MC14051B, MC14052B, MC14053B
V
DD
IN/OUT
V
DD
V
DD
OUT/IN
V
EE
V
DD
LEVEL
CONVERTED
CONTROL
V
EE
IN/OUT
CONTROL
OUT/IN
Figure 1. Switch Circuit Schematic
TRUTH TABLE
Control Inputs
Select
Inhibit
0
0
0
0
0
0
0
0
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
MC14051B
X0
X1
X2
X3
X4
X5
X6
X7
None
ON Switches
MC14052B
Y0
Y1
Y2
Y3
X0
X1
X2
X3
MC14053B
Z0
Z0
Z0
Z0
Z1
Z1
Z1
Z1
Y0
Y0
Y1
Y1
Y0
Y0
Y1
Y1
None
X0
X1
X0
X1
X0
X1
X0
X1
INH
A
B
C
6
11
10
9
8
16
LEVEL
CONVERTER
V
SS
7
V
DD
BINARY TO 1−OF−8
DECODER WITH
INHIBIT
V
EE
X0 13
X1 14
X2 15
X3 12
X4 1
X5 5
X6 2
X7 4
3 X
1
x
x x
None
*Not applicable for MC14052
x = Don’t Care
Figure 2. MC14051B Functional Diagram
16
INH 6
A 10
B 9
X0 12
X1 14
X2 15
X3 11
Y0 1
Y1 5
Y2 2
Y3 4
8
LEVEL
CONVERTER
V
SS
7
V
EE
13 X
V
DD
16
BINARY TO 1−OF−4
DECODER WITH
INHIBIT
INH
A
B
C
6
11
10
9
8
X0 12
X1 13
Y0 2
3 Y
V
DD
BINARY TO 1−OF−2
DECODER WITH
INHIBIT
V
EE
14 X
15 Y
4 Z
LEVEL
CONVERTER
V
SS
7
Y1 1
Z0 5
Z1 3
Figure 3. MC14052B Functional Diagram
Figure 4. MC14053B Functional Diagram
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