WF2M32-XXX5
2Mx32 5V NOR FLASH MODULE
FEATURES
Access Time of 90, 120, 150ns
5 Volt Read and Write
Low Power CMOS
Packaging:
Data# Polling and Toggle Bit feature for detection of
• 66 pin, PGA Type, 1.185" square, Hermetic Ceramic HIP
(Package 401).
program or erase cycle completion.
Supports reading or programming data to a sector not being
• 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)
erased.
RESET# pin resets internal state machine to the read
mode.
Sector Architecture
Built in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation, Separate Power and Ground Planes to
improve noise immunity
• 32 equal size sectors of 64KBytes per each 2Mx8 chip
• Any combination of sectors can be erased. Also supports
full chip erase.
* This product is subject to change without notice.
Note: For programming information and waveforms refer to Flash Programming 16M5 Application
Note AN0038. RESET# and RY/BY# function and timings don't apply to this device.
Minimum 100,000 Write/Erase Cycles Minimum
Organized as 2Mx32
Commercial, Industrial, and Military Temperature Ranges
FIGURE 1 – PIN CONFIGURATION FOR WF2M32-XHX5
Top View
Pin Description
I/O0-31
A0-20
WE1-4#
CS1-4#
OE#
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
1
12
23
34
45
56
I/O8
I/O9
I/O10
A14
A16
A11
A0
WE2#
CS2#
GND
I/O11
A10
I/O15
I/O24
I/O25
I/O26
A7
VCC
CS4#
WE4#
I/O27
A4
I/O31
I/O30
I/O29
I/O28
A1
I/O14
I/O13
I/O12
OE#
A17
Output Enable
Power Supply
Ground
VCC
GND
A12
Block Diagram
A9
A20
A5
A2
WE1# CS1#
2M x 8
WE2# CS2#
WE3# CS3#
WE4# CS4#
2M x 8
A15
WE1#
I/O7
A13
A6
A3
OE#
A0-20
A18
I/O0
I/O1
I/O2
VCC
A8
WE3#
CS3#
GND
I/O19
I/O23
I/O22
I/O21
I/O20
2M x 8
2M x 8
CS1#
A19
I/O6
I/O16
I/O17
I/O18
I/O5
8
8
8
8
I/O3
I/O4
I/O16-23
I/O24-31
I/O0-7
I/O8-15
11
22
33
44
55
66
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).
Microsemi Corporation reserves the right to change products or specifications without notice.
August 2014 © 2014 Microsemi Corporation. All rights reserved.
Rev. 11
1
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp