White Electronic Designs
WF2M32-XXX5
2Mx32 5V Flash Module
FEATURES
Access Time of 90, 120, 150ns
Organized as 2Mx32
Packaging:
Commercial, Industrial, and Military
Temperature Ranges
• 66 pin, PGA Type, 1.185" square, Hermetic
Ceramic HIP (Package 401).
5 Volt Read and Write. 5V ± 10% Supply.
Low Power CMOS
• 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)
Data# Polling and Toggle Bit feature for detection of
program or erase cycle completion.
Sector Architecture
Supports reading or programming data to a sector
not being erased.
• 32 equal size sectors of 64KBytes per each 2Mx8
chip
RESET# pin resets internal state machine to the
read mode.
• Any combination of sectors can be erased. Also
supports full chip erase.
Built in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation, Separate Power and
Ground Planes to improve noise immunity
Minimum 100,000 Write/Erase Cycles Minimum
* This product is subject to change without notice.
Note: For programming information refer to Flash Programming 16M5 Application Note.
FIGURE 1 – PIN CONFIGURATION FOR WF2M32-XHX5
Top View
1
12
Pin Description
23
34
45
I/O0-31
A0-20
WE1-4#
CS1-4#
OE#
VCC
GND
56
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
I/O8
WE2#
I/O15
I/O24
VCC
I/O31
I/O9
CS2#
I/O14
I/O25
CS4#
I/O30
I/O10
GND
I/O13
I/O26
WE4#
I/O29
A14
I/O11
I/O12
A7
I/O27
I/O28
A16
A10
OE#
A12
A4
A1
A11
A9
A17
A20
A5
A2
A0
A15
WE1#
A13
A6
A3
A18
VCC
I/O7
A8
WE3#
I/O23
I/O0
CS1#
I/O6
I/O16
CS3#
I/O22
8
8
8
8
I/O1
A19
I/O5
I/O17
GND
I/O21
I/O0-7
I/O8-15
I/O16-23
I/O24-31
I/O2
I/O3
I/O4
I/O18
I/O19
I/O20
Block Diagram
WE1# CS1#
2M x 8
11
October 2004
Rev. 5
22
33
44
55
WE2# CS2#
WE3# CS3#
WE4# CS4#
OE#
A0-20
2M x 8
2M x 8
2M x 8
RESET# internally tied to VCC in the HIP package for this pin configuration. See Alternate Pin Configuration with RESET# tied to pin
12 for system control of reset (FIGURE 10, page 11).
66
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
