Integra DTR-7.8 Service Manual page 112

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -10
Q4306: NJU7311AM(Analog Function Switch)
BLOCK DIAGRAM
L1
L2
L-COM1
L3
L4
L-COM2
L5
L6
L-COM3
L7
L-COM4
ST
VDD
VEE
TERMINAL DESCRIPTION
Pin No. Pin Name
1
VEE Negative Voltage Supply
2
L1 Analog switch input/output
3 L2 Analog switch input/output
4 L-COM1 L1, L2, Common
5
L3 Analog switch input/output
6
L4 Analog switch input/output
7 L-COM2 L3, L4 common
8 L5 Analog switch input/output
9
L6 Analog switch input/output
10
L-COM3 L5, L6 Common
11 L7 Analog switch input/output
12 L-COM4 L7 Common
14
ST Chip enable
15
VSS GND
Control Circuit
Description
R1
R2
R-COM1
R3
R4
R-COM2
R5
R6
R-COM3
R7
R-COM4
DATA
CK
VSS
Pin No. Pin Name
Clock input
16 CK
Data input
17 DATA
R7 Common
19 R-COM4
Analog switch input/output
20 R7
R5, R6 Common
21 R-COM3
Analog switch input/output
22 R6
Analog switch input/output
23 R5
R3, R4 Common
24 R-COM2
Analog switch input/output
25 R4
Analog switch input/output
26 R3
R1, R2, Common
27 R-COM1
Analog switch input/output
28 R2
Analog switch input/output
29 R1
Positive voltage supply
30 VDD
DTR-7.8
Description