SCES586D –JULY 2004–REVISED JUNE 2015 …

1 CLRCextRext/CextRBAQ123765 ProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunitySN74 LVC1G123 SCES586D JULY2004 REVISEDJUNE2015SN74 LVC1G123 SingleRetriggerableMonostableMultivibrat orWith Schmitt-TriggerInputs1 Features3 DescriptionThe SN74 LVC1G123deviceis a singleretriggerable1 Availablein the TexasInstrumentsmonostablemultivibratord esignedfor PackageVCCoperation. Supports5-V VCCO perationThismonostablemultivibratorfeatu resoutputpulse- InputsAcceptVoltagesto Vdurationcontrolby the first method, Max tpdof 8 ns at Vthe A inputis low, and the B the SupportsMixed-ModeVoltageOperationonseco ndmethod,the B inputis high,and the A inputgoeslow. In the thirdmethod,the A inputis low, theAll PortsB inputis high,and the clear(CLR)inputgoeshigh.

2 SupportsDownTranslationto VCCThe outputpulsedurationis programmedby selecting Schmitt-TriggerCircuitryon A and B connectedbetween EdgeTriggeredFromActive-Highor Active-LowCextand Rext/Cext(positive)and an externalresistorGatedLogicInputsconnecte dbetweenRext/CextandVCC. To obtain Retriggerablefor VeryLongOutputPulses,Up tovariablepulsedurations,connectan externalvariable100%DutyCycleresistanceb etweenRext/CextandVCC. Theoutputpulsedurationalsocan be reducedby takingCLR OverridingClearTerminatesOutputPulselow. Glitch-FreePower-UpReseton OutputsPulsetriggeringoccursat a particularvoltagelevel IoffSupportsLive Insertion,Partial-Power-Downand is not directlyrelatedto the transitiontimeof theMode,and A and B inputshaveSchmitttriggers Latch-UpPerformanceExceeds100 mA Perwithsufficienthysteresisto handleslowinputJESD78, ClassIItransitionrateswithjitter-freetri ggeringat theoutputs.

3 ESDP rotectionExceedsJESD22 2000-VHuman-BodyModel(A114-A)DeviceInfor mation(1) 200-VMachineModel(A115-A)PARTNUMBERPACKA GEBODYSIZE(NOM) 1000-VCharged-DeviceModel(C101)SSOP(8) (8) ApplicationsDSBGA(8) AV Receivers(1) For all availablepackages,see the orderableaddendumat Blu-rayPlayersand HomeTheatersthe end of the datasheet. DVDR ecordersand PlayersLogicDiagram(PositiveLogic) DesktopPCs or NotebookPCs DigitalRadioand InternetRadioPlayers DigitalVideoCameras(DVC) EmbeddedPCs GPS:PersonalNavigationDevices MobileInternetDevices NetworkAttachedStorage(NAS) PersonalDigitalAssistant(PDA) ServerPSU Solid-StateDrive(SSD):Clientand Enterprise VideoAnalyticsServers WirelessHeadsets,Keyboards,and Mice1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JULY2004 Contents1 Pin Configurationand Applicationand Deviceand ,CL= 15 pF, 40 C to85 ,CL= 50 pF, 40 C ,CL= 50 pF, 40 C Mechanical,Packaging,and RevisionHistoryNOTE.

4 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (October2013)to RevisionDPage AddedApplications,DeviceInformationtable ,Pin Configurationand Functionssection,ESDR atingstable,TypicalCharacteristics,Featu reDescriptionsection,DeviceFunctionalMod es,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and (January2007)to RevisionCPage Updateddocumentto new TI 2004 2015,TexasInstrumentsIncorporatedProduct FolderLinks:SN74 LVC1G123 BGNDVCCQCLR25348617 ACextRext/Cext32451 AVCCRext/CextBGNDCLRCextQ678 Cext32581 JULY2004 REVISEDJUNE20155 Pin Configurationand FunctionsDCTP ackageDCUP ackage8-PinSSOP8-PinVSSOPTop ViewTop ViewSee mechanicaldrawingsfor ;requiresB and CLRto be held ;requiresA to be held low and CLRto be held ,ActiveLow.

5 Also can operateas risingedgesensitiveinputif A is held low and B is held GroundQ5 OOutputCext6 Connectsonly to the externalcapacitorRext/Cext7 Connectsto the externalcapacitorand resistorVCC8 PowerCopyright 2004 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:SN74 LVC1G123SN74 LVC1G123 SCES586D JULY2004 (unlessotherwisenoted)(1)MINMAXUNITVCCS upplyvoltage (2) any outputin the high-impedanceor power-offstate(2) any outputin the high or low state(2)(3) + < 0 50mAIOKO utputclampcurrentVO< 0 50mAIOC ontinuousoutputcurrent 50mAContinuouscurrentthroughVCCor GND 100mATstgStoragetemperature 65150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.

