NAND Gate. 2-input & 3-input Truth tables - Electronics Area

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A NAND gate is also called universal gate. This means that any other gate can be represented as a combination of NAND gates. Theoretically, a two inputs NAND ... TutorialsDirectCurrent(DC)AlternatingCurrent(AC)DigitalElectronicsSemiconductorsCircuitdiagrams555TimerCircuitsOperationalAmplifierCircuitsLEDCircuitsAlarmCircuitsMeasuringInstruments  NANDGateA NANDgate isalsocalleduniversalgate.Thismeansthatanyothergatecanberepresentedasacombinationof NANDgates.Theoretically,atwoinputsNANDgatecanbeimplementedbycascadingatwo-inputANDgate andaNOTgate(orinvertergate). Seetheimagebelow.Asinthecaseoftwo-inputANDgate,thesameanalysiscanbedoneforthe3-inputormoreANDgates. Asyoucansee,theXoutputis“0”onlywhenallinputsare“1”.TruthtablesfortheNANDgate Note:Aninterestingcaseofthistypeofgate. LiketheNOTgate,onthefirstandlastlinesofthetruthtables,theoutputXhastheoppositevalueoftheinputs.Inotherwords:ANANDlogicgatecanbeusedtoobtainthebehaviorofaNOT gateAlthoughNANDgateseemstobethecombinationoftwogates(oneANDandoneNOTgate),theyarenot. Actually,theNANDlogicgateisnotbuiltbycascadinganANDgateandaNOTgate,butithasan independentdesign.WecancreateaNOTgateusingaNANDgate.WedothisbyjoiningtheinputsoftheNANDgate,asseenonthenextimage.Analyzingthetruthtableoftwo-inputNANDgate,weseethatthereareonlytwocases:WhenA=B=0,I=1WhenA=B=1,I=0TTL7400NANDgateIntegratedCircuit   4     4Shares 4Shares  4      DigitalElectronics  Addcomments LeaveaReplyCancelreply YourComment Name (required) E-mail (required) URI  TruthTable NORGate–TruthTableMostPopularORandANDlogicgatesmadewithdiodesON-OFFSwitchcircuitusinga555timer(PCB)TRIACFollowMe Categories555TimerCircuitsAlarmCircuitsAlternatingCurrent(AC)CircuitdiagramsDigitalElectronicsDirectCurrent(DC)LEDCircuitsMeasuringInstrumentsOperationalAmplifierCircuitsSemiconductorsTutorialsTags4001 4011B 4017 7400 7447 7805 ACmotor amplifier astablemultivibrator automotive battery CD4001 controller diac ldr LM317 lm324 LM339 lm386 logicgates logicprobe mosfet multimeter music nandgate opamp oscillator PCB phototransistor powersupply quartzcrystal relay SCR sensor signalgenerator temperature thermistor thermostat thyristor transformer transistor triac ujt voltageregulator zenerPrivacy

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