Motorola CMOS Logic, Manual, Page: 174 / 571

MOTOROLA CMOS LOGIC DATA MC14051B MC14052B MC14053B
6–136
Figure 1. Switch Circuit Schematic
IN/OUT
LEVEL
CONVERTED
CONTROL
VDD
VEE
VDD VDD
VDD
OUT/IN
VEE
IN/OUT OUT/IN
CONTROL
TRUTH TABLE
Control Inputs
Select
ON Switches
Inhibit C* B A MC14051B MC14052B MC14053B
0 0 0 0 X0 Y0 X0 Z0 Y0 X0
0 0 0 1 X1 Y1 X1 Z0 Y0 X1
0 0 1 0 X2 Y2 X2 Z0 Y1 X0
0 0 1 1 X3 Y3 X3 Z0 Y1 X1
0 1 0 0 X4 Z1 Y0 X0
0 1 0 1 X5 Z1 Y0 X1
0 1 1 0 X6 Z1 Y1 X0
0 1 1 1 X7 Z1 Y1 X1
1 x x x None None None
* Not applicable for MC14052
x = Don’t Care
Figure 3. MC14052B Functional Diagram Figure 4. MC14053B Functional Diagram
16 VDD
8 VSS 7 VEE
13 X
3 Y
BINARY TO 1–OF–4
DECODER WITH
INHIBIT
LEVEL
CONVERTER
INH 6
A 10
B 9
X0 12
X1 14
X2 15
X3 11
Y0 1
Y1 5
Y2 2
Y3 4
BINARY TO 1–OF–2
DECODER WITH
INHIBIT
LEVEL
CONVERTER
16 VDD
8 VSS 7 VEE
14 X
15 Y
4 Z
INH 6
A 11
B 10
C 9
X0 12
X1 13
Y0 2
Y1 1
Z0 5
Z1 3
Figure 2. MC14051B Functional Diagram
INH 6
A 11
B 10
C 9
X0 13
X1 14
X2 15
X3 12
X4 1
X5 5
X6 2
X7 4
8 VSS 7 VEE
16 VDD
3 X
BINARY TO 1–OF–8
DECODER WITH
INHIBIT
LEVEL
CONVERTER