periodswwwddd138com

FEATURESDESCRIPTION/ORDERINGINFORMATIONSN74LV138AT3-LINETO8-LINEDECODER/DEMULTIPLEXERSCLS691–AUGUST2005InputsAreTTL-VoltageCompatibleIoffSupportsPartial-PowerDownModeOperation4.
5-Vto5.
5-VVCCOperationLatch-UpPerformanceExceeds250mAPerMaxtpdof7.
6nsat5VJESD17TypicalVOLP(OutputGroundBounce)ESDProtectionExceedsJESD222.
3VatVCC=5V,TA=25°C–200-VMachineModel(A115-A)SupportMixed-ModeVoltageOperationonAll–1000-VCharged-DeviceModel(C101)PortsTheSN74LV138ATisa3-lineto8-linedecoder/demultiplexer,designedforhigh-performancememory-decodingordata-routingapplicationsrequiringveryshortpropagationdelaytimes.
Inhigh-performancememorysystems,thisdecodercanbeusedtominimizetheeffectsofsystemdecoding.
Whenemployedwithhigh-speedmemoriesutilizingafastenablecircuit,thedelaytimesofthedecoderandtheenabletimeofthememoryusuallyarelessthanthetypicalaccesstimeofthememory.
Thismeansthattheeffectivesystemdelayintroducedbythedecoderisnegligible.
ORDERINGINFORMATIONTAPACKAGE(1)ORDERABLEPARTNUMBERTOP-SIDEMARKINGQFN–RGYReelof1000SN74LV138ATRGYRVV138ATTubeof40SN74LV138ATDSOIC–DLV138ATReelfo2500SN74LV138ATDRSOP–NSReelof2000SN74LV138ATNSR74LV138AT–40°Cto125°CSSOP–DBReelof2000SN74LV138ATDBRLV138ATTVSOP–DGVReelof2000SN74LV138ATDGVRLV138ATTubeof90SN74LV138ATPWTSSOP–PWReelof2000SN74LV138ATPWRLV138ATReelof250SN74LV138ATPWT(1)Packagedrawings,standardpackingquantities,thermaldata,symbolization,andPCBdesignguidelinesareavailableatwww.
ti.
com/sc/package.
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright2005,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
DESCRIPTION/ORDERINGINFORMATION(CONTINUED)SN74LV138AT3-LINETO8-LINEDECODER/DEMULTIPLEXERSCLS691–AUGUST2005Theconditionsatthebinary-selectinputs(A,B,C)andthethreeenableinputs(G1,G2A,G2B)selectoneofeightoutputlines.
Thetwoactive-low(G2A,G2B)andoneactive-high(G1)enableinputsreducetheneedforexternalgatesorinverterswhenexpanding.
A24-linedecodercanbeimplementedwithoutexternalinvertersanda32-linedecoderrequiresonlyoneinverter.
Anenableinputcanbeusedasadatainputfordemultiplexingapplications.
Thisdeviceisfullyspecifiedforpartial-power-downapplicationsusingIoff.
TheIoffcircuitrydisablestheoutputs,preventingdamagingcurrentbackflowthroughthedevicewhenitispowereddown.
FUNCTIONTABLEENABLEINPUTSSELECTINPUTSOUTPUTSG1G2AG2BCBAY0Y1Y2Y3Y4Y5Y6Y7XHXXXXHHHHHHHHXXHXXXHHHHHHHHLXXXXXHHHHHHHHHLLLLLLHHHHHHHHLLLLHHLHHHHHHHLLLHLHHLHHHHHHLLLHHHHHLHHHHHLLHLLHHHHLHHHHLLHLHHHHHHLHHHLLHHLHHHHHHLHHLLHHHHHHHHHHL2SN74LV138AT3-LINETO8-LINEDECODER/DEMULTIPLEXERSCLS691–AUGUST2005LOGICDIAGRAM(POSITIVELOGIC)3AbsoluteMaximumRatings(1)RecommendedOperatingConditions(1)SN74LV138AT3-LINETO8-LINEDECODER/DEMULTIPLEXERSCLS691–AUGUST2005overoperatingfree-airtemperaturerange(unlessotherwisenoted)MINMAXUNITVCCSupplyvoltage–0.
57VVIInputvoltagerange(2)–0.
57VVOOutputvoltagerange(2)(3)–0.
5VCC+0.
5VIIKInputclampcurrentVIVCC±50mAIOContinuousoutputcurrentVO=0toVCC±25mAContinuouscurrentthroughVCCorGND±50mADpackage(4)73DBpackage(4)82DGVpackage(4)120θJAPackagethermalimpedance°C/WNSpackage(4)64PWpackage(4)108RGYpackage(5)39TstgStoragetemperaturerange–65150°C(1)Stressesbeyondthoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.
Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperatingconditions"isnotimplied.
Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)Theinputandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobserved.
(3)Thisvalueislimitedof5.
5Vmaximum.
(4)ThepackagethermalimpedanceiscalculatedinaccordancewithJESD51-7.
(5)ThepackagethermalimpedanceiscalculatedinaccordancewithJESD51-5.
MINMAXUNITVCCSupplyvoltage4.
55.
5VVIHHigh-levelinputvoltageVCC=4.
5Vto5.
5V2VVILLow-levelinputvoltageVCC=4.
5Vto5.
5V0.
8VVIInputvoltage05.
5VVOOutputvoltage0VCCVIOHHigh-leveloutputcurrentVCC=4.
5Vto5.
5V–12mAIOLLow-leveloutputcurrentVCC=4.
5Vto5.
5V12mAt/vInputtransitionriseorfallrateVCC=4.
5Vto5.
5V20ns/VTAOperatingfree-airtemperature–40125°C(1)AllunusedinputsofthedevicemustbeheldatVCCorGNDtoensureproperdeviceoperation.
RefertotheTIapplicationreport,ImplicationsofSloworFloatingCMOSInputs,literaturenumberSCBA004.
4ElectricalCharacteristicsSwitchingCharacteristicsOperatingCharacteristicsSN74LV138AT3-LINETO8-LINEDECODER/DEMULTIPLEXERSCLS691–AUGUST2005overoperatingfree-airtemperaturerange(unlessotherwisenoted)TA=–40°CTA=–40°CTA=25°Cto85°Cto125°CPARAMETERTESTCONDITIONSVCCUNITMINTYPMAXMINMAXMINMAXIOH=–50A4.
5V4.
44.
54.
44.
4VOHVIOH=–12mA4.
5V3.
83.
83.
8IOL=50A4.
5V00.
10.
10.
1VOLVIOL=12mA4.
5V0.
550.
550.
55IIVI=5.
5VorGND0to5.
5V±0.
1±1±1AICCVI=VCCorGND,IO=05.
5V22020AOneinputat3.
4V,ICC(1)5.
5V1.
351.
51.
5mAOtherinputsatVCCorGNDIoffVIorVO=0to5.
5V00.
555ACiVI=VCCorGND4101010pF(1)ThisistheincreaseinsupplycurrentforeachinputatoneofthespecifiedTTLvoltagelevelsratherthan0VotVCC.
overrecommendedoperatingfree-airtemperaturerange,VCC=5V±0.
5V(unlessotherwisenoted)(seeFigure1)TA=–40°CTA=–40°CTA=25°CFROMTOLOADto85°Cto125°CPARAMETERUNIT(INPUT)(OUTPUT)CAPACITANCEMINTYPMAXMINMAXMINMAXA,B,orC2.
77.
610.
4112113tpdG1YCL=15pF2.
56.
69.
1110.
5112nsG2AorG2B2.
879.
6111112A,B,orC3.
98.
111.
4113114tpdG1YCL=50pF3.
77.
110.
1111.
5112nsG2AorG2B47.
510.
6112113VCC=5V,TA=25°CPARAMETERTESTCONDITIONSTYPUNITCpdPowerdissipationcapacitanceCL=50pF,f=10MHz79pF5PARAMETERMEASUREMENTINFORMATIONSN74LV138AT3-LINETO8-LINEDECODER/DEMULTIPLEXERSCLS691–AUGUST2005Figure1.
LoadCircuitsandVoltageWaveforms6PACKAGEOPTIONADDENDUMwww.
ti.
com10-Dec-2020Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Leadfinish/Ballmaterial(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesSN74LV138ATDACTIVESOICD1640RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATDBRACTIVESSOPDB162000RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATDGVRACTIVETVSOPDGV162000RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATDRACTIVESOICD162500RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATPWACTIVETSSOPPW1690RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATPWRACTIVETSSOPPW162000RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATPWTACTIVETSSOPPW16250RoHS&GreenNIPDAULevel-1-260C-UNLIM-40to125LV138ATSN74LV138ATRGYRACTIVEVQFNRGY163000RoHS&GreenNIPDAULevel-2-260C-1YEAR-40to125VV138(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.
com10-Dec-2020Addendum-Page2(6)Leadfinish/Ballmaterial-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Leadfinish/Ballmaterialvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.
TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.
Effortsareunderwaytobetterintegrateinformationfromthirdparties.
TIhastakenandcontinuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.
TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.
InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.
TAPEANDREELINFORMATION*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQReelDiameter(mm)ReelWidthW1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W(mm)Pin1QuadrantSN74LV138ATDGVRTVSOPDGV162000330.
012.
46.
84.
01.
68.
012.
0Q1SN74LV138ATDRSOICD162500330.
