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CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20031POSTOFFICEBOX655303DALLAS,TEXAS75265DACTypesFeature1.
5-Vto5.
5-VOperationandBalancedNoiseImmunityat30%oftheSupplyVoltageDSpeedofBipolarF,AS,andS,WithSignificantlyReducedPowerConsumptionDDesignedSpecificallyforHigh-SpeedMemoryDecodersandData-TransmissionSystemsDIncorporateThreeEnableInputstoSimplifyCascadingand/orDataReceptionDBalancedPropagationDelaysD±24-mAOutputDriveCurrent–Fanoutto15FDevicesDSCR-Latchup-ResistantCMOSProcessandCircuitDesignDExceeds2-kVESDProtectionPerMIL-STD-883,Method3015description/orderinginformationThe'AC138decoders/demultiplexersaredesignedforhigh-performancememory-decodinganddata-routingapplicationsthatrequireveryshortpropagation-delaytimes.
Inhigh-performancememorysystems,thesedecoderscanbeusedtominimizetheeffectsofsystemdecoding.
Whenemployedwithhigh-speedmemoriesutilizingafastenablecircuit,thedelaytimesofthesedecodersandtheenabletimeofthememoryusuallyarelessthanthetypicalaccesstimeofthememory.
Thismeansthattheeffectivesystemdelayintroducedbythedecodersisnegligible.
Theconditionsatthebinary-selectinputsandthethreeenableinputsselectoneofeightoutputlines.
Twoactive-lowandoneactive-highenableinputsreducetheneedforexternalgatesorinverterswhenexpanding.
A24-linedecodercanbeimplementedwithoutexternalinverters,anda32-linedecoderrequiresonlyoneinverter.
Anenableinputcanbeusedasadatainputfordemultiplexingapplications(seeApplicationInformation).
ORDERINGINFORMATIONTAPACKAGEORDERABLEPARTNUMBERTOP-SIDEMARKINGPDIP–ETubeCD74AC138ECD74AC138E55°Cto125°CSOICMTubeCD74AC138MAC138M–55°Cto125°CSOIC–MTapeandreelCD74AC138M96AC138MCDIP–FTubeCD54AC138F3ACD54AC138F3APackagedrawings,standardpackingquantities,thermaldata,symbolization,andPCBdesignguidelinesareavailableatwww.
ti.
com/sc/package.
OnproductscomplianttoMIL-PRF-38535,allparametersaretestedunlessotherwisenoted.
Onallotherproducts,productionprocessingdoesnotnecessarilyincludetestingofallparameters.
Copyright2003,TexasInstrumentsIncorporatedPRODUCTIONDATAinformationiscurrentasofpublicationdate.
ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
12345678161514131211109ABCG2AG2BG1Y7GNDVCCY0Y1Y2Y3Y4Y5Y6CD54AC138.
.
.
FPACKAGECD74AC138.
.
.
EORMPACKAGE(TOPVIEW)CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20032POSTOFFICEBOX655303DALLAS,TEXAS75265FUNCTIONTABLEENABLEINPUTSSELECTINPUTSOUTPUTSG1G2AG2BCBAY0Y1Y2Y3Y4Y5Y6Y7XHXXXXHHHHHHHHXXHXXXHHHHHHHHLXXXXXHHHHHHHHHLLLLLLHHHHHHHHLLLLHHLHHHHHHHLLLHLHHLHHHHHHLLLHHHHHLHHHHHLLHLLHHHHLHHHHLLHLHHHHHHLHHHLLHHLHHHHHHLHHLLHHHHHHHHHHLlogicdiagram(positivelogic)G1G2BG2ACBAY7Y6Y5Y4Y3Y2Y1Y0DataOutputsSelectInputsEnableInputs12345615141312111097CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20033POSTOFFICEBOX655303DALLAS,TEXAS75265absolutemaximumratingsoveroperatingfree-airtemperaturerange(unlessotherwisenoted)Supplyvoltagerange,VCC–0.
5Vto6VInputclampcurrent,IIK(VIVCC)(seeNote1)±20mAOutputclampcurrent,IOK(VOVCC)(seeNote1)±50mAContinuousoutputcurrent,IO(VO>0VorVOThesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperatingconditions"isnotimplied.
Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
NOTES:1.
Theinputandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobserved.
2.
