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

White Electronic Designs

WF2M32-XXX5

October 2004

Rev. 5

FIGURE 1 – PIN CONFIGURATION FOR WF2M32-XHX5

Top View

Block Diagram

2M x 8

8

2M x 8

8

2M x 8

8

2M x 8

8

OE#

WE1# CS1#

WE2# CS2#

WE3# CS3#

WE4# CS4#

2Mx32 5V Flash Module

Organized as 2Mx32

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.

Built in Decoupling Caps and Multiple Ground Pins

for Low Noise Operation, Separate Power and

Ground Planes to improve noise immunity

* This product is subject to change without notice.

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

FEATURES

Access Time of 90, 120, 150ns

Packaging:

• 66 pin, PGA Type, 1.185" square, Hermetic

Ceramic HIP (Package 401).

• 68 lead, Hermetic CQFP (G2U), 22.4mm (0.880")

square (Package 510) 3.56mm (0.140") height.

Designed to fit JEDEC 68 lead 0.990" CQFJ

footprint (FIGURE 3)

Sector Architecture

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

chip

• Any combination of sectors can be erased. Also

supports full chip erase.

Minimum 100,000 Write/Erase Cycles Minimum

figuration. See Alternate Pin Configuration with RESET# tied to pin

12 for system control of reset (FIGURE 10, page 11).

GND

OE#

GND

11

22

33

44

55

66

1

12

23

34

45

56

Pin Description

I/O0-31

Data Inputs/Outputs

A0-20

Address Inputs

WE1-4#

Write Enables

CS1-4#

Chip Selects

OE#

Output Enable

VCC

Power Supply

GND

Ground