74HC4050D-T中文资料74HC4050D-T中文资料DATASHEETProductspecificationFileunderIntegratedCircuits,IC06December1990INTEGRATEDCIRCUITS74HC4050Hexhigh-to-lowlevelshifterForacompletedatasheet,pleasealsodownload:•TheIC0674HC/HCT/HCU/HCMOSLogicFamilySpecifications•TheIC0674HC/HCT/HCU/HCMOSLog...
74HC4050D-T中文资料DATASHEETProductspecificationFileunderIntegratedCircuits,IC06December1990INTEGRATEDCIRCUITS74HC4050Hexhigh-to-lowlevelshifterForacompletedatasheet,pleasealsodownload:•TheIC0674HC/HCT/HCU/HCMOSLogicFamilySpecifications•TheIC0674HC/HCT/HCU/HCMOSLogicPackageInformation•TheIC0674HC/HCT/HCU/HCMOSLogicPackageOutlinesFEATURES•Outputcapability:standard•ICCcategory:SSIGENERALDESCRIPTIONThe74HC4050isahigh-speedSi-gateCMOSdeviceandispincompatiblewiththe“4050”ofthe“4000B”series.ItisspecifiedincompliancewithJEDECstandardno.7A.The74HC4050providessixnon-invertingbufferswithamodifiedinputprotectionstructure,whichhasnodiodeconnectedtoVCC.Inputvoltagesofupto15Vmaythereforebeused.Thisfeatureenablesthenon-invertingbufferstobeusedaslogicleveltranslators,whichwillconverthighlevellogictolowlevellogic,whileoperatingfromalowvoltagepowersupply.Forexample15Vlogic(“4000Bseries”)canbeconverteddownto2Vlogic.TheactualinputswitchlevelremainsrelatedtotheVCCandisthesameasmentionedinthefamilycharacteristics.APPLICATIONS•Converting15Vlogic(“4000B”series)downto2Vlogic.QUICKREFERENCEDATAGND=0V;Tamb=25°C;tr=tf=6nsNotes1.CPDisusedtodeterminethedynamicpowerdissipation(PDinµW):PD=CPD×VCC2×fi+∑(CL×VCC2×fo)where:fi=inputfrequencyinMHzfo=outputfrequencyinMHzCL=outputloadcapacitanceinpFVCC=supplyvoltageinV∑(CL×VCC2×fo)=sumofoutputsORDERINGINFORMATIONSee“74HC/HCT/HCU/HCMOSLogicPackageInformation”.SYMBOLPARAMETERCONDITIONSTYPICALUNITHCtPHL/tPLHpropagationdelaynAtonYCL=15pF;VCC=5V7nsCIinputcapacitance3.5pFCPDpowerdissipationcapacitanceperbuffernote114pFPINDESCRIPTIONPINNO.SYMBOLNAMEANDFUNCTION1VCCpositivesupplyvoltage2,4,6,10,12,151Yto6Ydataoutputs3,5,7,9,11,141Ato6Adatainputs8GNDground(0V)13,16n.c.notconnectedFig.1Pinconfiguration.Fig.2Logicsymbol.Fig.3IEClogicsymbol.Fig.4Functionaldiagram.Fig.5InputprotectionforHC4050.Singlesidedthickoxidefieldeffectmetalgatetransistorasinputprotection.FUNCTIONTABLE(1)Note1.H=HIGHvoltagelevelL=LOWvoltagelevelINPUTOUTPUTnAnYLHLHFig.6Logicdiagram(onelevelshifter).RATINGSLimitingvaluesinaccordancewiththeAbsoluteMaximumSystem(IEC134)VoltagesarereferencedtoGND(ground=0V)RECOMMENDEDOPERATINGCONDITIONSSYMBOLPARAMETERMIN.MAX.UNITCONDITIONSVCCDCsupplyvoltage−0.5+7VVIKDCinputvoltagerange−0.5+16V−IIKDCinputdiodecurrent20mAforVI<−0.5V±IOKDCoutputdiodecurrent20mAforVO<−0.5VorVO>VCC+0.5V±IODCoutputsourceorsinkcurrent-standardoutputs25mAfor−0.5V
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