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Electronics Logic Gates: Universal NAND Gates - Dummies.com

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First, you use a pair of NAND gates configured as NOT gates to invert the two inputs. Then the third NAND gate produces a LOW output if both of ... {"appState":{"pageLoadApiCallsStatus":true},"articleState":{"article":{"headers":{"creationTime":"2016-03-26T18:35:43+00:00","modifiedTime":"2016-03-26T18:35:43+00:00","timestamp":"2022-06-22T19:26:18+00:00"},"data":{"breadcrumbs":[{"name":"Technology","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33512"},"slug":"technology","categoryId":33512},{"name":"Electronics","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33543"},"slug":"electronics","categoryId":33543},{"name":"GeneralElectronics","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33571"},"slug":"general-electronics","categoryId":33571}],"title":"ElectronicsLogicGates:UniversalNANDGates","strippedTitle":"electronicslogicgates:universalnandgates","slug":"electronics-logic-gates-universal-nand-gates","canonicalUrl":"","seo":{"metaDescription":"ThefactthattheNAND(not-and)gateisauniversalgateinelectronicsisincrediblyusefulbecauseitenablesyoutobuildanylogiccircuit,simpleorco","noIndex":0,"noFollow":0},"content":"

ThefactthattheNAND(not-and)gateisauniversalgateinelectronicsisincrediblyusefulbecauseitenablesyoutobuildanylogiccircuit,simpleorcomplex,byusingjustNANDgates.

\n

Whenyoubegintobuildyourowndigitalcircuits,youcanstockuponintegratedcircuitsthatcontainjustNANDgatesandbeassuredthatyoucanbuildeventhemostcomplexcircuitswithyourstockofNANDgates.

\n\n\n
  • NOT:YoucancreateaNOTgatefromaNANDgatesimplybytyingthetwoinputsoftheNANDgatetogether.\nBecausethetwoinputsoftheNANDgatearetiedtogether,onlytwoinputcombinationsarepossible:bothHIGHorbothLOW.IfbothinputsareHIGH,theNANDgatewilloutputaLOW.IfbothinputsareLOW,theNANDgatewilloutputHIGH.Thus,thecircuitbehavesexactlyasaNOTgatewould.\n
    • \n
  • AND:YoucancreateanANDgatebyusingtwoNANDgates.ThefirstNANDgatedoeswhatNANDgatesdo:returnsLOWifbothinputsareHIGHandreturnsHIGHifbothinputsareanythingelse.ThenthesecondNANDgateisconfiguredasaNOTgatetoinverttheoutputfromthefirstNANDgate.\nOneofthebasicrulesofNOTgatesisthatifyouinvertasignaltwice,youendupwiththesamesignal.IftheoriginalinputisHIGH,andyouinvertit,thesignalbecomesLOW.Inverttheinputagain,anditreturnstoHIGH.Withthisruleinmind,youshouldbeabletoseehowthetwoNANDgatesworktogethertocreateanANDgate.\n
    • \n
  • OR:YouneedthreeNANDgatestocreateanORgate.First,youuseapairofNANDgatesconfiguredasNOTgatestoinvertthetwoinputs.ThenthethirdNANDgateproducesaLOWoutputifbothoftheoriginalinputsareLOW.IfoneoftheoriginalinputsisHIGH,orifbothoftheoriginalinputsareHIGH,theoutputofthethirdgateisHIGH.\n
    • \n
  • NOR:IttakesfourNANDgatestocreateaNORgate.ThiscircuitisthesameastheORgatecircuit,withtheadditionofanotherNOTgatetoinverttheoutputfromthethirdNANDgate.InvertingtheoutputchangestheoverallfunctionofthecircuitfromORtoNOR.\n
    • \n","description":"

    ThefactthattheNAND(not-and)gateisauniversalgateinelectronicsisincrediblyusefulbecauseitenablesyoutobuildanylogiccircuit,simpleorcomplex,byusingjustNANDgates.

    \n

    Whenyoubegintobuildyourowndigitalcircuits,youcanstockuponintegratedcircuitsthatcontainjustNANDgatesandbeassuredthatyoucanbuildeventhemostcomplexcircuitswithyourstockofNANDgates.

