74HC4051中文资料-数据手册-参数

DATASHEETProductspecificationFileunderIntegratedCircuits,IC06December1990INTEGRATEDCIRCUITS74HC/HCT40518-channelanalogmultiplexer/demultiplexerForacompletedatasheet,pleasealsodownload:•TheIC0674HC/HCT/HCU/HCMOSLogicFamilySpecifications•TheIC0674HC/HCT/HCU/HCMOSLogicPackageInformation•TheIC0674HC/HCT/HCU/HCMOSLogicPackageOutlinesDecember19902PhilipsSemiconductorsProductspecification8-channelanalogmultiplexer/demultiplexer74HC/HCT4051FEATURES•Wideanaloginputvoltagerange:±5V.•Low“ON”resistance:80Ω(typ.)atVCC-VEE=4.5V70Ω(typ.)atVCC-VEE=6.0V60Ω(typ.)atVCC-VEE=9.0V•Logicleveltranslation:toenable5Vlogictocommunicatewith±5Vanalogsignals•Typical“breakbeforemake”builtin•Outputcapability:non-standard•ICCcategory:MSIGENERALDESCRIPTIONThe74HC/HCT4051arehigh-speedSi-gateCMOSdevicesandarepincompatiblewiththe“4051”ofthe“4000B”series.TheyarespecifiedincompliancewithJEDECstandardno.7A.The74HC/HCT4051are8-channelanalogmultiplexers/demultiplexerswiththreedigitalselectinputs(S0toS2),anactiveLOWenableinput(E),eightindependentinputs/outputs(Y0toY7)andacommoninput/output(Z).WithELOW,oneoftheeightswitchesisselected(lowimpedanceON-state)byS0toS2.WithEHIGH,allswitchesareinthehighimpedanceOFF-state,independentofS0toS2.VCCandGNDarethesupplyvoltagepinsforthedigitalcontrolinputs(S0toS2,andE).TheVCCtoGNDrangesare2.0to10.0VforHCand4.5to5.5VforHCT.Theanaloginputs/outputs(Y0toY7,andZ)canswingbetweenVCCasapositivelimitandVEEasanegativelimit.VCC-VEEmaynotexceed10.0V.Foroperationasadigitalmultiplexer/demultiplexer,VEEisconnectedtoGND(typicallyground).QUICKREFERENCEDATAVEE=GND=0V;Tamb=25°C;tr=tf=6nsNotes1.CPDisusedtodeterminethedynamicpowerdissipation(PDinμW):PD=CPD×VCC2×fi+∑{(CL+CS)×VCC2×fo}where:fi=inputfrequencyinMHzfo=outputfrequencyinMHz∑{(CL+CS)×VCC2×fo}=sumofoutputsCL=outputloadcapacitanceinpFCS=max.switchcapacitanceinpFVCC=supplyvoltageinV2.ForHCtheconditionisVI=GNDtoVCCForHCTtheconditionisVI=GNDtoVCC-1.5VSYMBOLPARAMETERCONDITIONSTYPICALUNITHCHCTtPZH/tPZLturn“ON”timeCL=15pF;RL=1kΩ;VCC=5VEtoVos2222nsSntoVos2024nstPHZ/tPLZturn“OFF”timeEtoVos1816nsSntoVos1920nsCIinputcapacitance3.53.5pFCPDpowerdissipationcapacitanceperswitchnotes1and22525pFCSmax.switchcapacitanceindependent(Y)55pFcommon(Z)2525pFDecember19903PhilipsSemiconductorsProductspecification8-channelanalogmultiplexer/demultiplexer74HC/HCT4051ORDERINGINFORMATIONSee“74HC/HCT/HCU/HCMOSLogicPackageInformation”.PINDESCRIPTIONPINNO.SYMBOLNAMEANDFUNCTION3Zcommoninput/output6Eenableinput(activeLOW)7VEEnegativesupplyvoltage8GNDground