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

White Electronic Designs

WS128K32-XG2TXE

December 2000

Rev. 0

ADVANCED*

128Kx32 SRAM MULTICHIP PACKAGE, RADIATION TOLLERANT

TTL Compatible Inputs and Outputs

Built in Decoupling Caps and Multiple Ground Pins

for Low Noise Operation

Weight

WS128K32-XG2TXE – 8 grams typical

Radiation tolerant with epitaxial layer on die.

6T memory cells provide excellent protection

against soft errors

* This product is under development, is not qualified or characterized and is subject to

change or cancellation without notice.

FEATURES

Access Times of 35, 45, 55ns

Packaging

• 68 lead, 22.4mm CQFP (G2T), 4.57mm (0.180"),

(Package 509)

Organized as 128Kx32; User Configurable as

256Kx16 or 512Kx8

Low Power Data Retention

Commercial, Industrial and Military Temperature

Ranges

5V Power Supply

Low Power CMOS

Pin Description

Data Inputs/Outputs

Address Inputs

Write Enables

Chip Selects

OE#

Output Enable

Power Supply

GND

Ground

NC

Not Connected

Block Diagram

Top View

FIGURE 1 – PIN CONFIGURATION FOR WS128K32N-XG2TXE

128K x 8

128K x 8

128K x 8

128K x 8

OE#

88

8

8

GND

GND

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

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

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

The White 68 lead G2T CQFP fills

the same fit and function as the

JEDEC 68 lead CQFJ or 68 PLCC.

But the G2T has the TCE and lead

inspection advantage of the CQFP

form.