74HCT253DB datasheet(4/7 Pages) PHILIPS

Nome de Peças	74HCT253DB

Descrição Electrónicos	Dual 4-input multiplexer; 3-state

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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4 / 7 page

December 1990

4

Philips Semiconductors

Product speciﬁcation

Dual 4-input multiplexer; 3-state

74HC/HCT253

FUNCTION TABLE

NOTES

1. H = HIGH voltage level

L = LOW voltage level

X = don’t care

Z = high impedance OFF-state

SELECT INPUTS

DATA INPUTS

OUTPUT ENABLE

OUTPUT

S0

S1

nI0

nI1

nI2

nI3

nOE

nY

XXXXXX

H

Z

L

H

L

H

X

L

H

X

L

H

L

H

L

H

X

L

H

X

L

H

L

H

L

H

Fig.4 Functional diagram.

Fig.5 Logic diagram.

Nº de peça semelhante - 74HCT253DB

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