74HC4351D-T Datasheet, PDF (4/17 Pages) NXP Semiconductors – 8-channel analog multiplexer/demultiplexer with latch

Philips Semiconductors
8-channel analog multiplexer/demultiplexer
with latch
FUNCTION TABLE
E₁
H
X
L
L
L
L
L
L
L
L
L
X
E₂
X
L
H
H
H
H
H
H
H
H
H
X
INPUTS
CHANNEL
LE S₂ S₁ S₀
ON
X X X X none
X X X X none
H
L
L
L
Y₀
H
L
L
H
Y₁
H
L
H
L
Y₂
H
L
H
H
Y₃
H
H
L
L
Y₄
H
H
L
H
Y₅
H
H
H
L
Y₆
H H H H Y₇
L
X
X
X
(1)
↓
X
X
X
(2)
Notes
1. Last selected channel “ON”.
2. Selected channels latched.
3. H = HIGH voltage level
L = LOW voltage level
X = don’t care
↓ = HIGH-to-LOW LE transition
APPLICATIONS
• Analog multiplexing and demultiplexing
• Digital multiplexing and demultiplexing
• Signal gating
Product specification
74HC/HCT4351
Fig.4 Functional diagram.
December 1990
Fig.5 Schematic diagram (one switch).
4