Get started with NOT Gate IC | 7400 Series Tutorial

A NOT gate IC is used to output the Boolean inverse of the applied input. Hence the name 'Digital Inverter' or 'Inverting buffer'. 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NOTGateLogicSymbolandBooleanExpression AsNOTgateICisaninverter,theoutputisrepresentedbya“͞“(bar)symbolovertheinput. TheBooleanexpressioncanbewrittenasY=X͞.Thatis,ifXistheinputandYisoutput,thenoutputYequalstoX͞,notX.Inotherwords,whenX=0,Y=1andviceversa. ThebubbleinthesymbolforaNOTgateattheoutputportrepresentstheinvertingoperation.Thatmeansforahighlogicsignalinput,theoutputoftheNOTgateICwillbeLOW.SimilarlyforLOWlogicsignalinput,theoutputofNOTgateICwillbeHIGH. TruthTableforNOTgateIC “IfXisNOTtrue,thenYistrue” -Advertisement- RecommendedoperatingconditionsofNOTgateIC7404 Recommendedoperatingconditionsof7404NOTgateICaregiveninthefollowingtable.Ideally,thesupplyvoltageshouldrangebetween5.25Vand4.75V.Avoltagegreaterthan2VwillbeconsideredasHIGH(1)andvoltagelessthan0.8VwillbeconsideredasLOW(0). Pin-out diagramof7404NOTgateIC Each7404NOTgateIChas6NOTgatesarrangedasshowninthefollowingfigure.14thpinistheVccandthe7thpinistheGround.TheoutputsdirectlyinterfacetoCMOS,NMOSandTTL.Itsupportswideoperatingconditionsandhaslargeoperatingvoltagerange. ThedatasheetforNOTgateIC7404 isavailableat 7404ICdatasheet. NOTgateishoweverjustonofthe7400series.Forthe7400seriestutorial,turnovertonextpage. -Advertisement- Tagsic PreviousarticleTemperatureControl&IndicatorSystemNextarticleEU&TheDigitalMarket:IndiaGetsReadyForEU’sNewDataRegime RELATEDARTICLES 1500+ElectronicsProjectsForYou HomeAutomationUsingAppleHomeKitAndESP8266 Automotive AligningCapacitorSelectionWithTheLatestAutomotiveDemands 1500+ElectronicsProjectsForYou WeatherStationWithDeviceControlUsingTouch-ScreenDisplay SHAREYOURTHOUGHTS&COMMENTSCancelreply Comment: Pleaseenteryourcomment! Name:* Pleaseenteryournamehere Email:* Youhaveenteredanincorrectemailaddress! 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