ThepackagethermalimpedanceiscalculatedinaccordancewithJESD51-7.
recommendedoperatingconditions(seeNote3)TA=25°C–55°Cto125°C–40°Cto85°CUNITMINMAXMINMAXMINMAXVCCSupplyvoltage1.
55.
51.
55.
51.
55.
5VVCC=1.
5V1.
21.
21.
2VIHHigh-levelinputvoltageVCC=3V2.
12.
12.
1VVCC=5.
5V3.
853.
853.
85VCC=1.
5V0.
30.
30.
3VILLow-levelinputvoltageVCC=3V0.
90.
90.
9VVCC=5.
5V1.
651.
651.
65VIInputvoltage0VCC0VCC0VCCVVOOutputvoltage0VCC0VCC0VCCVIOHHigh-leveloutputcurrentVCC=4.
5Vto5.
5V–24–24–24mAIOLLow-leveloutputcurrentVCC=4.
5Vto5.
5V242424mAt/vInputtransitionriseorfallrateVCC=1.
5Vto3V505050ns/Vt/vInputtransitionriseorfallrateVCC=3.
6Vto5.
5V202020ns/VNOTE3:AllunusedinputsofthedevicemustbeheldatVCCorGNDtoensureproperdeviceoperation.
RefertotheTIapplicationreport,ImplicationsofSloworFloatingCMOSInputs,literaturenumberSCBA004.
CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20034POSTOFFICEBOX655303DALLAS,TEXAS75265electricalcharacteristicsoverrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)PARAMETERTESTCONDITIONSVCCTA=25°C–55°Cto125°C–40°Cto85°CUNITCCMINMAXMINMAXMINMAX1.
5V1.
41.
41.
4IOH=–50A3V2.
92.
92.
94.
5V4.
44.
44.
4VOHVI=VIHorVILIOH=–4mA3V2.
582.
42.
48VIOH=–24mA4.
5V3.
943.
73.
8IOH=–50mA5.
5V3.
85IOH=–75mA5.
5V3.
851.
5V0.
10.
10.
1IOL=50A3V0.
10.
10.
14.
5V0.
10.
10.
1VOLVI=VIHorVILIOL=12mA3V0.
360.
50.
44VIOL=24mA4.
5V0.
360.
50.
44IOL=50mA5.
5V1.
65–IOL=75mA5.
5V1.
65IIVI=VCCorGND5.
5V±0.
1±1±1AICCVI=VCCorGND,IO=05.
5V816080ACi101010pFTestoneoutputatatime,notexceeding1-secondduration.
Measurementismadebyforcingindicatedcurrentandmeasuringvoltagetominimizepowerdissipation.
Testverifiesaminimum50-transmission-linedrivecapabilityat85°Cand75-transmission-linedrivecapabilityat125°C.
switchingcharacteristicsoverrecommendedoperatingfree-airtemperaturerange,VCC=1.
5V,CL=50pF(unlessotherwisenoted)(seeFigure1)PARAMETERFROM(INPUT)TO(OUTPUT)–55°Cto125°C–40°Cto85°CUNIT(INPUT)(OUTPUT)MINMAXMINMAXtPLHABCAnyY138125nstPHLA,B,CAnyY138125nstPLHG1AnyY138125nstPHLG1AnyY138125nstPLHG2AG2BAnyY125114nstPHLG2A,G2BAnyY125114nsCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20035POSTOFFICEBOX655303DALLAS,TEXAS75265switchingcharacteristicsoverrecommendedoperatingfree-airtemperaturerange,VCC=3.
3V±0.
3V,CL=50pF(unlessotherwisenoted)(seeFigure1)PARAMETERFROM(INPUT)TO(OUTPUT)–55°Cto125°C–40°Cto85°CUNIT(INPUT)(OUTPUT)MINMAXMINMAXtPLHABCAnyY3.
915.
4414nstPHLA,B,CAnyY3.
915.
4414nstPLHG1AnyY3.
915.
4414nstPHLG1AnyY3.
915.
4414nstPLHG2AG2BAnyY3.
5143.
612.
7nstPHLG2A,G2BAnyY3.
5143.
612.
7nsswitchingcharacteristicsoverrecommendedoperatingfree-airtemperaturerange,VCC=5V±0.
5V,CL=50pF(unlessotherwisenoted)(seeFigure1)PARAMETERFROM(INPUT)TO(OUTPUT)–55°Cto125°C–40°Cto85°CUNIT(INPUT)(OUTPUT)MINMAXMINMAXtPLHABCAnyY2.
