White Electronic Designs
4Mx32 FLASH MODULE
DESCRIPTION
The WED7F324XE3SN is organized as a 4Mx32 鏗俛sh
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
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4Mx32
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Based on AMD - AM29LV033C Flash Device
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Fast Read Access Time - 80ns
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3.3V-Only Reprogramming
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Single power supply operation
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Regulated voltage range: 3.0V to 3.6V read and
write operations and for compatibility with high
performance 3.3V microprocessors.
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Flexible sector architecture
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Sixty-four 64 Kbyte sectors
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High performance
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Access times as fast as 70ns
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Program time: 7碌s/byte typical utilizing Accerlate
function
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Minimum 1 million write cycles guaranteed per sector
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Supports Common Flash Memory Interface (CFI)
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Erase Suspend/Erase Resume
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Suspends erase operations to allow
programming in same bank
飦?/div>
Data# Polling and Toggle Bits
飦?/div>
Provides a software method of detecting the
status of program or erase cycles
飦?/div>
Commercial and Industrial Temperature Range
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Package
飦?/div>
80 PIN SIMM (JEDEC)
White Electronic Designs Corp. reserves the right to change products or speci鏗乧ations without notice.
April 2002 Rev. A
1
White Electronic Designs Corporation 鈥?(602) 437-1520 鈥?www.wedc.com
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