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

White Electronic Designs

WSF128K16-XXX

May 2003

Rev. 6

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

Top View

Block Diagram

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

9

8

7

6

5

4

3

2

1 68 67 66 65 64 63 62 61

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

GND

GND

128K x 8

SRAM

128K x 8

SRAM

128K x 8

FLASH

128K x 8

FLASH

8

8

8

8

OE#

NOTE 1: Package not recommended for new designs

Pin Description

FD0-15

Flash Data Inputs/Outputs

SD0-15

SRAM Data Inputs/Outputs

A0-16

Address Inputs

SWE1-2#

SRAM Write Enable

SCS1-2#

SRAM Chip Selects

OE#

Output Enable

Power Supply

GND

Ground

NC

Not Connected

FWE1-2#

Flash Write Enable

FCS1-2#

Flash Chip Select