8112.
810nstPHLA,B,CAnyY2.
8112.
810nstPLHG1AnyY2.
8112.
810nstPHLG1AnyY2.
8112.
810nstPLHG2AG2BAnyY2.
5102.
69.
1nstPHLG2A,G2BAnyY2.
5102.
69.
1nsoperatingcharacteristics,VCC=5V,TA=25°CPARAMETERTYPUNITCpdPowerdissipationcapacitance110pFCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20036POSTOFFICEBOX655303DALLAS,TEXAS75265PARAMETERMEASUREMENTINFORMATIONVOLTAGEWAVEFORMSSETUPANDHOLDANDINPUTRISEANDFALLTIMESthtsu50%VCC50%VCC50%10%10%90%90%VCCVCC0V0VtrtfReferenceInputDataInputVOLTAGEWAVEFORMSPROPAGATIONDELAYANDOUTPUTTRANSITIONTIMES50%VCC50%VCC50%10%10%90%90%VCCVOHVOL0VtrtfInputIn-PhaseOutput50%VCCtPLHtPHL50%VCC50%10%10%90%90%VOHVOLtrtftPHLtPLHOut-of-PhaseOutputNOTES:A.
CLincludesprobeandtest-fixturecapacitance.
B.
Waveform1isforanoutputwithinternalconditionssuchthattheoutputislowexceptwhendisabledbytheoutputcontrol.
Waveform2isforanoutputwithinternalconditionssuchthattheoutputishighexceptwhendisabledbytheoutputcontrol.
C.
Allinputpulsesaresuppliedbygeneratorshavingthefollowingcharacteristics:PRR≤1MHz,ZO=50,tr=3ns,tf=3ns.
Phaserelationshipsbetweenwaveformsarearbitrary.
D.
Forclockinputs,fmaxismeasuredwiththeinputdutycycleat50%.
E.
Theoutputsaremeasuredoneatatimewithoneinputtransitionpermeasurement.
F.
tPLHandtPHLarethesameastpd.
G.
tPZLandtPZHarethesameasten.
H.
tPLZandtPHZarethesameastdis.
I.
Allparametersandwaveformsarenotapplicabletoalldevices.
FromOutputUnderTestCL=50pF(seeNoteA)LOADCIRCUITS12*VCCR1=500OpenGND0VtwVOLTAGEWAVEFORMSPULSEDURATIONInput50%VCC50%VCCVCCtPLH/tPHLtPLZ/tPZLtPHZ/tPZHOpen2*VCCGNDTESTS1OutputControlOutputWaveform1S1at2*VCC(seeNoteB)OutputWaveform2S1atGND(seeNoteB)VOLVOHtPZLtPZHtPLZtPHZ≈VCC0V50%VCC20%VCC50%VCC≈0VVOLTAGEWAVEFORMSOUTPUTENABLEANDDISABLETIMES50%VCC50%VCC80%VCCVCCR2=500WhenVCC=1.
5V,R1=R2=1kVOLTAGEWAVEFORMSRECOVERYTIME50%VCCVCC0VCLRInputCLK50%VCCVCCtrec0VFigure1.
LoadCircuitandVoltageWaveformsCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20037POSTOFFICEBOX655303DALLAS,TEXAS75265APPLICATIONINFORMATIONBIN/OCT11A022A143A34560150&EN11412132312341145105696777CD74AC138VCCBIN/OCT1122434568150&EN91411013211123121141310514961577CD74AC138BIN/OCT11224345616150&EN171411813219123201142110522962377CD74AC138A2A4Figure2.
24-BitDecodingSchemeCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20038POSTOFFICEBOX655303DALLAS,TEXAS75265APPLICATIONINFORMATIONVCCBIN/OCT11A022A143A34560150&EN11412132312341145105696777CD74AC138A2A4BIN/OCT1122434568150&EN91411013211123121141310514961577CD74AC138BIN/OCT11224345616150&EN171411813219123201142110522962377CD74AC138BIN/OCT11224345624150&EN251412613227123281142910530963177CD74AC138Figure3.
