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White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

WMS512K8-XXX

October 2004

Rev. 10

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

512Kx8 MONOLITHIC SRAM, SMD 5962-95613

32 pin, Rectangular Ceramic Leadless Chip

Carrier (Package 601)

Commercial, Industrial and Military

Temperature Range

5V Power Supply

Low Power CMOS

Low Power Data Retention for Battery Back-up

Operation

TTL Compatible Inputs and Outputs

*This product is subject to change without notice.

FEATURES

Access Times 15, 17, 20, 25, 35, 45, 55ns

MIL-STD-883 Compliant Devices Available

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)

TOP VIEW

PIN DESCRIPTION

EVOLUTIONARY PINOUT

REVOLUTIONARY PINOUT

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

A0

A1

A2

A3

A4

CS#

I/O0

I/O1

I/O2

I/O3

WE#

A5

A6

A7

A8

A9

NC

A18

A17

A16

A15

OE#

I/O7

I/O6

I/O5

I/O4

A14

A13

A12

A11

A10

NC

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

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

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

4 3 2 1 32 31 30

14 15 16 17 18 19 20

A7

A6

A5

A4

A3

A2

A1

A0

WE#

A13

A8

A9

A11

OE#

A10

CS#

I/O7

36 FLAT PACK

36 CSOJ

TOP VIEW

TOP VIEW

32 DIP

32 CSOJ (DE)

32 FLAT PACK (FF)

32 CLCC

A0-18

Address Inputs

I/O 0-7

Data Input/Output

CS#

Chip Select

OE#

Output Enable

WE#

Write Enable

+5.0V Power

GND

Ground