White Electronic Designs
WED7Fx325ZXEBSNyyC
2, 4, and 8MB, STmicro, 5.0V 4Mb Based, Uniform Sector FLASH Module Family
FEATURES
2, 4, and 8MB Density FLASH Modules Organized as; 512K x 32, 2 x 512K x 32, and 4 x 512K x 32 Based on STmicro's M29F040B 5.0V FLASH Device Base Component DEVICE ID = E2h Base Component MANUFACTURERS ID = 20h Uniform Sector Architecture Sector Erase Sector Protection Embedded Erase Algorithm Embedded Program Algorithm (AMD Compatible) Data Polling and Toggle Bit for Detection 100,000 Program/Erase Cycles per Block 20 Year Data Retention
PIN CONFIGURATION
PIN# PIN Name PIN# PIN Name PIN# PIN Name PIN# PIN Name 1 VSS 21 (Note 1) 41 A11 61 DQ9 2 VCC 22 (Note 1) 42 A10 62 DQ8 3 NC 23 (Note 1) 43 A9 63 DQ7 4 G# 24 (Note 1) 44 A8 64 DQ6 5 W0# 25 VSS 45 A7 65 DQ5 6 W1# 26 DQ29 46 A6 66 DQ4 7 NC 27 DQ30 47 A5 67 DQ3 8 DQ16 28 DQ31 48 A4 68 DQ2 9 DQ17 29 W2# 49 A3 69 DQ1 10 DQ18 30 NC 50 A2 70 DQ0 11 DQ19 31 NC 51 A1 71 NC 12 DQ20 32 NC 52 A0 72 VCC 13 DQ21 33 NC 53 W3# 73 PD1 14 DQ22 34 A18 54 VSS 74 PD2 15 DQ23 35 A17 55 DQ15 75 PD3 16 DQ24 36 A16 56 DQ14 76 PD4 17 DQ25 37 A15 57 DQ13 77 PD5 18 DQ26 38 A14 58 DQ12 78 PD6 19 DQ27 39 A13 59 DQ11 79 PD7 20 DQ28 40 A12 60 DQ10 80 VSS
Note 1: Bank Enable
DESCRIPTION
The WED7F325ZXEBSN, WED7F2325ZXEBSN, and WED7F4325ZXEBSN are organized as 512K x 32, 2 x 512K x 32 and 4 x 512K x 32 respectively. The modules are based on 4Mb TSOP components from STmicro which are mounted onto an FR4 substrate. The Modules are offered in Access Speeds from 70 to 150ns with an Operation Voltage Requirement of 5.0V ±10%.
PRESENCE DETECT PINS; MODULE DENSITY
SIMM Density 512K x 32 2 x 512K x 32 4 x 512K x 32 Presence Select Pin PD1 VSS Open VSS PD2 VSS Open Open PD3 VSS Open Open PD4 Open VSS VSS
SIMM Density 512K x 32 2 x 512K x 32 4 x 512K x 32
Pin 24 E0 E0 E0
Pin 23 NC E1 E1
Pin 22 NC NC E2
Pin 21 NC NC E3
PIN NAME, DEFINITION
A0-19 DQ0-31 Address Inputs Common Data Input/Output Byte Write Enables Bank Enable Output Enable Presence Detect No Connect Power 5V ± 10% Ground
PIN CAPACITANCE
Parameter Sym Pins Input Capacitance CIN Address Input Capacitance CIN G# Output Capacitance CIO Input/Output Data Bus Input Capacitance CIN E0-3# Input Capacitance CIN W0-3#
March 2000 Rev. 0
W0-3# E0-3# 2MB Value 20pF 20pF 5pF 20pF 5pF 4MB Value 40pF 40pF 10pF 20pF 10pF 8MB Value 80pF 80pF 20pF 20pF 20pF
1
G# PD0-7 NC VCC VSS
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
ORDERING INFORMATION 2MB, 512K X 32
Part Number WED7F325ZXEBSN70C WED7F325ZXEBSN90C WED7F325ZXEBSN12C WED7F325ZXEBSN15C Density 2MB 2MB 2MB 2MB Speed 70ns 90ns 120ns 150ns Package 366 366 366 366
WED7Fx325ZXEBSNyyC
8MB, 4 X 512K X 32
Part Number WED7F4325ZXEBSN90C WED7F4325ZXEBSN12C WED7F4325ZXEBSN15C Density 8MB 8MB 8MB Speed 90ns 120ns 150ns Package 368 368 368
4MB, 2 X 512K X 32
Part Number WED7F2325ZXEBSN70C WED7F2325ZXEBSN90C WED7F2325ZXEBSN12C WED7F2325ZXEBSN15C Density 4MB 4MB 4MB 4MB Speed 70ns 90ns 120ns 150ns Package 367 367 367 367
FIGURE 1 – FUNCTIONAL BLOCK DIAGRAM 2MB; 512K X 32
FIGURE 2 – FUNCTIONAL BLOCK DIAGRAM 4MB; 2 X 512K X 32
A0-18 E0# G# 512K x 8
M29F040
A0-18 G# E0# 512K x 8 512K x 8
M29F040
DQ0-7
DQ0-7
W0#
M29F040
W0#
512K x 8 512K x 8
M29F040
DQ8-15
512K x 8
M29F040
DQ8-15
M29F040
W1#
W1# 512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
DQ16-23
DQ16-23
W2#
512K x 8
M29F040
512K x 8
M29F040
DQ24-31
W2#
W3#
512K x 8
M29F040
DQ24-31
E1#
W3#
March 2000 Rev. 0
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WED7Fx325ZXEBSNyyC
FIGURE 3 – FUNCTIONAL BLOCK DIAGRAM 8MB; 4 X 512K X 32
A0-18 G# E0# 512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
DQ0-7
W0#
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
DQ8-15
W1#
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
DQ16-23
W2#
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
512K x 8
M29F040
DQ24-31
W3# E1# E2# E3#
FIG. 4 – MECHANICAL; PACKAGE - 366
4.655 MAX 4.384 0.705 MAX 0.250 0.120 MAX
P1
R4
0.400
0.050 TYP 0.062 R 2.245
0.250 4.150
0.062 R 2.192
0.125 MIN
March 2000 Rev. 0
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WED7Fx325ZXEBSNyyC
FIGURE 5 – MECHANICAL; PACKAGE - 367
4.655 MAX 4.384
0.125 DIA (2x)
R1 R3
0.170 MAX 0.705 0.400 MAX 0.125 MIN 0.225 MIN
REV. #
R2 R4
0.250
P1
0.050 TYP
0.250 4.150
FIGURE 6 – MECHANICAL; PACKAGE - 368
4.655 MAX 4.384 0.200 MAX
J1 J2 J3 J4 J5 J6 J7
1.135
0.400
P1
0.050 TYP 0.062 R (2x)
0.250 0.125 DIA (2x) 4.150 2.192 0.125 MIN
2.245
March 2000 Rev. 0
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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