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1.
GeneraldescriptionThe74AHC138;74AHCT138arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithLowpowerSchottkyTTL(LSTTL).
TheyarespecifiedincompliancewithJEDECstandardNo.
7A.
The74AHC138;74AHCT138isa3-to-8linedecoder/demultiplexer.
Itacceptsthreebinaryweightedaddressinputs(A0,A1andA2)and,whenenabled,provideseightmutuallyexclusiveoutputs(Y0toY7)thatareLOWwhenselected.
Therearethreeenableinputs:twoactiveLOW(E1andE2)andoneactiveHIGH(E3).
EveryoutputwillbeHIGHunlessE1andE2areLOWandE3isHIGH.
Thismultipleenablefunctionallowseasyparallelexpansionofthedevicetoa1-of-32(5linesto32lines)decoderwithjustfour74AHC138;74AHCT138devicesandoneinverter.
The74AHC138;74AHCT138canbeusedasaneightoutputdemultiplexerbyusingoneoftheactiveLOWenableinputsasthedatainputandtheremainingenableinputsasstrobes.
UnusedenableinputsmustbepermanentlytiedtotheirappropriateactiveHIGHorLOWstate.
2.
FeaturesandbenefitsBalancedpropagationdelaysAllinputshaveSchmitt-triggeractionDemultiplexingcapabilityMultipleinputenableforeasyexpansionIdealformemorychipselectdecodingInputsacceptsvoltageshigherthanVCCFor74AHC138only:operateswithCMOSinputlevelsFor74AHCT138only:operateswithTTLinputlevelsESDprotection:HBMJESD22-A114Eexceeds2000VMMJESD22-A115-Aexceeds200VCDMJESD22-C101Cexceeds1000VMultiplepackageoptionsSpecifiedfrom40Cto+85Candfrom40Cto+125C74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingRev.
4—2April2014Productdatasheet74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20142of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting3.
Orderinginformation4.
FunctionaldiagramTable1.
OrderinginformationTypenumberPackageTemperaturerangeNameDescriptionVersion74AHC138D40Cto+125CSO16plasticsmalloutlinepackage;16leads;bodywidth3.
9mmSOT109-174AHCT138D74AHC138PW40Cto+125CTSSOP16plasticthinshrinksmalloutlinepackage;16leads;bodywidth4.
4mmSOT403-174AHCT138PW74AHC138BQ40Cto+125CDHVQFN16plasticdualin-linecompatiblethermal-enhancedverythinquadflatpackage;noleads;16terminals;body2.
53.
50.
85mmSOT763-174AHCT138BQFig1.
LogicsymbolFig2.
IEClogicsymbolY0Y1Y2Y3Y4Y5Y6Y779101112131415A0A1A2321654E2E1E3mna370mna371791011121314&X/Y157EN6543210654321142791011121314&DX(a)(b)157654321065432102G07Fig3.
Functionaldiagrammna372ENABLEEXITINGY0Y1Y2Y3Y4Y5Y6Y779101112131415A0A1A23-to-8DECODER321654E2E1E374AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20143of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting5.
Pinninginformation5.
1Pinning5.
2Pindescription(1)Thediesubstrateisattachedtothispadusingconductivedieattachmaterial.
Itcannotbeusedasasupplypinorinput.
Fig4.
PinconfigurationforSO16andTSSOP16Fig5.
PinconfigurationforDHVQFN16138A0VCCA1Y0A2Y1E1Y2E2Y3E3Y4Y7Y5GNDY6001aad03312345678109121114131615001aad035138GND(1)Y7Y5E3Y4E2Y3E1Y2A2Y1A1Y0GNDY6A0VCCTransparenttopview71061151241331421589116terminal1indexareaTable2.
PindescriptionSymbolPinDescriptionA01addressinputA12addressinputA23addressinputE14enableinput(activeLOW)E25enableinput(activeLOW)E36enableinput(activeHIGH)GND8ground(0V)Y0toY715,14,13,12,11,10,9,7outputVCC16supplyvoltage74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20144of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting6.
Functionaldescription[1]H=HIGHvoltagelevel;L=LOWvoltagelevel;X=don'tcare7.
Limitingvalues[1]Theinputandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobserved.
[2]Ptotderateslinearlywith8mW/Kabove70C.
[3]Ptotderateslinearlywith5.
5mW/Kabove60C.
[4]Ptotderateslinearlywith4.
5mW/Kabove60C.
Table3.
Functiontable[1]InputOutputE1E2E3A0A1A2Y0Y1Y2Y3Y4Y5Y6Y7HXXXXXHHHHHHHHXHXXXXHHHHHHHHXXLXXXHHHHHHHHLLHLLLLHHHHHHHLLHHLLHLHHHHHHLLHLHLHHLHHHHHLLHHHLHHHLHHHHLLHLLHHHHHLHHHLLHHLHHHHHHLHHLLHLHHHHHHHHLHLLHHHHHHHHHHHLTable4.
LimitingvaluesInaccordancewiththeAbsoluteMaximumRatingSystem(IEC60134).
VoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditionsMinMaxUnitVCCsupplyvoltage0.
5+7.
0VVIinputvoltage0.
5+7.
0VIIKinputclampingcurrentVIVCC+0.
5V[1]-20mAIOoutputcurrentVO=0.
5Vto(VCC+0.
5V)-25mAICCsupplycurrent-75mAIGNDgroundcurrent75-mATstgstoragetemperature65+150CPtottotalpowerdissipationTamb=40Cto+125CSO16package[2]-500mWTSSOP16package[3]-500mWDHVQFN16package[4]-500mW74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20145of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting8.
