常用74系列 74ls 74hc系列逻辑门电路

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1、www.plcworld.cn5400/DM5400/DM7400Quad2-InputNANDGatesJune19895400/DM5400/DM7400Quad2-InputNANDGatesGeneralDescriptionFeaturesThisdevicecontainsfourindependentgateseachofwhichYAlternateMilitary/Aerospacedevice(5400)isavailable.performsthelogicNANDfunction.ContactaNati

2、onalSemiconductorSalesOffice/Distrib-utorforspecifications.ConnectionDiagramDual-In-LinePackageTL/F/6613±1OrderNumber5400DMQB,5400FMQB,DM5400J,DM5400WorDM7400NSeeNSPackageNumberJ14A,N14AorW14BFunctionTableYeABInputsOutputABYLLHLHHHLHHHLHeHighLogicLevelLeLowLogicLevel

3、C1995NationalSemiconductorCorporationTL/F/6613RRD-B30M105/PrintedinU.S.A.www.plcworld.cnAbsoluteMaximumRatings(Note)IfMilitary/Aerospacespecifieddevicesarerequired,Note:The``AbsoluteMaximumRatings''arethosevaluespleasecontacttheNationalSemiconductorSalesbeyondwhichth

4、esafetyofthedevicecannotbeguaran-Office/Distributorsforavailabilityandspecifications.teed.Thedeviceshouldnotbeoperatedattheselimits.TheSupplyVoltage7Vparametricvaluesdefinedinthe``ElectricalCharacteristics''tablearenotguaranteedattheabsolutemaximumratings.InputVoltag

5、e5.5VThe``RecommendedOperatingConditions''tablewilldefineOperatingFreeAirTemperatureRangetheconditionsforactualdeviceoperation.DM54and54b55§Ctoa125§CDM740§Ctoa70§CStorageTemperatureRangeb65§Ctoa150§CRecommendedOperatingConditionsDM5400DM7400SymbolParameterUnitsMinNom

6、MaxMinNomMaxVCCSupplyVoltage4.555.54.7555.25VVIHHighLevelInputVoltage22VVILLowLevelInputVoltage0.80.8VIOHHighLevelOutputCurrentb0.4b0.4mAIOLLowLevelOutputCurrent1616mATAFreeAirOperatingTemperatureb55125070§CElectricalCharacteristicsoverrecommendedoperatingfreeairtemp

7、eraturerange(unlessotherwisenoted)TypSymbolParameterConditionsMinMaxUnits(Note1)VIInputClampVoltageVCCeMin,IIeb12mAb1.5VVOHHighLevelOutputVCCeMin,IOHeMax2.43.4VVoltageVILeMaxVOLLowLevelOutputVCCeMin,IOLeMax0.20.4VVoltageVIHeMinIIInputCurrent@MaxVCCeMax,VIe5.5V1mAInpu

8、tVoltageIIHHighLevelInputCurrentVCCeMax,VIe2.4V40mAIILLowLevelInputCurrentVCCeMax,VIe0.4Vb1.6mAIOSShortCircuitVCCeMaxDM54b20b55mAOu