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2
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WF4M32-XXX5
PRELIMINARY
June 2004
Rev. 6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
I/O
0
I/O
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
V
C
A
1
A
1
A
1
A
1
A
1
A
1
C
2
#
O
C
4
#
A
1
A
1
A
1
A
2
A
R
N
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
I/O
29
I/O
30
I/O
31
N
A
0
A
1
A
2
A
3
A
4
A
5
C
1
#
G
C
3
#
W
A
6
A
7
A
8
A
9
A
1
V
C
FIGURE 2 – PIN CONFIGURATION FOR WF4M32-XG4TX5
TOP VIEW
FIGURE 3 – PIN CONFIGURATION FOR WF4M32-XG2TX5
TOP VIEW
The White 68 lead G2T CQFP fills the
same fit and function as the JEDEC 68 lead
CQFJ or 68 PLCC. But the G2T has the
TCE and lead inspection advantage of the
CQFP form.
BLOCK DIAGRAM
Block Diagram
Note: CS1#& CS2# are used as bank select
I/O
0-7
CS1#
CS2#
CS3#
CS4#
I/O
8-15
I/O
16-23
I/O
24-31
OE#
WE#
A
0-20
A
21
2M
x 8
2M x 8
RESET#
2M
x 8
2M x 8
2M
x 8
2M x 8
2M
x 8
2M x 8
BUFFER
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
I/O
0
I/O
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
V
C
A
1
A
1
A
1
A
1
A
1
A
1
C
1
#
O
C
2
#
A
1
N
N
N
A
1
A
1
A
2
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
I/O
29
I/O
30
I/O
31
R
A
0
A
1
A
2
A
3
A
4
A
5
N
G
N
W
A
6
A
7
A
8
A
9
A
1
V
C
2M x 8
8
I/O
0-7
CS
1#
I/O
8-15
CS
2#
I/O
16-23
I/O
24-31
A
OE#
RESWE#
2M x 8
2M x 8
8
2M x 8
2M x 8
8
2M x 8
2M x 8
8
2M x 8
PIN DESCRIPTION
I/O
0-31
Data Inputs/Outputs
A
0-21
Address Inputs
WE#
Write Enable
CS
1-4
#
Chip Select
OE#
Output Enable
V
CC
Power Supply
GND
Ground
RESET#
Reset
NC
Not Connected
PIN DESCRIPTION
I/O
0-31
Data Inputs/Outputs
A
0-21
Address Inputs
WE#
Write Enable
CS
1-2
#
Chip Select
OE#
Output Enable
V
CC
Power Supply
GND
Ground
RESET#
Reset