32-BitDecodingSchemePACKAGEOPTIONADDENDUMwww.
ti.
com20-Jan-2021Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Leadfinish/Ballmaterial(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesCD54AC138F3AACTIVECDIPJ161Non-RoHS&Non-GreenSNPBN/AforPkgType-55to125CD54AC138F3ACD74AC138EACTIVEPDIPN1625RoHS&GreenNIPDAUN/AforPkgType-55to125CD74AC138ECD74AC138EE4ACTIVEPDIPN1625RoHS&GreenNIPDAUN/AforPkgType-55to125CD74AC138ECD74AC138MACTIVESOICD1640RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138MCD74AC138M96ACTIVESOICD162500RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138MCD74AC138M96G4ACTIVESOICD162500RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138MCD74AC138ME4ACTIVESOICD1640RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138M(1)Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.
LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.
NRND:Notrecommendedfornewdesigns.
Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.
PREVIEW:Devicehasbeenannouncedbutisnotinproduction.
Samplesmayormaynotbeavailable.
OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.
(2)RoHS:TIdefines"RoHS"tomeansemiconductorproductsthatarecompliantwiththecurrentEURoHSrequirementsforall10RoHSsubstances,includingtherequirementthatRoHSsubstancedonotexceed0.
1%byweightinhomogeneousmaterials.
Wheredesignedtobesolderedathightemperatures,"RoHS"productsaresuitableforuseinspecifiedlead-freeprocesses.
TImayreferencethesetypesofproductsas"Pb-Free".
RoHSExempt:TIdefines"RoHSExempt"tomeanproductsthatcontainleadbutarecompliantwithEURoHSpursuanttoaspecificEURoHSexemption.
Green:TIdefines"Green"tomeanthecontentofChlorine(Cl)andBromine(Br)basedflameretardantsmeetJS709Blowhalogenrequirementsof<=1000ppmthreshold.
Antimonytrioxidebasedflameretardantsmustalsomeetthe<=1000ppmthresholdrequirement.
(3)MSL,PeakTemp.
-TheMoistureSensitivityLevelratingaccordingtotheJEDECindustrystandardclassifications,andpeaksoldertemperature.
(4)Theremaybeadditionalmarking,whichrelatestothelogo,thelottracecodeinformation,ortheenvironmentalcategoryonthedevice.
(5)MultipleDeviceMarkingswillbeinsideparentheses.
OnlyoneDeviceMarkingcontainedinparenthesesandseparatedbya"~"willappearonadevice.
IfalineisindentedthenitisacontinuationofthepreviouslineandthetwocombinedrepresenttheentireDeviceMarkingforthatdevice.
PACKAGEOPTIONADDENDUMwww.
ti.
com20-Jan-2021Addendum-Page2(6)Leadfinish/Ballmaterial-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Leadfinish/Ballmaterialvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.
TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.
Effortsareunderwaytobetterintegrateinformationfromthirdparties.
TIhastakenandcontinuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.
TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.
InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.
OTHERQUALIFIEDVERSIONSOFCD54AC138,CD74AC138:Catalog:CD74AC138Military:CD54AC138NOTE:QualifiedVersionDefinitions:Catalog-TI'sstandardcatalogproductMilitary-QMLcertifiedforMilitaryandDefenseApplicationsTAPEANDREELINFORMATION*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQReelDiameter(mm)ReelWidthW1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W(mm)Pin1QuadrantCD74AC138M96SOICD162500330.
016.
46.
510.
32.
18.
016.
0Q1CD74AC138M96SOICD162500330.
016.
46.
510.
32.
18.
016.
0Q1PACKAGEMATERIALSINFORMATIONwww.
ti.
com17-Dec-2020PackMaterials-Page1*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQLength(mm)Width(mm)Height(mm)CD74AC138M96SOICD162500333.
2345.
928.
6CD74AC138M96SOICD162500853.
0449.
035.
0PACKAGEMATERIALSINFORMATIONwww.
ti.
com17-Dec-2020PackMaterials-Page2IMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
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Youaresolelyresponsiblefor(1)selectingtheappropriateTIproductsforyourapplication,(2)designing,validatingandtestingyourapplication,and(3)ensuringyourapplicationmeetsapplicablestandards,andanyothersafety,security,orotherrequirements.
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IMPORTANTNOTICEMailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265Copyright2021,TexasInstrumentsIncorporated
5-Vto5.