016.
46.
510.
32.
18.
016.
0Q1SN74LV138ATPWRTSSOPPW162000330.
012.
46.
95.
61.
68.
012.
0Q1SN74LV138ATPWTTSSOPPW16250330.
012.
46.
95.
61.
68.
012.
0Q1SN74LV138ATRGYRVQFNRGY163000330.
012.
43.
84.
31.
58.
012.
0Q1PACKAGEMATERIALSINFORMATIONwww.
ti.
com30-Dec-2020PackMaterials-Page1*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQLength(mm)Width(mm)Height(mm)SN74LV138ATDGVRTVSOPDGV162000853.
0449.
035.
0SN74LV138ATDRSOICD162500853.
0449.
035.
0SN74LV138ATPWRTSSOPPW162000853.
0449.
035.
0SN74LV138ATPWTTSSOPPW16250853.
0449.
035.
0SN74LV138ATRGYRVQFNRGY163000853.
0449.
035.
0PACKAGEMATERIALSINFORMATIONwww.
ti.
com30-Dec-2020PackMaterials-Page2www.
ti.
comPACKAGEOUTLINEC14X0.
652X4.
5516X0.
300.
19TYP6.
66.
21.
2MAX0.
150.
050.
25GAGEPLANE-80BNOTE44.
54.
3ANOTE35.
14.
90.
750.
50(0.
15)TYPTSSOP-1.
2mmmaxheightPW0016ASMALLOUTLINEPACKAGE4220204/A02/2017189160.
1CABPIN1INDEXAREASEEDETAILA0.
1CNOTES:1.
Alllineardimensionsareinmillimeters.
Anydimensionsinparenthesisareforreferenceonly.
DimensioningandtolerancingperASMEY14.
5M.
2.
Thisdrawingissubjecttochangewithoutnotice.
3.
Thisdimensiondoesnotincludemoldflash,protrusions,orgateburrs.
Moldflash,protrusions,orgateburrsshallnotexceed0.
15mmperside.
4.
Thisdimensiondoesnotincludeinterleadflash.
Interleadflashshallnotexceed0.
25mmperside.
5.
ReferenceJEDECregistrationMO-153.
SEATINGPLANEA20DETAILATYPICALSCALE2.
500www.
ti.
comEXAMPLEBOARDLAYOUT0.
05MAXALLAROUND0.
05MINALLAROUND16X(1.
5)16X(0.
45)14X(0.
65)(5.
8)(R0.
05)TYPTSSOP-1.
2mmmaxheightPW0016ASMALLOUTLINEPACKAGE4220204/A02/2017NOTES:(continued)6.
PublicationIPC-7351mayhavealternatedesigns.
7.
Soldermasktolerancesbetweenandaroundsignalpadscanvarybasedonboardfabricationsite.
LANDPATTERNEXAMPLEEXPOSEDMETALSHOWNSCALE:10XSYMMSYMM1891615.
000METALSOLDERMASKOPENINGMETALUNDERSOLDERMASKSOLDERMASKOPENINGEXPOSEDMETALEXPOSEDMETALSOLDERMASKDETAILSNON-SOLDERMASKDEFINED(PREFERRED)SOLDERMASKDEFINEDwww.
ti.
comEXAMPLESTENCILDESIGN16X(1.
5)16X(0.
45)14X(0.
65)(5.
8)(R0.
05)TYPTSSOP-1.
2mmmaxheightPW0016ASMALLOUTLINEPACKAGE4220204/A02/2017NOTES:(continued)8.
Lasercuttingapertureswithtrapezoidalwallsandroundedcornersmayofferbetterpasterelease.
IPC-7525mayhavealternatedesignrecommendations.
9.
Boardassemblysitemayhavedifferentrecommendationsforstencildesign.
SOLDERPASTEEXAMPLEBASEDON0.
125mmTHICKSTENCILSCALE:10XSYMMSYMM18916MECHANICALDATAMSSO002E–JANUARY1995–REVISEDDECEMBER2001POSTOFFICEBOX655303DALLAS,TEXAS75265DB(R-PDSO-G**)PLASTICSMALL-OUTLINE4040065/E12/0128PINSSHOWNGagePlane8,207,400,550,950,253812,9012,302810,50248,50SeatingPlane9,907,903010,509,900,385,605,00150,2214A28120166,506,50140,05MIN5,905,90DIMAMAXAMINPINS**2,00MAX6,907,500,65M0,150°–ā8°0,100,090,25NOTES:A.
Alllineardimensionsareinmillimeters.
B.
Thisdrawingissubjecttochangewithoutnotice.
C.
Bodydimensionsdonotincludemoldflashorprotrusionnottoexceed0,15.
D.
FallswithinJEDECMO-150IMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
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