1

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

White Electronic Designs

WF8M32-XG4DX5

October 1999

Rev. 3

ADVANCED*

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

8Mx32 5V FLASH MODULE

FEATURES

Access Time of 100, 120, 150ns

Packaging:

• 68 Lead, 40 mm (1.560") square hermetic CQFP,

5.2 mm (0.205") high (Package 503)

Sector Architecture

• 32 equal size sectors of 64KBytes per each 2Mx8

chip

• Any combination of sectors can be erased. Also

supports full chip erase.

100,000 Write/Erase Cycles Minimum

Organized as 8Mx32

Commercial, Industrial, and Military Temperature

Ranges

5 Volt Read and Write. 5V ± 10% Supply.

Low Power CMOS

Data# Polling and Toggle Bit feature for detection of

program or erase cycle completion.

Supports reading or programming data to a sector

not being erased.

RESET# pin resets internal state machine to the

read mode. (Not available in HIP package for

WF2M32-XHX5)

Built-in Decoupling Caps and Multiple Ground Pins

for Low Noise Operation, Seperate Power and

Ground Planes to improve noise immunity.

Built in Buffering.

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

change or cancellation without notice.

Note: For programming information refer to Flash Programming 16M5 Application Note.

PIN DESCRIPTION

I/O0-31

Data Inputs/Outputs

A0-22

Address Inputs

WE

Write Enable

CS1-4

Chip Selects

OE

Output Enable

VCC

Power Supply

RESET

Reset

GND

Ground

NC

Not Connected

FIGURE 1 – PIN CONFIGURATIONFOR

WF8M32-XG4DX5

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

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

GND

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

I/O16

I/O17

I/O18

I/O19

I/O20

I/O21

I/O22

I/O23

GND

I/O24

I/O25

I/O26

I/O27

I/O28

I/O29

I/O30

I/O31

BLOCK DIAGRAM

Top View

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

2M x 8

I/O0-31

1

4

1

1

23

1

4

1

1

23

CS1#

8

8

8

8

CS2#

CS3#

CS4#

32

RESET#

CS1-4#

WE#

OE#

A0-22

CS1# selects I/O0-7, CS2# selects I/O8-15, CS3# selects I/O16-23, CS4# selects I/O24-31