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74AHCT245PW.pdf

74AHCT245PW.pdf

上传者: gwabwy 2013-12-08 评分 0 0 0 0 0 0 暂无简介 简介 举报

简介:本文档为《74AHCT245PWpdf》,可适用于IT/计算机领域,主题内容包含AHCAHCTOctalbustransceiverstateGeneraldescriptionTheAHCAHCTisahighspeedSig符等。

AHCAHCTOctalbustransceiverstateGeneraldescriptionTheAHCAHCTisahighspeedSigateCMOSdeviceTheAHCAHCTisanoctaltransceiverfeaturingnoninvertingstatebuscompatibleoutputsinbothsendandreceivedirectionsTheAHCAHCTfeaturesanoutputenableinput(OE),foreasycascading,andasendandreceivedirectioncontrolinput(DIR)OEcontrolstheoutputssothatthebusesareeffectivelyisolatedFeaturesnBalancedpropagationdelaysnAllinputshaveSchmitttriggeractionsnInputsacceptvoltageshigherthanVCCnInputlevels:uForAHC:CMOSleveluForAHCT:TTLlevelnESDprotection:uHBMEIAJESDAEexceedsVuMMEIAJESDAAexceedsVuCDMEIAJESDCCexceedsVnMultiplepackageoptionsnSpecifiedfromCtoCandfromCtoCOrderinginformationRevAprilProductdatasheetTableOrderinginformationTypenumberPackageTemperaturerangeNameDescriptionVersionAHCDCtoCSOplasticsmalloutlinepackageleadsbodywidthmmSOTAHCTDAHCPWCtoCTSSOPplasticthinshrinksmalloutlinepackageleadsbodywidthmmSOTAHCTPWAHCBQCtoCDHVQFNplasticdualinlinecompatiblethermalenhancedverythinquadflatpackagenoleadsterminalsbodymmSOTAHCTBQNXPSemiconductorsAHCAHCTOctalbustransceiverstateFunctionaldiagramFigLogicsymbolFigIEClogicsymbolDIRBBBBBBBBAAAAAAAAOEmnaGENENmnaAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstatePinninginformationPinningPindescription()ThediesubstrateisattachedtothispadusingconductivedieattachmaterialItcannotbeusedasasupplypinorinputFigPinconfigurationSO,TSSOPFigPinconfigurationDHVQFNAHCAHCTDIRVCCAOEABABABABABABABGNDBaakaakAHCAHCTTransparenttopviewBAABABABABABABAOEGNDBDIRVCCterminalindexareaGND()TablePindescriptionSymbolPinDescriptionDIRdirectioncontrolinputAdatainputoutputAdatainputoutputAdatainputoutputAdatainputoutputAdatainputoutputAdatainputoutputAdatainputoutputAdatainputoutputGNDground(V)BdatainputoutputBdatainputoutputBdatainputoutputBdatainputoutputAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofBdatainputoutputBdatainputoutputNXPSemiconductorsAHCAHCTOctalbustransceiverstateFunctionaldescriptionH=HIGHvoltagelevelL=LOWvoltagelevelX=don’tcareZ=highimpedanceOFFstateLimitingvaluesTheinputandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobservedForSOpackages:aboveCthevalueofPtotderateslinearlyatmWKForTSSOPpackages:aboveCthevalueofPtotderateslinearlyatmWKForDHVQFNpackages:aboveCthevalueofPtotderateslinearlyatmWKBdatainputoutputBdatainputoutputOEoutputenableinput(activeLOW)VCCsupplyvoltageTablePindescription…continuedSymbolPinDescriptionTableFunctiontableControlInputoutputOEDIRAnBnLLA=BinputsLHinputsB=AHXZZTableLimitingvaluesInaccordancewiththeAbsoluteMaximumRatingSystem(IEC)VoltagesarereferencedtoGND(ground=V)SymbolParameterConditionsMinMaxUnitVCCsupplyvoltageVVIinputvoltageVIIKinputclampingcurrentVI<VmAIOKoutputclampingcurrentVO<VorVO>VCCVmAIOoutputcurrentVO=Vto(VCCV