- 9 -
IC BLOCK DIAGRAM & DESCRIPTION
CD4052BC
0X,0Y
1X,1Y
2X,2Y
3X,3Y
NONE
16
9
V
DD
15
2X
14
1X
IN/OUT
IN/OUT
13
0
12
0X
11
3X
10
A
B
1
8
3Y
2
2Y
Y
3
OUT/IN
OUT/IN
IN/OUT
IN/OUT
4
0Y
5
1Y
6
INH
7
V
CE
V
SS
4
16
V
DD
2
5
11
3
15
2
14
1
12
0
X CHANNEL IN/OUT
Y CHANNEL IN/OUT
10
A
9
B
6
INH
8
7
V
SS
0
1
2
3
V
EE
13
1
3
COMMON X
OUT/IN
COMMON Y
OUT/IN
TG
TG
TG
TG
TG
TG
TG
TG
BINARY
TO
1 DF 4
DECODER
WITH
INHIBIT
LOGIC
LEVEL
CONVERSION
INHIBIT
0
0
0
0
0
0
0
0
1
C
0
0
0
0
1
1
1
1
*
B
0
0
1
1
0
0
1
1
*
A
0
1
0
1
0
1
0
1
*
"ON" CHANNELS
INPUT STATES
*
Don't care condition.
IC411 CD4052BCM (Dual 4-Channel Analog Multiplexer/Demultiplexer)
1
10
LIN
RIN
2
9
LOUT
ROUT
3
8
VDD
VSS
4
7
CI
Vref
5
6
CL
CE
PIN NAME PIN NO. DESCRIPTION
LIN
1
RIN
10
LOUT
2
ROUT
9
Vref
7
0.5xVDD voltage generating
part for analog grounds,
Tens of micro F capacitor
must to be connected to
between Vref andAVSS
(VSS) against ripple cntrol
for power section.
VSS
8
Ground Terminal
VDD
3
Puwer Supply Terminal
CE
6
Chip enable terminal
At the time of "H" "L",
data is written in an internal
latch. And each analog
switch operates. Enable data
transfer at the "H" level.
DI
4
Serial data for control and
Clock input taerminal
CL
5
Volume input terminal
Volume output terminal
1
2
3
4
5
8
7
6
-
+
-
+
-
+
10
9
-
+
CONTROL
CIECUIT
CONTROL
CIECUIT
LOGIC
CIECUIT
CCB
INTERFACE
LVref
RVref
CL
DI
VDD
LIN
LOUT
IC412 LC75344M-D-MPB-E (2 Channel Volume Control)