5-VOperationandBalancedNoiseImmunityat30%oftheSupplyVoltageDSpeedofBipolarF,AS,andS,WithSignificantlyReducedPowerConsumptionDDesignedSpecificallyforHigh-SpeedMemoryDecodersandData-TransmissionSystemsDIncorporateThreeEnableInputstoSimplifyCascadingand/orDataReceptionDBalancedPropagationDelaysD±24-mAOutputDriveCurrent–Fanoutto15FDevicesDSCR-Latchup-ResistantCMOSProcessandCircuitDesignDExceeds2-kVESDProtectionPerMIL-STD-883,Method3015description/orderinginformationThe'AC138decoders/demultiplexersaredesignedforhigh-performancememory-decodinganddata-routingapplicationsthatrequireveryshortpropagation-delaytimes.
Inhigh-performancememorysystems,thesedecoderscanbeusedtominimizetheeffectsofsystemdecoding.
Whenemployedwithhigh-speedmemoriesutilizingafastenablecircuit,thedelaytimesofthesedecodersandtheenabletimeofthememoryusuallyarelessthanthetypicalaccesstimeofthememory.
Thismeansthattheeffectivesystemdelayintroducedbythedecodersisnegligible.
Theconditionsatthebinary-selectinputsandthethreeenableinputsselectoneofeightoutputlines.
Twoactive-lowandoneactive-highenableinputsreducetheneedforexternalgatesorinverterswhenexpanding.
A24-linedecodercanbeimplementedwithoutexternalinverters,anda32-linedecoderrequiresonlyoneinverter.
Anenableinputcanbeusedasadatainputfordemultiplexingapplications(seeApplicationInformation).
ORDERINGINFORMATIONTAPACKAGEORDERABLEPARTNUMBERTOP-SIDEMARKINGPDIP–ETubeCD74AC138ECD74AC138E55°Cto125°CSOICMTubeCD74AC138MAC138M–55°Cto125°CSOIC–MTapeandreelCD74AC138M96AC138MCDIP–FTubeCD54AC138F3ACD54AC138F3APackagedrawings,standardpackingquantities,thermaldata,symbolization,andPCBdesignguidelinesareavailableatwww.
ti.
com/sc/package.
OnproductscomplianttoMIL-PRF-38535,allparametersaretestedunlessotherwisenoted.
Onallotherproducts,productionprocessingdoesnotnecessarilyincludetestingofallparameters.
Copyright2003,TexasInstrumentsIncorporatedPRODUCTIONDATAinformationiscurrentasofpublicationdate.
ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
12345678161514131211109ABCG2AG2BG1Y7GNDVCCY0Y1Y2Y3Y4Y5Y6CD54AC138.
.
.
FPACKAGECD74AC138.
.
.
EORMPACKAGE(TOPVIEW)CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20032POSTOFFICEBOX655303DALLAS,TEXAS75265FUNCTIONTABLEENABLEINPUTSSELECTINPUTSOUTPUTSG1G2AG2BCBAY0Y1Y2Y3Y4Y5Y6Y7XHXXXXHHHHHHHHXXHXXXHHHHHHHHLXXXXXHHHHHHHHHLLLLLLHHHHHHHHLLLLHHLHHHHHHHLLLHLHHLHHHHHHLLLHHHHHLHHHHHLLHLLHHHHLHHHHLLHLHHHHHHLHHHLLHHLHHHHHHLHHLLHHHHHHHHHHLlogicdiagram(positivelogic)G1G2BG2ACBAY7Y6Y5Y4Y3Y2Y1Y0DataOutputsSelectInputsEnableInputs12345615141312111097CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20033POSTOFFICEBOX655303DALLAS,TEXAS75265absolutemaximumratingsoveroperatingfree-airtemperaturerange(unlessotherwisenoted)Supplyvoltagerange,VCC–0.
5Vto6VInputclampcurrent,IIK(VIVCC)(seeNote1)±20mAOutputclampcurrent,IOK(VOVCC)(seeNote1)±50mAContinuousoutputcurrent,IO(VO>0VorVO
Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
NOTES:1.
Theinputandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobserved.
2.
ThepackagethermalimpedanceiscalculatedinaccordancewithJESD51-7.
recommendedoperatingconditions(seeNote3)TA=25°C–55°Cto125°C–40°Cto85°CUNITMINMAXMINMAXMINMAXVCCSupplyvoltage1.
55.
51.
55.
51.
55.
5VVCC=1.
5V1.
21.
21.
2VIHHigh-levelinputvoltageVCC=3V2.
12.
12.
1VVCC=5.
5V3.
853.
853.
85VCC=1.
5V0.
30.
30.
3VILLow-levelinputvoltageVCC=3V0.
90.
90.
9VVCC=5.
5V1.
651.
651.
