2024年5月10日发(作者：)

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54AC14

Hex

Inverter

with

Schmitt

Trigger

Input

July1998

54AC14

HexInverterwithSchmittTriggerInput

GeneralDescription

The’AC14containssixinvertergateseachwithaSchmitt

’AC14containssixlogicinverterswhichac-

ceptstandardCMOSinputsignalsandprovidestandard

ecapableoftransforming

slowlychanginginputsignalsintosharplydefined,jitter-free

tion,theyhaveagreaternoisemargin

thanconventionalinverters.

The’AC14hashysteresisbetweenthepositive-goingand

negative-goinginputthresholds(typically1.0V)whichisde-

terminedinternallybytransistorratiosandisessentiallyin-

sensitivetotemperatureandsupplyvoltagevariations.

Features

nI

CC

reducedby50%

nOutputssource/sink24mA

nStandardMilitaryDrawing(SMD)

—’AC14:5962-87624

LogicSymbol

IEEE/IEC

DS100263-1

FunctionTable

Input

A

L

H

Output

O

H

L

FACT

™

isatrademarkofFairchildSemiconductorCorporation.

©1998NationalSemiconductorCorporationDS100263

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ConnectionDiagrams

PinAssignmentfor

DIPandFlatpack

PinAssignmentforLCC

DS100263-3

DS100263-2

PinNames

I

n

O

n

Description

Inputs

Outputs

2