74HCT4353D Просмотр технического описания (PDF) - Philips Electronics

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74HCT4353D

Triple 2-channel analog multiplexer/demultiplexer with latch

Philips Electronics 

Philips Semiconductors

Triple 2-channel analog

multiplexer/demultiplexer with latch

FUNCTION TABLE

INPUTS

E1

E2

LE

Sn

H

H

X

X

X

L

X

X

L

H

H

L

L

H

H

H

L

H

L

X

X

X

↓

X

Notes

1. Last selected channel “ON”.

2. Selected channels latched.

CHANNEL

ON

none

none

nY0 − nZ

nY1 − nZ

(1)

(2)

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/HCT4353

Fig.4 Functional diagram.

December 1990

Fig.5 Schematic diagram (one switch).

4

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