65VIInputvoltage0VCC0VCC0VCCVVOOutputvoltage0VCC0VCC0VCCVIOHHigh-leveloutputcurrentVCC=4.
5Vto5.
5V–24–24–24mAIOLLow-leveloutputcurrentVCC=4.
5Vto5.
5V242424mAt/vInputtransitionriseorfallrateVCC=1.
5Vto3V505050ns/Vt/vInputtransitionriseorfallrateVCC=3.
6Vto5.
5V202020ns/VNOTE3:AllunusedinputsofthedevicemustbeheldatVCCorGNDtoensureproperdeviceoperation.
RefertotheTIapplicationreport,ImplicationsofSloworFloatingCMOSInputs,literaturenumberSCBA004.
CD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20034POSTOFFICEBOX655303DALLAS,TEXAS75265electricalcharacteristicsoverrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)PARAMETERTESTCONDITIONSVCCTA=25°C–55°Cto125°C–40°Cto85°CUNITCCMINMAXMINMAXMINMAX1.
5V1.
41.
41.
4IOH=–50A3V2.
92.
92.
94.
5V4.
44.
44.
4VOHVI=VIHorVILIOH=–4mA3V2.
582.
42.
48VIOH=–24mA4.
5V3.
943.
73.
8IOH=–50mA5.
5V3.
85IOH=–75mA5.
5V3.
851.
5V0.
10.
10.
1IOL=50A3V0.
10.
10.
14.
5V0.
10.
10.
1VOLVI=VIHorVILIOL=12mA3V0.
360.
50.
44VIOL=24mA4.
5V0.
360.
50.
44IOL=50mA5.
5V1.
65–IOL=75mA5.
5V1.
65IIVI=VCCorGND5.
5V±0.
1±1±1AICCVI=VCCorGND,IO=05.
5V816080ACi101010pFTestoneoutputatatime,notexceeding1-secondduration.
Measurementismadebyforcingindicatedcurrentandmeasuringvoltagetominimizepowerdissipation.
Testverifiesaminimum50-transmission-linedrivecapabilityat85°Cand75-transmission-linedrivecapabilityat125°C.
switchingcharacteristicsoverrecommendedoperatingfree-airtemperaturerange,VCC=1.
5V,CL=50pF(unlessotherwisenoted)(seeFigure1)PARAMETERFROM(INPUT)TO(OUTPUT)–55°Cto125°C–40°Cto85°CUNIT(INPUT)(OUTPUT)MINMAXMINMAXtPLHABCAnyY138125nstPHLA,B,CAnyY138125nstPLHG1AnyY138125nstPHLG1AnyY138125nstPLHG2AG2BAnyY125114nstPHLG2A,G2BAnyY125114nsCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20035POSTOFFICEBOX655303DALLAS,TEXAS75265switchingcharacteristicsoverrecommendedoperatingfree-airtemperaturerange,VCC=3.
3V±0.
3V,CL=50pF(unlessotherwisenoted)(seeFigure1)PARAMETERFROM(INPUT)TO(OUTPUT)–55°Cto125°C–40°Cto85°CUNIT(INPUT)(OUTPUT)MINMAXMINMAXtPLHABCAnyY3.
915.
4414nstPHLA,B,CAnyY3.
915.
4414nstPLHG1AnyY3.
915.
4414nstPHLG1AnyY3.
915.
4414nstPLHG2AG2BAnyY3.
5143.
612.
7nstPHLG2A,G2BAnyY3.
5143.
612.
7nsswitchingcharacteristicsoverrecommendedoperatingfree-airtemperaturerange,VCC=5V±0.
5V,CL=50pF(unlessotherwisenoted)(seeFigure1)PARAMETERFROM(INPUT)TO(OUTPUT)–55°Cto125°C–40°Cto85°CUNIT(INPUT)(OUTPUT)MINMAXMINMAXtPLHABCAnyY2.
8112.
810nstPHLA,B,CAnyY2.
8112.
810nstPLHG1AnyY2.
8112.
810nstPHLG1AnyY2.
8112.
810nstPLHG2AG2BAnyY2.
5102.
69.
1nstPHLG2A,G2BAnyY2.
5102.
69.
