Integra DTR-7.6 Service Manual page 106

IC BLOCK DIAGRAMS AND DESCRIPTIONS
NJU7311AM (Analog Function Switch)
BLOCK DIAGRAM
L-COM1
L-COM2
L-COM3
L-COM4
VDD
VEE
TERMINAL DESCRIPTION
Pin No. Pin Name
1 VEE
2 L1
3 L2
4 L-COM1
5 L3
6 L4
7 L-COM2
8 L5
9 L6
10 L-COM3
11 L7
12
L-COM4
13 ST
14 VSS
L1
L2
L3
L4
L5
L6
L7
ST
Control Circuit
Description
Negative Voltage Supply
Analog switch input/output
Analog switch input/output
L1, L2, Common
Analog switch input/output
Analog switch input/output
L3, L4 common
Analog switch input/output
Analog switch input/output
L5, L6 Common
Analog switch input/output
L7 Common
Chip enable
GND
R1
R2
R-COM1
R3
R4
R-COM2
R5
R6
R-COM3
R7
R-COM4
DATA
CK
VSS
Pin No. Pin Name Description
Clock input
15 CK
Data input
16 DATA
R7 Common
17 R-COM4
Analog switch input/output
18 R7
R5, R6 Common
19 R-COM3
Analog switch input/output
20 R6
Analog switch input/output
21 R5
R3, R4 Common
22 R-COM2
Analog switch input/output
23 R4
Analog switch input/output
24 R3
R1, R2, Common
25 R-COM1
Analog switch input/output
R2
26
Analog switch input/output
27 R1
Positive voltage supply
28 VDD
DTR-7.6