474系列芯片资料啊啊

DATASHEETProductspecificationSupersedesdataof1997Aug262003Oct30INTEGRATEDCIRCUITS74HC14;74HCT14HexinvertingSchmitttrigger2003Oct302PhilipsSemiconductorsProductspecificationHexinvertingSchmitttrigger74HC14;74HCT14FEATURES•Applications:–Waveandpulseshapers–Astablemultivibrators–Monostablemultivibrators.•ComplieswithJEDECstandardno.7A•ESDprotection:HBMEIA/JESD22-A114-Aexceeds2000VMMEIA/JESD22-A115-Aexceeds200V.•Specifiedfrom-40to+85°Cand-40to+125°C.DESCRIPTIONThe74HC14and74HCT14arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithlowpowerSchottkyTTL(LSTTL).TheyarespecifiedincompliancewithJEDECstandardno.7A.The74HC14and74HCT14providesixinvertingbufferswithSchmitt-triggeraction.Theyarecapableoftransformingslowlychanginginputsignalsintosharplydefined,jitter-freeoutputsignals.QUICKREFERENCEDATAGND=0V;Tamb=25°C;tr=tf=6nsNotes1.CPDisusedtodeterminethedynamicpowerdissipation(PDinμW):PD=CPD×VCC2×fi×N+Σ(CL×VCC2×fo)where:fi=inputfrequencyinMHz;fo=outputfrequencyinMHz;CL=outputloadcapacitanceinpF;VCC=supplyvoltageinVolts;N=totalloadswitchingoutputs;Σ(CL×VCC2×fo)=sumoftheoutputs.2.Fortype74HC14theconditionisVI=GNDtoVCC.Fortype74HCT14theconditionisVI=GNDtoVCC-1.5V.SYMBOLPARAMETERCONDITIONSTYPICALUNITHCHCTtPHL/tPLHpropagationdelaynAtonYCL=15pF;VCC=5V1217nsCIinputcapacitance3.53.5pFCPDpowerdissipationcapacitancepergatenotes1and278pF2003Oct303PhilipsSemiconductorsProductspecificationHexinvertingSchmitttrigger74HC14;74HCT14FUNCTIONTABLENote1.H=HIGHvoltagelevel;L=LOWvoltagelevel.ORDERINGINFORMATIONPINNINGINPUTOUTPUTnAnYLHHLTYPENUMBERPACKAGETEMPERATURERANGEPINSPACKAGEMATERIALCODE74HC14D-40to+125°C14SO14plasticSOT108-174HCT14D-40to+125°C14SO14plasticSOT108-174HC14DB-40to+125°C14SSOP14plasticSOT337-174HCT14DB-40to+125°C14SSOP14plasticSOT337-174HC14N-40to+125°C14DIP14plasticSOT27-174HCT14N-40to+125°C14DIP14plasticSOT27-174HC14PW-40to+125°C14TSSOP14plasticSOT402-174HCT14PW-40to+125°C14TSSOP14plasticSOT402-174HC14BQ-40to+125°C14DHVQFN14plasticSOT762-174HCT14BQ-40to+125°C14DHVQFN14plasticSOT762-1PINSYMBOLDESCRIPTION11Adatainput21Ydataoutput32Adatainput42Ydataoutput53Adatainput63Ydataoutput7GNDground(0V)84Ydataoutput94Adatainput105Ydataoutput115Adatainput126Ydataoutput136Adatainput14VCCsupplyvoltage2003Oct304PhilipsSemiconductorsProductspecificationHexinvertingSchmitttrigger74HC14;74HCT14handbook,halfpageMNA8391412345678141312111091A1Y2A2Y3A3YGND4Y4A5Y5A6Y6AVCCFig.1Pinconfiguration.handbook,halfpage114GND(1)1AVCC7234561Y2A2Y3A3Y1312111096A6Y5A5Y4A8GNDTopview4YMBL760Fig.2PinconfigurationDHVQFN14.