TX-SR701/E
IC BLOCK DIAGRAMS AND DESCRIPTIONS
TC9164AF(Function switch)
2
3
4
5
6
7
8
9
10
10
11
11
12
12
13
13
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
14
14
1
VSS
GND
VDD
S1
S2
COM1
S3
S4
S5
S6
COM2
S7
COM3
ST
DATA
CK
SHIFT REGISTER
S8
1
14
28
2,3,4,6,7,8,10,11
27,26,25,23,22,21,19,18
5,9,12
24,20,17
13
15
16
Symbol
GND
VDD
S1~S8
S1~S8
COM1 ~ COM3
COM1 ~ COM3
ST
C K
DAT A
Pin No.
Function
Negative power supply
Ground
Positive power supply
Input/output terminals
Input/output terminals
Common terminals
Common terminals
Strobe input terminal for data reading
Clock input terminal for data transfer
Data input terminal for switch
Vss
S1
S2
S4
S3
COM1
S5
S6
COM2
S7
COM3
S8
LEVEL SHIFT
LA
TCH CIRCUIT
LA
TCH CIRCUIT
LEVEL SHIFT
1A
1Y
2A
2Y
3A
3Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
6A
6Y
5A
5Y
4A
4Y
(TOP VIEW)
A
L
H
Y
H
L
Truth table
74HCU04F(Hex Inverters)
1A
3Y
2A
GND
1
2
3
4
8
7
6
5
Vcc
1Y
3A
2Y
A
L
H
Y
H
L
Truth table
TC7WU04F(3 Inverters)
1A
1B
1Y
2A
2B
2Y
GND
Vcc
4B
4A
4Y
3B
3A
3Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TC74VHCT00AFT(2-input NAND gate)
A
L
L
H
H
B
L
H
L
H
Y
H
H
H
L
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