4051 Datasheet, PDF (5/6 Pages) Unisonic Technologies – 8-CHANNEL ANALOG MULTIPLEXERS/DEMULTIPLEXERS

4051
TEST CIRCUIT
CMOS IC
IN/OUT
VDD
VDD _VDD
VEE
OUT/IN
VDD
LEVEL
CONVERTED
CONTROL
IN/OUT
OUT/IN


TRUTH TABLE
CONTROL
VEE
Switch Circuit Schematic


Control Inputs
INHIBIT C B A
0
000
0
001
0
010
0
011
0
100
0
101
0
110
0
111
1
xxx
x = Don’t Care
ON Switches
X0
X1
X2
X3
X4
X5
X6
X7
None
16 V_DD
INH 6
A 11
B 10
C9
LEVEL
CONVERTER
BINARY TO 1 - OF - 8
DECODER WITH
INHIBIT
X0 13
8 V_SS 7 V_EE
X1 14
X2 15
X3 12
3X
X4 1
X5 5
X6 2
X7 4
UTC 4051 Functional Diagram
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-054,A