CD14538BKMSR中文资料

CD14538BMSPrinterFriendlyVersionMonostableMultivibrator,Precision,Dual,Rad-Hard,Logic,CMOSGetDatasheetOrderingInformationPartNo.StatusTemp.PackageMSLSMDPriceUS$CD14538BDMSRActive-N/A5962R9670201VECContactUsCD14538BKMSRActive-N/A5962R9670201VXCContactUsThepricelistedisthemanufacturer'ssuggestedretailpriceforquantitiesbetween100and999units.However,pricesintoday'smarketarefluidandmaychangewithoutnotice.MSL=MoistureSensitivityLevel-perIPC/JEDECJ-STD-020SMD=StandardMicrocircuitDrawingDescriptionCD14538BMSdualprecisionmonostablemultivibratorprovidesstableretriggerable/resettableone-shotoperationforanyfixed-voltagetimingapplication.Anexternalresistor(RX)andanexternalcapacitor(CX)controlthetimingandaccuracyforthecircuit.AdjustmentofRXandCXprovidesawiderangeofoutputpulsewidthsfromtheQandQterminals.Thetimedelayfromtriggerinputtooutputtransition(triggerpropagationdelay)andthetimedelayfromresetinputtooutputtransition(resetpropagationdelay)areindependentofRXandCX.PrecisioncontrolofoutputpulsewidthsisachievedthroughlinearCMOStechniques.Leading-edge-triggering(+TR)andtrailing-edge-triggering(-TR)inputsareprovidedfortriggeringfromeitheredgeofaninputpulse.Anunused+TRinputshouldbetiedtoVSS.Anunused-TRinputshouldbetiedtoVDD.ARESET(onlowlevel)isprovidedforimmediateterminationoftheoutputpulseortopreventoutputpulseswhenpoweristurnedon.AnunusedRESETinputshouldbetiedtoVDD.However,ifanentiresectionoftheCD14538BMSisnotused,itsinputsmustbetiedtoeitherVDDorVSS.SeeTable1.Innormaloperationthecircuitretriggers(extendstheoutputpulseoneperiod)ontheapplicationofeachnewtriggerpulse.Foroperationinthenon-retriggerablemode,Qisconnectedto-TRwhenleading-edgetriggering(+TR)isusedorQisconnectedto+TRwhentrailing-edgetriggering(-TR)isused.Thetimeperiod(T)forthismultivibratorcanbecalculatedby:T=RXCX.Theminimumvalueofexternalresistance,RXis4K©.Theminimumandmaximumvaluesofexternalcapacitance,CX,are0pFand100µF,respectively.TheCD14538BMSisinterchangeablewithtypeMC14538andissimilartoandpin-compatiblewiththeCD4098B*andCD4538B**.*T=0.5RXCXforCXe1000pF.*T=RXCX;CXmin=5000pF.TheCD14538BMSissuppliedinthese16-leadoutlinepackages:BrazeSealDIPH4XFritSealDIPH1LCeramicFlatpackH6WCD14538BMSDeviceInformation=CD14538BMS(1of2)[27/12/200402:38:44?]KeyFeaturesHigh-VoltageType(20VRating)●Retriggerable/ResettableCapability●TriggerandResetPropagationDelaysIndependentofRX,CX●TriggeringFromLeadingorTrailingEdge●QandQBufferedOutputsAvailable●SeparateResets●WideRangeofOutput-PulseWidths●Schmitt-TriggerInputAllowsUnlimitedRiseandFallTimesOn+TRand-TRInputs●100%TestedForMaximumQuiescentCurrentat20V●MaximumInputCurrentof1µAat18VOverFullPackage-TemperatureRange:100nAat18Vand+25oC❍●NoiseMargin(FullPackage-TemperatureRange):1VatVDD=5V❍2VatVDD=10V❍2.5VatVDD=15V❍●5V,10Vand15VParametricRatings●StandardizedSymmetricalOutputCharacteristics●MeetsAllRequirementsofJEDECTentativeStandardsNo.13B,“StandardSpecificationsforDescriptionof“B”SeriesCMOSDevice’s●RelatedDocumentationDatasheet(s):RadiationHardenedCMOSDualPrecisionMonostableMultivibrator●MilitarySMD(s):RadiationHardenedCMOSDualPrecisionMonostableMultivibrator●ApplicationsPulseDelayandTiming●PulseShaping●RelatedDevicesParametricTableCD4047BMSMultivibrator,Monostable/Astable,LowPower,Rad-Hard,CMOS,LogicCD4098BMSMultivibrator,Monostable,Dual,Rad-Hard,CMOS,LogicContactUs|AboutUs|Legal|Privacy|Subscribe|SiteMap|Intranet©2004.Allrightsreserved.CD14538BMSDeviceInformation=CD14538BMS(2of2)[27/12/200402:38:44?]