White Electronic Designs
4Mx32 FLASH MODULE
DESCRIPTION
The WED7F324XE3SN is organized as a 4Mx32 flash
module. The module is based on AMDs AM29LV033C -
4Mx8 Flash device in TSOP packages which are mounted
on an FR4 substrate.
The module offers access times between 70 and 120ns
allowing for operation of high-speed microprocessors
without wait states.
WED7F324XE3SN
FIG. 1
BLOCK DIAGRAM
4Mx32 80 PIN SIMM
E0#
A0-A2
G#
4Mx8
W0#
4Mx8
W1#
4Mx8
W2#
4Mx8
W3#
DQ24-DQ31
DQ16-DQ23
DQ8-DQ15
DQ0-DQ7
FEATURES
4Mx32
Based on AMD - AM29LV033C Flash Device
Fast Read Access Time - 80ns
3.3V-Only Reprogramming
Single power supply operation
Regulated voltage range: 3.0V to 3.6V read and
write operations and for compatibility with high
performance 3.3V microprocessors.
Flexible sector architecture
Sixty-four 64 Kbyte sectors
High performance
Access times as fast as 70ns
Program time: 7µs/byte typical utilizing Accerlate
function
Minimum 1 million write cycles guaranteed per sector
Supports Common Flash Memory Interface (CFI)
Erase Suspend/Erase Resume
Suspends erase operations to allow
programming in same bank
Data# Polling and Toggle Bits
Provides a software method of detecting the
status of program or erase cycles
Commercial and Industrial Temperature Range
Package
80 PIN SIMM (JEDEC)
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 2002 Rev. A
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
