT PACK
36 CSOJ
32 CSOJ (DE)
32 FLAT PACK (FE)
TOP VIEW
TOP VIEW
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
GND 16
1
2
3
4
5
6
7
8
9
32 VCC
31 A15
30 A17
29 WE#
28 A13
27 A8
A0
A1
A2
A3
A4
CS#
I/O0
I/O1
VCC
GND
I/O2
I/O3
WE#
A5
1
2
3
4
5
6
7
8
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
GND
VCC
I/O5
I/O4
A14
A13
A12
A11
A10
NC
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
9
10
11
12
13
14
15
16
17
18
A6
A7
A8
A9
PIN DESCRIPTION
A0-18
Address Inputs
Data Input/Output
Chip Select
I/O0-7
CS#
OE#
WE#
VCC
Output Enable
Write Enable
Power Supply
Ground
GND
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
December 1999
Rev. 3
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com