1
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED7Fx325ZXEBSNyyC
March 2000 Rev. 0
2, 4, and 8MB, STmicro, 5.0V 4Mb Based,
Uniform Sector FLASH Module Family
FEATURES
s 2, 4, and 8MB Density FLASH Modules
s Organized as; 512K x 32, 2 x 512K x 32, and 4 x 512K x 32
s Based on STmicro's M29F040B 5.0V FLASH Device
s Base Component DEVICE ID = E2h
s Base Component MANUFACTURERS ID = 20h
s Uniform Sector Architecture
s Sector Erase
s Sector Protection
s Embedded Erase Algorithm
s Embedded Program Algorithm (AMD Compatible)
s Data Polling and Toggle Bit for Detection
s 100,000 Program/Erase Cycles per Block
s 20 Year Data Retention
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%.
PIN CONFIGURATION
PRESENCE DETECT PINS;
MODULE DENSITY
PIN NAME, DEFINITION
PIN CAPACITANCE
A
0-19
Address Inputs
DQ
0-31
Common Data Input / Output
W
0-3
Byte Write Enables
E
0-3
Bank Enable
G
Output Enable
PD
0-7
Presence Detect
NC
No Connect
V
CC
Power 5V
10%
V
SS
Ground
PIN# PIN Name
PIN# PIN Name
PIN# PIN Name
PIN# PIN Name
1
V
SS
21
(Note 1)
41
A
11
61
DQ
9
2
V
CC
22
(Note 1)
42
A
10
62
DQ
8
3
NC
23
(Note 1)
43
A
9
63
DQ
7
4
G
24
(Note 1)
44
A
8
64
DQ
6
5
W
0
25
V
SS
45
A
7
65
DQ
5
6
W
1
26
DQ
29
46
A
6
66
DQ
4
7
NC
27
DQ
30
47
A
5
67
DQ
3
8
DQ
16
28
DQ
31
48
A
4
68
DQ
2
9
DQ
17
29
W
2
49
A
3
69
DQ
1
10
DQ
18
30
NC
50
A
2
70
DQ
0
11
DQ
19
31
NC
51
A
1
71
NC
12
DQ
20
32
NC
52
A
0
72
V
CC
13
DQ
21
33
NC
53
W
3
73
PD
1
14
DQ
22
34
A
18
54
V
SS
74
PD
2
15
DQ
23
35
A
17
55
DQ
15
75
PD
3
16
DQ
24
36
A
16
56
DQ
14
76
PD
4
17
DQ
25
37
A
15
57
DQ
13
77
PD
5
18
DQ
26
38
A
14
58
DQ
12
78
PD
6
19
DQ
27
39
A
13
59
DQ
11
79
PD
7
20
DQ
28
40
A
12
60
DQ
10
80
V
SS
SIMM
Presence Select Pin
Density
PD
1
PD
2
PD
3
PD
4
512K x 32
V
SS
V
SS
V
SS
Open
2 x 512K x 32
Open
Open
Open
V
SS
4 x 512K x 32
V
SS
Open
Open
V
SS
ECO #12508
2MB
4MB
8MB
Parameter
Sym
Pins
Value
Value
Value
Input Capacitance
Cin
Address
20pF
40pF
80pF
Input Capacitance
Cin
G
20pF
40pF
80pF
Output Capacitance
Cio
Input / Output Data Bus
5pF
10pF
20pF
Input Capacitance
Cin
E
0-3
20pF
20pF
20pF
Input Capacitance
Cin
W
0-3
5pF
10pF
20pF
Note 1: Bank Enable
SIMM Density
Pin 24
Pin 23
Pin 22
Pin 21
512K x 32
E
0
NC
NC
NC
2 x 512K x 32
E
0
E
1
NC
NC
4 x 512K x 32
E
0
E
1
E
2
E
3
2
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED7Fx325ZXEBSNyyC
March 2000 Rev. 0
ORDERING INFORMATION
2MB, 512K X 32
4MB, 2 X 512K X 32
FIG. 1
FUNCTIONAL BLOCK DIAGRAM
2MB; 512K X 32
FIG. 2
FUNCTIONAL BLOCK DIAGRAM
4MB; 2 X 512K X 32
8MB, 4 X 512K X 32
Part Number
Density
Speed
Package
WED7F4325ZXEBSN90C
8MB
90ns
368
WED7F4325ZXEBSN12C
8MB
120ns
368
WED7F4325ZXEBSN15C
8MB
150ns
368
Part Number
Density
Speed
Package
WED7F325ZXEBSN70C
2MB
70ns
366
WED7F325ZXEBSN90C
2MB
90ns
366
WED7F325ZXEBSN12C
2MB
120ns
366
WED7F325ZXEBSN15C
2MB
150ns
366
Part Number
Density
Speed
Package
WED7F2325ZXEBSN70C
4MB
70ns
367
WED7F2325ZXEBSN90C
4MB
90ns
367
WED7F2325ZXEBSN12C
4MB
120ns
367
WED7F2325ZXEBSN15C
4MB
150ns
367
512K x 8
512K x 8
512K x 8
512K x 8
D Q
0 - 7
D Q
8 - 1 5
D Q
1 6 - 2 3
D Q
2 4 - 3 1
A 0 - 1 8
E 0
G
W0
W1
W2
W3
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
512K x 8
512K x 8
512K x 8
512K x 8
A
0 - 1 8
E
1
G
E
0
W
0
W
1
W
2
W
3
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
512K x 8
512K x 8
512K x 8
512K x 8
D Q
0 - 7
D Q
8 - 1 5
D Q
1 6 - 2 3
D Q
2 4 - 3 1
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
3
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED7Fx325ZXEBSNyyC
March 2000 Rev. 0
FIG. 3
FUNCTIONAL BLOCK DIAGRAM
8MB; 4 X 512K X 32
FIG. 4
MECHANICAL; PACKAGE - 366
512K x 8
512K x 8
512K x 8
512K x 8
A 0 - 1 8
E 1
G
E 0
W0
W1
W2
W3
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
512K x 8
512K x 8
512K x 8
512K x 8
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
512K x 8
512K x 8
512K x 8
512K x 8
D Q
0 - 7
D Q
8 - 1 5
D Q
1 6 - 2 3
D Q
2 4 - 3 1
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
E 2
E 3
512K x 8
512K x 8
512K x 8
512K x 8
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
M 2 9 F 0 4 0
P1
4.150
0.250
0.050
4.655 MAX
4.384
0.400
0.250
2.245
2.192
0.062 R
0.062 R
R4
0.120
MAX
0.125
MIN
0.705
MAX
TYP
4
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED7Fx325ZXEBSNyyC
March 2000 Rev. 0
FIG. 5
MECHANICAL; PACKAGE - 367
FIG. 6
MECHANICAL; PACKAGE - 368
P1
4.384
0.250
2.245
2.192
REV. #
0.050
TYP
4.150
0.062 R(2X)
0.400
0.705
MAX
0.250
MAX
0.125
MIN
R4
R1 R3
R2
0.170
0.125 DIA (2x)
4.655 MAX
0.225
MIN
0.050
+0.004
-0.003
J6
J1
J5
J7
J2
J3
J4
P1
0.125
0.200
MAX
MIN
0.400
0.250
0.050 TYP
4.150
2.245
2.192
0.062 R (2x)
0.125 DIA (2x)
4.655 MAX
4.384
1.135
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