14
1.3.
IC86 on the Switch Board is using the 16 X 8 Cross Point Switch IC CD22M3494MQ.
Description of this IC is as follows:
Vss 18
Y6 19
STRB 20
Y5 21
V
EE
22
N.C. 15
X10 13
X14 7
Y4 23
AX1 24
AX2 25
AY0 26
AY1 27
N.C. 28
40 CS
30 X13
29 N.C.
31 X12
32 X5
33 X4
34 X3
35 X2
36 X1
37 X0
38 N.C.
39 Y0
41 Y1
42 DATA
43 Y2
44 V
DD
1 Y3
2 AY2
3 RESET
4 AX3
5 AX0
6 N.C.
X15 8
X6 9
X7 10
X8 11
X9 12
X11 14
N.C. 16
Y7 17
(TOP VIEW)
Pin Name
I/O Description
1 Y3
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
2 AY2
I
Y Address signal input terminal.
3 RESET
I
Reset Pulse input terminal.
4 AX3
I
X Address signal input terminal.
5 AX0
I
X Address signal input terminal.
6 N.C. –
Non connection.
7 X14
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
8 X15
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
9 X6
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
10 X7
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
11 X8
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
12 X9
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
13 X10
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
15 N.C. –
Non connection.
16 N.C. –
Non connection.
17 Y7
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
14 X11
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
18 Vss
–
Ground terminal.
19 Y6
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
22 V
EE
–
Negative power supply terminal.
20 STRB I
Strobe Pulse input terminal.
21 Y5
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
23 Y4
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
24 AX1
I
X Address signal input terminal.
25 AX2
I
X Address signal input terminal.
26 AY0
I
Y Address signal input terminal.
28 N.C. –
Non connection.
27 AY1
I
Y Address signal input terminal.
29 N.C. –
Non connection.
Pin Name
I/O Description
30 X13
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
31 X12
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
32 X5
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
33 X4
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
34 X3
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
35 X2
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
36 X1
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
37 X0
I/O
Analog or Digital signal input/output
terminal (Row Data X0 - X15).
38 N.C. –
Non connection.
39 Y0
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
40 CS
I
Chip Select signal input terminal.
41 Y1
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).
42 DATA I
Data Switching signal input terminal.
"H" : Close ; "L" : Open.
44 V
DD
–
Positive power supply terminal.
43 Y2
I/O
Analog or Digital signal input/output
terminal (Column Data Y0 - Y7).