1nsoperatingcharacteristics,VCC=5V,TA=25°CPARAMETERTYPUNITCpdPowerdissipationcapacitance110pFCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20036POSTOFFICEBOX655303DALLAS,TEXAS75265PARAMETERMEASUREMENTINFORMATIONVOLTAGEWAVEFORMSSETUPANDHOLDANDINPUTRISEANDFALLTIMESthtsu50%VCC50%VCC50%10%10%90%90%VCCVCC0V0VtrtfReferenceInputDataInputVOLTAGEWAVEFORMSPROPAGATIONDELAYANDOUTPUTTRANSITIONTIMES50%VCC50%VCC50%10%10%90%90%VCCVOHVOL0VtrtfInputIn-PhaseOutput50%VCCtPLHtPHL50%VCC50%10%10%90%90%VOHVOLtrtftPHLtPLHOut-of-PhaseOutputNOTES:A.
CLincludesprobeandtest-fixturecapacitance.
B.
Waveform1isforanoutputwithinternalconditionssuchthattheoutputislowexceptwhendisabledbytheoutputcontrol.
Waveform2isforanoutputwithinternalconditionssuchthattheoutputishighexceptwhendisabledbytheoutputcontrol.
C.
Allinputpulsesaresuppliedbygeneratorshavingthefollowingcharacteristics:PRR≤1MHz,ZO=50,tr=3ns,tf=3ns.
Phaserelationshipsbetweenwaveformsarearbitrary.
D.
Forclockinputs,fmaxismeasuredwiththeinputdutycycleat50%.
E.
Theoutputsaremeasuredoneatatimewithoneinputtransitionpermeasurement.
F.
tPLHandtPHLarethesameastpd.
G.
tPZLandtPZHarethesameasten.
H.
tPLZandtPHZarethesameastdis.
I.
Allparametersandwaveformsarenotapplicabletoalldevices.
FromOutputUnderTestCL=50pF(seeNoteA)LOADCIRCUITS12*VCCR1=500OpenGND0VtwVOLTAGEWAVEFORMSPULSEDURATIONInput50%VCC50%VCCVCCtPLH/tPHLtPLZ/tPZLtPHZ/tPZHOpen2*VCCGNDTESTS1OutputControlOutputWaveform1S1at2*VCC(seeNoteB)OutputWaveform2S1atGND(seeNoteB)VOLVOHtPZLtPZHtPLZtPHZ≈VCC0V50%VCC20%VCC50%VCC≈0VVOLTAGEWAVEFORMSOUTPUTENABLEANDDISABLETIMES50%VCC50%VCC80%VCCVCCR2=500WhenVCC=1.
5V,R1=R2=1kVOLTAGEWAVEFORMSRECOVERYTIME50%VCCVCC0VCLRInputCLK50%VCCVCCtrec0VFigure1.
LoadCircuitandVoltageWaveformsCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20037POSTOFFICEBOX655303DALLAS,TEXAS75265APPLICATIONINFORMATIONBIN/OCT11A022A143A34560150&EN11412132312341145105696777CD74AC138VCCBIN/OCT1122434568150&EN91411013211123121141310514961577CD74AC138BIN/OCT11224345616150&EN171411813219123201142110522962377CD74AC138A2A4Figure2.
24-BitDecodingSchemeCD54AC138,CD74AC1383-LINETO8-LINEDECODERS/DEMULTIPLEXERSSCHS328A–JANUARY2003–REVISEDFEBRUARY20038POSTOFFICEBOX655303DALLAS,TEXAS75265APPLICATIONINFORMATIONVCCBIN/OCT11A022A143A34560150&EN11412132312341145105696777CD74AC138A2A4BIN/OCT1122434568150&EN91411013211123121141310514961577CD74AC138BIN/OCT11224345616150&EN171411813219123201142110522962377CD74AC138BIN/OCT11224345624150&EN251412613227123281142910530963177CD74AC138Figure3.
32-BitDecodingSchemePACKAGEOPTIONADDENDUMwww.
ti.
com20-Jan-2021Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Leadfinish/Ballmaterial(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesCD54AC138F3AACTIVECDIPJ161Non-RoHS&Non-GreenSNPBN/AforPkgType-55to125CD54AC138F3ACD74AC138EACTIVEPDIPN1625RoHS&GreenNIPDAUN/AforPkgType-55to125CD74AC138ECD74AC138EE4ACTIVEPDIPN1625RoHS&GreenNIPDAUN/AforPkgType-55to125CD74AC138ECD74AC138MACTIVESOICD1640RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138MCD74AC138M96ACTIVESOICD162500RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138MCD74AC138M96G4ACTIVESOICD162500RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138MCD74AC138ME4ACTIVESOICD1640RoHS&GreenNIPDAULevel-1-260C-UNLIM-55to125AC138M(1)Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.
LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.
NRND:Notrecommendedfornewdesigns.
Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.
PREVIEW:Devicehasbeenannouncedbutisnotinproduction.
Samplesmayormaynotbeavailable.
OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.
(2)RoHS:TIdefines"RoHS"tomeansemiconductorproductsthatarecompliantwiththecurrentEURoHSrequirementsforall10RoHSsubstances,includingtherequirementthatRoHSsubstancedonotexceed0.
1%byweightinhomogeneousmaterials.
Wheredesignedtobesolderedathightemperatures,"RoHS"productsaresuitableforuseinspecifiedlead-freeprocesses.
TImayreferencethesetypesofproductsas"Pb-Free".
RoHSExempt:TIdefines"RoHSExempt"tomeanproductsthatcontainleadbutarecompliantwithEURoHSpursuanttoaspecificEURoHSexemption.
Green:TIdefines"Green"tomeanthecontentofChlorine(Cl)andBromine(Br)basedflameretardantsmeetJS709Blowhalogenrequirementsof<=1000ppmthreshold.
Antimonytrioxidebasedflameretardantsmustalsomeetthe<=1000ppmthresholdrequirement.
(3)MSL,PeakTemp.
-TheMoistureSensitivityLevelratingaccordingtotheJEDECindustrystandardclassifications,andpeaksoldertemperature.
(4)Theremaybeadditionalmarking,whichrelatestothelogo,thelottracecodeinformation,ortheenvironmentalcategoryonthedevice.
(5)MultipleDeviceMarkingswillbeinsideparentheses.
OnlyoneDeviceMarkingcontainedinparenthesesandseparatedbya"~"willappearonadevice.
IfalineisindentedthenitisacontinuationofthepreviouslineandthetwocombinedrepresenttheentireDeviceMarkingforthatdevice.
PACKAGEOPTIONADDENDUMwww.
ti.
com20-Jan-2021Addendum-Page2(6)Leadfinish/Ballmaterial-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Leadfinish/Ballmaterialvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.
TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.
Effortsareunderwaytobetterintegrateinformationfromthirdparties.
TIhastakenandcontinuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.
TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.
InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.
OTHERQUALIFIEDVERSIONSOFCD54AC138,CD74AC138:Catalog:CD74AC138Military:CD54AC138NOTE:QualifiedVersionDefinitions:Catalog-TI'sstandardcatalogproductMilitary-QMLcertifiedforMilitaryandDefenseApplicationsTAPEANDREELINFORMATION*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQReelDiameter(mm)ReelWidthW1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W(mm)Pin1QuadrantCD74AC138M96SOICD162500330.
016.
46.
510.
32.
18.
016.
0Q1CD74AC138M96SOICD162500330.
016.
46.
510.
32.
18.
016.
0Q1PACKAGEMATERIALSINFORMATIONwww.
ti.
com17-Dec-2020PackMaterials-Page1*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQLength(mm)Width(mm)Height(mm)CD74AC138M96SOICD162500333.
2345.
928.
6CD74AC138M96SOICD162500853.
0449.
035.
0PACKAGEMATERIALSINFORMATIONwww.
ti.
com17-Dec-2020PackMaterials-Page2IMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
TheseresourcesareintendedforskilleddevelopersdesigningwithTIproducts.
Youaresolelyresponsiblefor(1)selectingtheappropriateTIproductsforyourapplication,(2)designing,validatingandtestingyourapplication,and(3)ensuringyourapplicationmeetsapplicablestandards,andanyothersafety,security,orotherrequirements.
Theseresourcesaresubjecttochangewithoutnotice.
TIgrantsyoupermissiontousetheseresourcesonlyfordevelopmentofanapplicationthatusestheTIproductsdescribedintheresource.
Otherreproductionanddisplayoftheseresourcesisprohibited.
NolicenseisgrantedtoanyotherTIintellectualpropertyrightortoanythirdpartyintellectualpropertyright.
TIdisclaimsresponsibilityfor,andyouwillfullyindemnifyTIanditsrepresentativesagainst,anyclaims,damages,costs,losses,andliabilitiesarisingoutofyouruseoftheseresources.
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IMPORTANTNOTICEMailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265Copyright2021,TexasInstrumentsIncorporated
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