    \n\n\n
  • NOT:YoucancreateaNOTgatefromaNANDgatesimplybytyingthetwoinputsoftheNANDgatetogether.\nBecausethetwoinputsoftheNANDgatearetiedtogether,onlytwoinputcombinationsarepossible:bothHIGHorbothLOW.IfbothinputsareHIGH,theNANDgatewilloutputaLOW.IfbothinputsareLOW,theNANDgatewilloutputHIGH.Thus,thecircuitbehavesexactlyasaNOTgatewould.\n
    • \n
  • AND:YoucancreateanANDgatebyusingtwoNANDgates.ThefirstNANDgatedoeswhatNANDgatesdo:returnsLOWifbothinputsareHIGHandreturnsHIGHifbothinputsareanythingelse.ThenthesecondNANDgateisconfiguredasaNOTgatetoinverttheoutputfromthefirstNANDgate.\nOneofthebasicrulesofNOTgatesisthatifyouinvertasignaltwice,youendupwiththesamesignal.IftheoriginalinputisHIGH,andyouinvertit,thesignalbecomesLOW.Inverttheinputagain,anditreturnstoHIGH.Withthisruleinmind,youshouldbeabletoseehowthetwoNANDgatesworktogethertocreateanANDgate.\n
    • \n
  • OR:YouneedthreeNANDgatestocreateanORgate.First,youuseapairofNANDgatesconfiguredasNOTgatestoinvertthetwoinputs.ThenthethirdNANDgateproducesaLOWoutputifbothoftheoriginalinputsareLOW.IfoneoftheoriginalinputsisHIGH,orifbothoftheoriginalinputsareHIGH,theoutputofthethirdgateisHIGH.\n
    • \n
  • NOR:IttakesfourNANDgatestocreateaNORgate.ThiscircuitisthesameastheORgatecircuit,withtheadditionofanotherNOTgatetoinverttheoutputfromthethirdNANDgate.InvertingtheoutputchangestheoverallfunctionofthecircuitfromORtoNOR.\n
    • \n","blurb":"","authors":[{"authorId":8946,"name":"DougLowe","slug":"doug-lowe","description":"

    DougLoweistheinformationtechnologydirectoratBlair,Church&FlynnConsultingEngineers,acivilengineeringfirm.Hehaswrittenmorethan50ForDummiesbooksontopicsrangingfromJavatoelectronicstoPowerPoint.

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Whenyoubegintobuildyourowndigitalcircuits,youcanstockuponintegratedcircuitsthatcontainjustNANDgatesandbeassuredthatyoucanbuildeventhemostcomplexcircuitswithyourstockofNANDgates. NOT:YoucancreateaNOTgatefromaNANDgatesimplybytyingthetwoinputsoftheNANDgatetogether. BecausethetwoinputsoftheNANDgatearetiedtogether,onlytwoinputcombinationsarepossible:bothHIGHorbothLOW.IfbothinputsareHIGH,theNANDgatewilloutputaLOW.IfbothinputsareLOW,theNANDgatewilloutputHIGH.Thus,thecircuitbehavesexactlyasaNOTgatewould. AND:YoucancreateanANDgatebyusingtwoNANDgates.ThefirstNANDgatedoeswhatNANDgatesdo:returnsLOWifbothinputsareHIGHandreturnsHIGHifbothinputsareanythingelse.ThenthesecondNANDgateisconfiguredasaNOTgatetoinverttheoutputfromthefirstNANDgate. OneofthebasicrulesofNOTgatesisthatifyouinvertasignaltwice,youendupwiththesamesignal.IftheoriginalinputisHIGH,andyouinvertit,thesignalbecomesLOW.Inverttheinputagain,anditreturnstoHIGH.Withthisruleinmind,youshouldbeabletoseehowthetwoNANDgatesworktogethertocreateanANDgate. OR:YouneedthreeNANDgatestocreateanORgate.First,youuseapairofNANDgatesconfiguredasNOTgatestoinvertthetwoinputs.ThenthethirdNANDgateproducesaLOWoutputifbothoftheoriginalinputsareLOW.IfoneoftheoriginalinputsisHIGH,orifbothoftheoriginalinputsareHIGH,theoutputofthethirdgateisHIGH. NOR:IttakesfourNANDgatestocreateaNORgate.ThiscircuitisthesameastheORgatecircuit,withtheadditionofanotherNOTgatetoinverttheoutputfromthethirdNANDgate.InvertingtheoutputchangestheoverallfunctionofthecircuitfromORtoNOR. AboutThisArticleThisarticlecanbefoundinthecategory:GeneralElectronics,HowtoAssembleaColorOrganCircuitWhatYouNeedtoBuildaColorOrganCircuitHowaColorOrganWorksWhatisaColorOrganCircuit?HowtoUseaColorOrganCircuitViewAllArticlesFromCategory

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