Cypress CY7C131A Manual De Usuario
CY7C130, CY7C130A
CY7C131, CY7C131A
CY7C131, CY7C131A
CY7C140, CY7C141
Document #: 38-06002 Rev. *E
Page 2 of 19
Pin Configurations
Figure 1. Pin Diagram - DIP (Top View)
Figure 2. Pin Diagram - PLCC (Top View)
Figure 3. Pin Diagram - PQFP (Top View)
13
14
15
16
17
18
19
20
21
22
23
14
15
16
17
18
19
20
21
22
23
26
27
28
32
31
30
29
31
30
29
33
36
35
34
35
34
24
25
GND
1
2
3
4
5
6
7
8
9
10
11
2
3
4
5
6
7
8
9
10
11
38
39
40
44
43
42
43
42
41
45
48
47
46
47
46
12
37
R/W
L
CE
L
BUSY
L
INT
L
OE
L
A
0L
A
1L
A
2L
A
3L
A
4L
A
5L
A
6L
A
7L
A
8L
A
9L
I/O
0L
I/O
1L
I/O
2L
I/O
3L
I/O
4L
I/O
5L
I/O
6L
I/O
7L
CE
R
R/W
R
BUSY
R
INT
R
OE
R
A
0R
A
1R
A
2R
A
3R
A
4R
A
5R
A
6R
A
7R
A
8R
A
9R
I/O
7R
I/O
6R
I/O
5R
I/O
4R
I/O
3R
I/O
2R
I/O
1R
I/O
0R
V
CC
7C130
7C140
7C140
1
V
CC
OE
R
A
0R
8
9
10
11
12
13
14
15
16
17
18
19
20
46
45
44
43
42
41
40
39
38
37
36
35
34
2122 23 24 25 26 27 28 29 30 31 32 33
7 6 5 4 3 2
52 51 50 49 48 47
A
1R
A
2R
A
3R
A
4R
A
5R
A
6R
A
7R
A
8R
A
9R
NC
I/O
7R
A
1L
A
2L
A
3L
A
4L
A
5L
A
6L
A
7L
A
8L
A
9L
I/O
0L
I/O
1L
I/O
2L
I/O
3L
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
4L
5L
6L
7L
0R
1R
2R
3R
4R
5R
6R
NC
GND
OE
BUS
Y
INT
A
NC
R/W
CE
R/W
BUS
Y
INT
NC
0L
L
L
L
L
L
CE
R
R
R
R
7C131
7C141
7C141
46
1
2
3
4
5
6
7
8
9
10
11
12
13
39
38
37
36
35
34
33
32
31
30
29
28
27
1415 16 17 18 19 20 21 22 23 24 25 26
52 5150 49 48 47
45 44 43 42 41 40
V
CC
OE
BU
SY
INT
A
NC
R/W
CE
R/W
BU
SY
INT
NC
0L
L
L
L
L
L
CE
R
R
R
R
OE
R
A
0R
A
1R
A
2R
A
3R
A
4R
A
5R
A
6R
A
7R
A
8R
A
9R
NC
I/O
7R
A
1L
A
2L
A
3L
A
4L
A
5L
A
6L
A
7L
A
8L
A
9L
I/O
0L
I/O
1L
I/O
2L
I/O
3L
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
4L
5L
6L
7L
0R
1R
2R
3R
4R
5R
6R
NC
GND
7C131
7C141
7C141