CD74HC251 Datasheet, PDF(2/7 Page) Texas Instruments – High Speed CMOS Logic 8-Input Multiplexer; Three-State

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CD74HC251 Datasheet, PDF (2/7 Pages) Texas Instruments – High Speed CMOS Logic 8-Input Multiplexer; Three-State

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Functional Diagram

CD74HC251, CD74HCT251

CHANNEL

INPUTS

I0 4

I1 3

I2 2

DATA

SELECT

OUTPUTS

TRUTH TABLE

INPUTS

OUTPUT

SELECT

OUTPUT

CONTROL OE

NOTE: H = High Voltage Level, L = Low Voltage Level, X = Donât Care, Z = High Imped-

ance (Off), I0, I1...I7 = the level of the respective input.

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