6 (2)The inputand outputnegative-voltageratingsmay be exceededif the inputand outputclamp-currentratingsare observed.(3)The valueof VCCis providedin (HBM),per ANSI/ESDA/JEDECJS-001(1)+2000V(ESD)Elect rostaticdischargeVCharged-devicemodel(CD M),per JEDEC specificationJESD22-+1000C101(2)(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (unlessotherwisenoted)(1) to VCCVCC= V to 3 V to V2 VCC= V to VCCVCC= to VCCVCC= V to 3 V to V to 4 VCC= V 8 IOHHigh-leveloutputcurrent 16mAVCC= 3 V 24 VCC= V 32(1)All unusedinputsof the devicemustbe held at VCCor GNDto the TI applicationreport,Implicationsof Slowor FloatingCMOSI nputs, 2004 2015, JULY2004 REVISEDJUNE2015 RecommendedOperatingConditions(continued )overoperatingfree-airtemperaturerange(u nlessotherwisenoted)(1)MINMAXUNITVCC= V8 IOLLow-leveloutputcurrent16mAVCC= 3 V24 VCC= V32 VCC= 2 V5 Rext(2)

7 Externaltimingresistancek VCC 3 V1 TAOperatingfree-airtemperature 40125 C(2)Rext/Cextis an I/O and mustnot be connecteddirectlyto GNDor (1)DCT(SSOP)DCU(VSSOP)YZP(DSBGA)UNIT8 PINS8 PINS8 PINSR JAJunction-to-ambientthermalresistance22 0227102 C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, (unlessotherwisenoted) 40 C TO 85 C 40 C TO 125 CPARAMETERTESTCONDITIONSVCCUNITMINTYP(1) MAXMINTYP(1) toIOH= 100 AVCC VIOH= 4 8 16 VIOH= 24 32 toIOL= 100 VIOL= 4 8 16 VIOL= 24 32 (2)B = GND,A = CLR= VCC toII VA, B, CLRVI= V or GND 1 1 IoffA, B, Q, CLRVIor VO= V0 10 10 AICCQ uiescentVI= VCCor GND,IO= V2020 V220220 ICCA ctivestateVI= VCCor GND,Rext/Cext= VCC3 V280280 V975975 CIVI= VCCor V3pF(1)All typicalvaluesare at VCC= V, TA= 25 C.

8 (2)This test is performedwith the terminalin the 2004 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:SN74 LVC1G123 ABCLRQ twtwtw + trrtrrRext/CextVCCRCCextRext/CextSN74 LVC1G123 SCES586D JULY2004 (unlessotherwisenoted)(seeFigure8) 40 C TO 125 CVCC= VVCC= VVCC= VVCC= 5 VPARAMETERTESTCONDITIONSUNIT V V or B 100 1 k Cext= 100 strrPulseretriggertimeCext= 100 pF7545nsRext= 5 k Cext= 100 sFigure1. RequiredTimingCircuitFigure2. Input/OutputTimingDiagram6 SubmitDocumentationFeedbackCopyright 2004 2015, JULY2004 ,CL= 15 pF, 40 C to 85 Coverrecommendedoperatingfree-airtempera turerange,CL= 15 pF (unlessotherwisenoted)(seeFigure8) 40 C TO 85 CFROMTOVCC= VVCC= VVCC= VVCC= 5 VPARAMETERUNIT(INPUT)(OUTPUT) V V VMINTYPMAXMINMAXMINMAXMINMAXA or ,CL= 50 pF, 40 C to 85 Coverrecommendedoperatingfree-airtempera turerange,CL= 50 pF (unlessotherwisenoted)(seeFigure9) 40 C TO 85 CFROMTOTESTVCC= VVCC= VVCC= VVCC= 5 VPARAMETERUNIT(INPUT)(OUTPUT)CONDITIONS V V VMINTYP(1)MAXMINMAXMINMAXMINMAXA or 28 pF,225600190220170200150180nsRext= 2 k Cext= F,twOUT(2)

9 Q100110100110100110100110 sRext= 10 k Cext= F, 10 k (1)TA= 25 C(2)tw= Durationof pulseat Q ,CL= 50 pF, 40 C to 125 Coverrecommendedoperatingfree-airtempera turerange,CL= 50 pF (unlessotherwisenoted)(seeFigure9) 40 C TO 125 CFROMTOTESTVCC= VVCC= VVCC= VVCC= 5 VPARAMETERUNIT(INPUT)(OUTPUT)CONDITIONS V V VMINTYP(1)MAXMINMAXMINMAXMINMAXA or 28 pF,225600190220170200150180nsRext= 2 k Cext= F,twOUT(2)Q100110100110100110100110 sRext= 10 k Cext= F, 10 k (1)TA= 25 C(2)tw= Durationof pulseat Q 25 CVCC= VVCC= VVCC= VVCC= 5 VPARAMETERTESTCONDITIONSUNITTYPTYPTYPTYP Rext= 1 k ,3537No CextPowerdissipationA = low, B = high,CpdpFcapacitanceCLR= 10 MHzRext= 5 k ,4140No CextCopyright 2004 2015.

10 TexasInstrumentsIncorporatedSubmitDocume ntationFeedback7 Time sVCC Supply Voltage V1000 F10 pF1091061031108107105104102101tw Output Pulse Duration nsCext External Timing Capacitance pF10102103104105106 VCC= 5 VTA= 25 CRL=1 k 5 k 10 k 100 k 200 k tw Output Pulse Duration Constant KVCC Supply Voltage F tw Output Pulse Duration nsCext External Timing Capacitance pF10910610310102103104105106110810710510 4102101 VCC= VTA= 25 CRL=5 k 10 k 100 k 200 k 1091061031108107105104102101tw Output Pulse Duration nsCext External Timing Capacitance pF10102103104105106 VCC= VTA= 25 CRL=1 k 5 k 10 k 100 k 200 k SN74 LVC1G123 SCES586D JULY2004 (unlessotherwisenoted)Figure3.