White Electronic Designs
FEATURES
WED7F324XDNSN
4Mx32 / 2x4Mx32; INTEL J3 BASED, FLASH MODULE
4Mx32 and 2x4mx32 Densities
Based on Intel's Strataflash (J3) family of Flash
Devices
E28F320J3
(32) 128Kb Erase Blocks (Symetrical)
High Performance Interface Async Page Mode Reads
120/25 ns Read Access Time
2.7V - 3.6V V
CC
Operation
128 bit Protection Register;
64 bit Unique Device Identifier
64 bit User Programmable OTP Cells
Common Flash Interface (CFI)
Scaleable Command Set (SCS)
32 byte Write Buffer, 32M Total Erase Cycles
100,000 Erase Cycles per Block
Package
80 pin SIMM
W3#
W2#
W1#
W0#
FIG. 1 BLOCK DIAGRAMS
WED7F324DNSN: 4Mx32 80 PIN SIMM
A0-A21
E0#
G#
4Mx8
DQ0-7
4Mx8
DQ8-15
4Mx8
DQ16-23
4Mx8
DQ24-31
DESCRIPTION
The WED7F324XDNSN and WED7F2324XDNSN are
organized as one and two banks of 4Mx32 respectively.
The modules are based on Intel's E28F320J3, 4Mx8 /
2Mx16 device family. Both modules offer access times
of 120ns.
A0-A21
E0#
G#
WED7F2324XDNSN: 2x4Mx32 80 PIN SIMM
A0-A21
E0#
G#
4Mx8
W0#
DQ0-7
W0#
4Mx8
DQ0-7
4Mx8
W1#
DQ8-15
W1#
4Mx8
DQ8-15
4Mx8
W2#
DQ16-23
W2#
4Mx8
DQ16-23
4Mx8
W3#
DQ24-31
W3#
4Mx8
DQ24-31
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept, 2002
Rev. 0A
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