(0V)11,10,9S0toS2selectinputs13,14,15,12,1,5,2,4Y0toY7independentinputs/outputs16VCCpositivesupplyvoltageFig.1Pinconfiguration.Fig.2Logicsymbol.Fig.3IEClogicsymbol.December19904PhilipsSemiconductorsProductspecification8-channelanalogmultiplexer/demultiplexer74HC/HCT4051Fig.4Functionaldiagram.APPLICATIONS•Analogmultiplexinganddemultiplexing•Digitalmultiplexinganddemultiplexing•SignalgatingFUNCTIONTABLENotes1.H=HIGHvoltagelevelL=LOWvoltagelevelX=don’tcareINPUTSchannelONES2S1S0LLLLLLLLLLHHLHLHY0-ZY1-ZY2-ZY3-ZLLLLHHHHLLHHLHLHY4-ZY5-ZY6-ZY7-ZHXXXnoneFig.5Schematicdiagram(oneswitch).December19905PhilipsSemiconductorsProductspecification8-channelanalogmultiplexer/demultiplexer74HC/HCT4051RATINGSLimitingvaluesinaccordancewiththeAbsoluteMaximumSystem(IEC134)VoltagesarereferencedtoVEE=GND(ground=0V)Notetoratings1.ToavoiddrawingVCCcurrentoutofterminalZ,whenswitchcurrentflowsinterminalsYn,thevoltagedropacrossthebidirectionalswitchmustnotexceed0.4V.IftheswitchcurrentflowsintoterminalZ,noVCCcurrentwillflowoutofterminalsYn.Inthiscasethereisnolimitforthevoltagedropacrosstheswitch,butthevoltagesatYnandZmaynotexceedVCCorVEE.RECOMMENDEDOPERATINGCONDITIONSSYMBOLPARAMETERMIN.MAX.UNITCONDITIONSVCCDCsupplyvoltage-0.5+11.0V±IIKDCdigitalinputdiodecurrent20mAforVI-0.5VorVIVCC+0.5V±ISKDCswitchdiodecurrent20mAforVS-0.5VorVSVCC+0.5V±ISDCswitchcurrent25mAfor-0.5VVSVCC+0.5V±IEEDCVEEcurrent20mA±ICC;±IGNDDCVCCorGNDcurrent50mATstgstoragetemperaturerange-65+150°CPtotpowerdissipationperpackagefortemperaturerange:-40to+125°C74HC/HCTplasticDIL750mWabove+70°C:deratelinearlywith12mW/Kplasticmini-pack(SO)500mWabove+70°C:deratelinearlywith8mW/KPSpowerdissipationperswitch100mWSYMBOLPARAMETER74HC74HCTUNITCONDITIONSmin.typ.max.min.typ.max.VCCDCsupplyvoltageVCC-GND2.05.010.04.55.05.5VseeFigs6and7VCCDCsupplyvoltageVCC-VEE2.05.010.02.05.010.0VseeFigs6and7VIDCinputvoltagerangeGNDVCCGNDVCCVVSDCswitchvoltagerangeVEEVCCVEEVCCVTamboperatingambienttemperaturerange-40+85-40+85°CseeDCandACCHARACTERISTICSTamboperatingambienttemperaturerange-40+125-40+125°Ctr,tfinputriseandfalltimes6.010005004002506.0500nsVCC=2.0VVCC=4.5VVCC=6.0VVCC=10.0VDecember19906PhilipsSemiconductorsProductspecification8-channelanalogmultiplexer/demultiplexer74HC/HCT4051Fig.6Guaranteedoperatingareaasafunctionofthesupplyvoltagesfor74HC4051.Fig.7Guaranteedoperatingareaasafunctionofthesupplyvoltagesfor74HCT4051.DCCHARACTERISTICSFOR74HC/HCTFor74HC:VCC-GNDorVCC-VEE=2.0,4.5,6.0and9.0VFor74HCT:VCC-GND=4.5and5.5V;VCC-VEE=2.0,4.5,6.0and9.0VNotestoDCcharacter