M54HC4351 Datasheet, PDF (3/16 Pages) STMicroelectronics – ANALOGMULTIPLEXER/DEMULTIPLEXER WITHADDRESS LATCH: SINGLE8CHANNEL, DUAL 4CHANNEL, TRIPLE2CHANNEL

IEC LOGIC SYMBOLS
HC4351
HC4352
M54/M74HC4351/4352/4353
HC4353
TRUTH TABLE
CONTROL INPUTS
”ON” CHANNEL (LE = H) **
EN1
EN2
C* B A
HC4351
HC4352
HC4353
L
H
L
L
L
0
0X, 0Y
0X, 0Y, 0Z
L
H
L
L
H
1
1X, 1Y
1X, 0Y, 0Z
L
H
L
H
L
2
2X, 2Y
0X, 1Y, 0Z
L
H
L
H
H
3
3X, 3Y
1X, 1Y, 0Z
L
H
H
L
L
4
--
0X, 0Y, 1Z
L
H
H
L
H
5
--
1X, 0Y, 1Z
L
H
H
H
L
6
--
0X, 1Y, 1Z
L
H
HHH
7
--
1X, 1Y, 1Z
H
X
X
X
X
NONE
NONE
NONE
X
L
X
X
X
NONE
NONE
NONE
X: DON’T CARE *: HC4351/3 only
** When latch Enable is low, the Channel Selection is latched and the Channel Address Latch does not change state.
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