(1)Thediesubstrateisattachedtothispadusingconductivedieattachmaterial.Itcannotbeusedasasupplypinorinput.handbook,halfpageMNA8401A1Y122A2Y343A3Y564A4Y985A5Y11106A6Y1312Fig.3Logicsymbol.handbook,halfpageMNA8412143658910111213Fig.4IEClogicsymbol.2003Oct305PhilipsSemiconductorsProductspecificationHexinvertingSchmitttrigger74HC14;74HCT14handbook,halfpageMNA8421A1Y122A2Y343A3Y564A4Y985A5Y11106A6Y1312Fig.5Functionaldiagram.handbook,halfpageMNA843AYFig.6Logicdiagram(oneSchmitttrigger).2003Oct306PhilipsSemiconductorsProductspecificationHexinvertingSchmitttrigger74HC14;74HCT14RECOMMENDEDOPERATINGCONDITIONSLIMITINGVALUESInaccordancewiththeAbsoluteMaximumSystem(IEC60134);voltagesarereferencedtoGND(ground=0V).Notes1.ForDIP14packages:above70°CthevalueofPDderateslinearlywith12mW/K.2.ForSO14packages:above70°CthevalueofPDderateslinearlywith8mW/K.For(T)SSOP14packages:above60°CthevalueofPDderateslinearlywith5.5mW/K.ForDHVQFN14packages:above60°CthevalueofPDderateslinearlywith4.5mW/K.SYMBOLPARAMETERCONDITIONS74HC1474HCT14UNITMIN.TYP.MAX.MIN.TYP.MAX.VCCsupplyvoltage2.05.06.04.55.05.5VVIinputvoltage0-VCC0-VCCVVOoutputvoltage0-VCC0-VCCVTamboperatingambienttemperatureseeDCandACcharacteristicsperdevice-40+25+85-40+25+85°C-40-+125-40-+125°CSYMBOLPARAMETERCONDITIONSMIN.MAX.UNITVCCsupplyvoltage-0.5+7VIIKinputdiodecurrentVI-0.5VorVIVCC+0.5V-±20mAIOKoutputdiodecurrentVO-0.5VorVOVCC+0.5V-±20mAIOoutputsourceorsinkcurrent-0.5VVOVCC+0.5V-±25mAICC;IGNDVCCorGNDcurrent-50mATstgstoragetemperature-65+150°CPtotpowerdissipationTamb=-40to+125°CDIP14packages;note1-750mWOtherpackages;note2-500mW2003Oct307PhilipsSemiconductorsProductspecificationHexinvertingSchmitttrigger74HC14;74HCT14DCCHARACTERISTICSType74HC14Atrecommendedoperatingconditions;voltagesarereferencedtoGND(ground=0V).SYMBOLPARAMETERTESTCONDITIONSMIN.TYP.(1)MAX.UNITOTHERVCC(V)Tamb=25°CVOHHIGH-leveloutputvoltageVI=VIHorVILIO=-20μA2.01.92.0-VIO=-20μA4.54.44.5-VIO=-20μA6.05.96.0-VIO=-4.0mA4.53.984.32-VIO=-5.2mA6.05.485.81-VVOLLOW-leveloutputvoltageVI=VIHorVILIO=20μA2.0-00.1VIO=20μA4.5-00.1VIO=20μA6.0-00.1VIO=4.0mA4.5-0.150.26VIO=5.2mA6.0-0.160.26VILIinputleakagecurrentVI=VCCorGND6.0--0.1μAICCquiescentsupplycurrentVI=VCCorGND;IO=06.0--2.0μATamb=-40to+85°CVOHHIGH-leveloutputvoltageVI=VIHorVILIO=-20μA2.01.9--VIO=-20μA4.54.4--VIO=-20μA6.05.9--VIO=-4.0mA4.53.84--VIO=-5.2mA6.05.34--VVOLLOW-leveloutputvoltageVI=VIHorVILIO=20μA2.0--0.1VIO=20μA4.5--0.1VIO=20μA6.0--0.1VIO=4.0mA4.5--0.33VIO=5.2mA6.0--0.33VILIinputleakagecurrentVI=VCCorGND6.0