)mAICCsupplycurrentmAIGNDgroundcurrentmATstgstoragetemperatureCPtottotalpowerdissipationTamb=CtoCmWAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstateRecommendedoperatingconditionsStaticcharacteristicsTableOperatingconditionsSymbolParameterConditionsMinTypMaxUnitAHCVCCsupplyvoltageVVIinputvoltageVVOoutputvoltageVCCVTambambienttemperatureCtVinputtransitionriseandfallrateVCC=VtoVnsVVCC=VtoVnsVAHCTVCCsupplyvoltageVVIinputvoltageVVOoutputvoltageVCCVTambambienttemperatureCtVinputtransitionriseandfallrateVCC=VtoVnsVTableStaticcharacteristicsAtrecommendedoperatingconditionsvoltagesarereferencedtoGND(ground=V)SymbolParameterConditionsCCtoCCtoCUnitMinTypMaxMinMaxMinMaxAHCVIHHIGHlevelinputvoltageVCC=VVVCC=VVVCC=VVVILLOWlevelinputvoltageVCC=VVVCC=VVVCC=VVVOHHIGHleveloutputvoltageVI=VIHorVILIO=µAVCC=VVIO=µAVCC=VVIO=µAVCC=VVIO=mAVCC=VVIO=mAVCC=VVVOLLOWleveloutputvoltageVI=VIHorVILIO=µAVCC=VVIO=µAVCC=VVIO=µAVCC=VVAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofIO=mAVCC=VVIO=mAVCC=VVNXPSemiconductorsAHCAHCTOctalbustransceiverstateIIinputleakagecurrentVI=VorGNDVCC=VtoVµAIOZOFFstateoutputcurrentVI=VIHorVILVO=VCCorGNDVCC=VµAICCsupplycurrentVI=VCCorGNDIO=AVCC=VµACIinputcapacitanceVI=VCCorGNDpFCOoutputcapacitancepFAHCTVIHHIGHlevelinputvoltageVCC=VtoVVVILLOWlevelinputvoltageVCC=VtoVVVOHHIGHleveloutputvoltageVI=VIHorVILVCC=VIO=µAVIO=mAVVOLLOWleveloutputvoltageVI=VIHorVILVCC=VIO=µAVIO=mAVIIinputleakagecurrentVI=VorGNDVCC=VtoVµAIOZOFFstateoutputcurrentVI=VIHorVILVO=VCCorGNDperinputpinotherinputsatVCCorGNDIO=AVCC=VµAICCsupplycurrentVI=VCCorGNDIO=AVCC=VµAICCadditionalsupplycurrentperinputpinVI=VCCVotherpinsatVCCorGNDIO=AVCC=VtoVmACIinputcapacitanceVI=VCCorGNDpFCOoutputcapacitancepFTableStaticcharacteristics…continuedAtrecommendedoperatingconditionsvoltagesarereferencedtoGND(ground=V)SymbolParameterConditionsCCtoCCtoCUnitMinTypMaxMinMaxMinMaxAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstateDynamiccharacteristicsTableDynamiccharacteristicsVoltagesarereferencedtoGND(ground=V)fortestcircuitseeFigureSymbolParameterConditionsCCtoCCtoCUnitMinTypMaxMinMaxMinMaxAHCtpdpropagationdelayAntoBnBntoAnseeFigureVCC=VtoVCL=pFnsCL=pFnsVCC=VtoVCL=pFnsCL=pFnstenenabletimeOEtoAnOEtoBnsignalnameDIRseeFigureVCC=VtoVCL=pFnsCL=pFnsVCC=VtoVCL=pFnsCL=pFnstdisdisabletimeOEtoAnOEtoBnsignalnameDIRseeFigureVCC=VtoVCL=pFnsCL=pFnsVCC=VtoVCL=pFnsCL=pFnsCPDpowerdissipationcapacitancefi=MHzVI=GNDtoVCCpFAHCTVCC=VtoVtpdpropagationdelayAntoBnBntoAnseeFigureCL=pFnsCL=pFnstenenabletimeOEtoAnOEtoBnsignalnameDIRseeFigureAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofCL=pFnsCL=pFnsNXPSemiconductorsAHCAHCTOctalbustransceiverstateTypicalvaluesaremeasuredatnominalsupplyvoltage(VCC=VandVCC=V)tpdisthesameastPLHandtPHLtenisthesameastPZLandtPZHtdisisthesameastPLZandtPHZCPDisusedtodeterminethedynamicpowerdissipation(PDinµW)PD=CPDVCCfiNΣ(CLVCCfo)where:fi=inputfrequencyinMHzfo=outputfrequencyinMHzCL=outputloadcapacitanceinpFVCC=supplyvoltageinVN=numberofinputsswitchingΣ(CLVCCfo)=sumoftheoutputsWaveformstdisdisabletimeOEtoAnOEtoBnsignalnameDIRseeFigureCL=pFnsCL=pFnsCPDpowerdissipationcapacitancefi=MHzVI=GNDtoVCCpFTableDynamiccharacteristics…continuedVoltagesarereferencedtoGND(ground=V)fortestcircuitseeFigureSymbolParameterConditionsCCtoCCtoCUnitMinTypMaxMinMaxMinMaxMeasurementpointsaregiveninTableVOLandVOHaretypicalvoltageoutputlevelsthatoccurwiththeoutputloadFigInputtooutputpropagationdelaysmnaAn,BninputBn,AnoutputtPLHtPHLGNDVIVMVMVMVMVOHVOLAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstateMeasurementpointsaregiveninTableVOLandVOHaretypicalvoltageoutputlevelsthatoccurwiththeoutputloadFigEnableanddisabletimesmnatPLZtPHZoutputsdisabledoutputsenabledVYVXoutputsenabledoutputLOWtoOFFOFFtoLOWoutputHIGHtoOFFOFFtoHIGHOEinputVIVOLVOHVCCVMGNDGNDtPZLtPZHVMVMTableMeasurementpointsTypeInputOutputVMVMVXVYAHCVCCVCCVOLVVOHVAHCTVVCCVOLVVOHVAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstateTestdataisgiveninTableDefinitionstestcircuit:RT=TerminationresistanceshouldbeequaltooutputimpedanceZoofthepulsegeneratorCL=LoadcapacitanceincludingjigandprobecapacitanceRL=LoadresistanceS=TestselectionswitchFigLoadcircuitryformeasuringswitchingtimesVMVMtWtWVVIVInegativepulsepositivepulseVVMVMtftrtrtfaadDUTVCCVCCVIVORTRLSCLopenGTableTestdataTypeInputLoadSpositionVItr,tfCLRLtPHL,tPLHtPZH,tPHZtPZL,tPLZAHCVCCnspF,pFkΩopenGNDVCCAHCTVnspF,pFkΩopenGNDVCCAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstatePackageoutlineUNITAmaxAAAbpcD()E()()eHELLpQZywvqREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmminchesooDIMENSIONS(inchdimensionsarederivedfromtheoriginalmmdimensions)NotePlasticormetalprotrusionsofmm(inch)maximumpersidearenotincludedSOTwMbpdetailXZeDyEMSpinindexmmscaleXqAAAHELpQEcLvMA(A)ASO:plasticsmalloutlinepackageleadsbodywidthmmSOTAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofFigPackageoutlineSOT(SO)NXPSemiconductorsAHCAHCTOctalbustransceiverstateUNITAAAbpcD()E()()eHELLpQZywvqREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmmooDIMENSIONS(mmaretheoriginaldimensions)NotesPlasticormetalprotrusionsofmmmaximumpersidearenotincludedPlasticinterleadprotrusionsofmmmaximumpersidearenotincludedSOTMOwMbpDZepinindexqAAALpQdetailXL(A)HEEcvMAXAymmscaleTSSOP:plasticthinshrinksmalloutlinepackageleadsbodywidthmmSOTAmaxAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofFigPackageoutlineSOT(TSSOP)NXPSemiconductorsAHCAHCTOctalbustransceiverstateterminalindexareaAEhbUNITyecREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmmDhyeDIMENSIONS(mmaretheoriginaldimensions)SOTMOLvwmmscaleSOTDHVQFN:plasticdualinlinecompatiblethermalenhancedverythinquadflatpackagenoleadsterminalsbodyxxmmA()maxAAcdetailXyyCeLEhDheebXDECBAterminalindexareaACCBvMwME()NotePlasticormetalprotrusionsofmmmaximumpersidearenotincludedD()AHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofFigPackageoutlineSOT(DHVQFN)NXPSemiconductorsAHCAHCTOctalbustransceiverstateAbbreviationsRevisionhistoryTableAbbreviationsAcronymDescriptionCDMChargedDeviceModelCMOSComplementaryMetalOxideSemiconductorDUTDeviceUnderTestESDElectroStaticDischargeHBMHumanBodyModelMMMachineModelTTLTransistorTransistorLogicTableRevisionhistoryDocumentIDReleasedateDatasheetstatusChangenoticeSupersedesAHCAHCTProductdatasheetAHCAHCTModifications:•Section:DHVQFNpackageadded•Section:deratingvaluesaddedforDHVQFNpackage•Section:outlinedrawingaddedforDHVQFNpackageAHCAHCTProductdatasheetAHCAHCTNAHCAHCTNProductdatasheetAHCAHCTAHCAHCTProductspecificationAHCAHCTAHCAHCTProductspecificationAHCAHCTNXPBVAllrightsreservedProductdatasheetRevAprilofNXPSemiconductorsAHCAHCTOctalbustransceiverstateLegalinformationDatasheetstatusPleaseconsultthemostrecentlyissueddocumentbeforeinitiatingorcompletingadesignTheterm‘shortdatasheet’isexplainedinsection“Definitions”Theproductstatusofdevice(s)describedinthisdocumentmayhavechangedsincethisdocumentwaspublishedandmaydifferincaseofmultipledevicesThelatestproductstatusinformationisavailableontheInternetatURLhttp:wwwnxpcomDefinitionsDraftThedocumentisadraftversiononlyThecontentisstillunderinternalreviewandsubjecttoformalapproval,whichmayresultinmodificationsoradditionsNXPSemiconductorsdoesnotgiveanyrepresentationsorwarrantiesastotheaccuracyorcompletenessofinformationincludedhereinandshallhavenoliabilityfortheconsequencesofuseofsuchinformationShortdatasheetAshortdatasheetisanextractfromafulldatasheetwiththesameproducttypenumber(s)andtitleAshortdatasheetisintendedforquickreferenceonlyandshouldnotbereliedupontocontaindetailedandfullinformationFordetailedandfullinformationseetherelevantfulldatasheet,whichisavailableonrequestviathelocalNXPSemiconductorssalesofficeIncaseofanyinconsistencyorconflictwiththeshortdatasheet,thefulldatasheetshallprevailDisclaimersGeneralInformationinthisdocumentisbelievedtobeaccurateandreliableHowever,NXPSemiconductorsdoesnotgiveanyrepresentationsorwarranties,expressedorimplied,astotheaccuracyorcompletenessofsuchinformationandshallhavenoliabilityfortheconsequencesofuseofsuchinformationRighttomakechangesNXPSemiconductorsreservestherighttomakechangestoinformationpublishedinthisdocument,includingwithoutlimitationspecificationsandproductdescriptions,atanytimeandwithoutnoticeThisdocumentsupersedesandreplacesallinformationsuppliedpriortothepublicationhereofSuitabilityforuseNXPSemiconductorsproductsarenotdesigned,authorizedorwarrantedtobesuitableforuseinmedical,military,aircraft,spaceorlifesupportequipment,norinapplicationswherefailureormalfunctionofanNXPSemiconductorsproductcanreasonablybeexpectedtoresultinpersonalinjury,deathorseverepropertyorenvironmentaldamageNXPSemiconductorsacceptsnoliabilityforinclusionandoruseofNXPSemiconductorsproductsinsuchequipmentorapplicationsandthereforesuchinclusionandoruseisatthecustomer’sownriskApplicationsApplicationsthataredescribedhereinforanyoftheseproductsareforillustrativepurposesonlyNXPSemiconductorsmakesnor

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