Recommendedoperatingconditions9.
StaticcharacteristicsTable5.
RecommendedoperatingconditionsVoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditions74AHC13874AHCT138UnitMinTypMaxMinTypMaxVCCsupplyvoltage2.
05.
05.
54.
55.
05.
5VVIinputvoltage0-5.
50-5.
5VVOoutputvoltage0-VCC0-VCCVTambambienttemperature40+25+12540+25+125Ct/VinputtransitionriseandfallrateVCC=3.
3V0.
3V--100---ns/VVCC=5.
0V0.
5V--20--20ns/VTable6.
StaticcharacteristicsVoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTypMaxMinMaxMinMaxFortype74AHC138VIHHIGH-levelinputvoltageVCC=2.
0V1.
5--1.
5-1.
5-VVCC=3.
0V2.
1--2.
1-2.
1-VVCC=5.
5V3.
85--3.
85-3.
85-VVILLOW-levelinputvoltageVCC=2.
0V--0.
5-0.
5-0.
5VVCC=3.
0V--0.
9-0.
9-0.
9VVCC=5.
5V--1.
65-1.
65-1.
65VVOHHIGH-leveloutputvoltageVI=VIHorVILIO=50A;VCC=2.
0V1.
92.
0-1.
9-1.
9-VIO=50A;VCC=3.
0V2.
93.
0-2.
9-2.
9-VIO=50A;VCC=4.
5V4.
44.
5-4.
4-4.
4-VIO=4.
0mA;VCC=3.
0V2.
58--2.
48-2.
4-VIO=8.
0mA;VCC=4.
5V3.
94--3.
8-3.
7-VVOLLOW-leveloutputvoltageVI=VIHorVILIO=50A;VCC=2.
0V-00.
1-0.
1-0.
1VIO=50A;VCC=3.
0V-00.
1-0.
1-0.
1VIO=50A;VCC=4.
5V-00.
1-0.
1-0.
1VIO=4.
0mA;VCC=3.
0V--0.
36-0.
44-0.
55VIO=8.
0mA;VCC=4.
5V--0.
36-0.
44-0.
55VIIinputleakagecurrentVI=5.
5VorGND;VCC=0Vor5.
5V--0.
1-1.
0-2.
0AICCsupplycurrentVI=VCCorGND;IO=0A;VCC=5.
5V--4.
0-40-80ACIinputcapacitance-3.
010-10-10pF74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20146of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingFortype74AHCT138VIHHIGH-levelinputvoltageVCC=4.
5Vto5.
5V2.
0--2.
0-2.
0-VVILLOW-levelinputvoltageVCC=4.
5Vto5.
5V--0.
8-0.
8-0.
8VVOHHIGH-leveloutputvoltageVI=VIHorVIL;VCC=4.
5VIO=50A4.
44.
5-4.
4-4.
4-VIO=8.
0mA3.
94--3.
8-3.
7-VVOLLOW-leveloutputvoltageVI=VIHorVIL;VCC=4.
5VIO=50A-00.
1-0.
1-0.
1VIO=8.
0mA--0.
36-0.
44-0.
55VIIinputleakagecurrentVI=5.
5VorGND;VCC=0Vor5.
5V--0.
1-1.
0-2.
0AICCsupplycurrentVI=VCCorGND;IO=0A;VCC=5.
5V--4.
0-40-80AICCadditionalsupplycurrentperinputpin;VI=VCC2.
1V;IO=0A;otherpinsatVCCorGND;VCC=4.
5Vto5.
5V--1.
35-1.
5-1.
5mACIinputcapacitance-3.
010-10-10pFTable6.
Staticcharacteristics…continuedVoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTypMaxMinMaxMinMax74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20147of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting10.
DynamiccharacteristicsTable7.
DynamiccharacteristicsGND=0V;FortestcircuitseeFigure8.
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTyp[1]MaxMinMaxMinMaxFortype74AHC138tpdpropagationdelayAntoYn;seeFigure6[2]VCC=3.
0Vto3.
6VCL=15pF-6.
011.
41.
013.
01.
014.
5nsCL=50pF-8.
615.
81.
018.
01.
020.
0nsVCC=4.
5Vto5.
5VCL=15pF-4.
48.
11.
09.
51.
010.
5nsCL=50pF-6.
310.
11.
011.
51.
013.
0nsE3toYn;seeFigure6[2]VCC=3.
0Vto3.
6VCL=15pF-5.
812.
81.
015.
01.
016.
0nsCL=50pF-8.
216.
31.
018.
51.
020.
5nsVCC=4.
5Vto5.
5VCL=15pF-4.
28.
11.
09.
51.
010.
5nsCL=50pF-6.
010.
11.
011.
51.
013.
0nsE1,E2toYn;seeFigure7[2]VCC=3.
0Vto3.
6VCL=15pF-5.
711.
41.
013.
51.
014.
5nsCL=50pF-8.
214.
91.
017.
01.
019.
0nsVCC=4.
5Vto5.
5VCL=15pF-4.
28.
11.
09.
51.
010.
5nsCL=50pF-6.
010.
11.
011.
51.
013.
0nsCPDpowerdissipationcapacitanceCL=50pF;fi=1MHz;VI=GNDtoVCC[4]-18.
0pF74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20148of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting[1]Typicalvaluesaremeasuredatnominalsupplyvoltage(VCC=3.
3VandVCC=5.
0V).
[2]tpdisthesameastPLHandtPHL.
[3]Skewbetweenanytwooutputsofthesamepackageswitchinginthesamedirection.
Thisparameterisguaranteedbydesign.
[4]CPDisusedtodeterminethedynamicpowerdissipation(PDinW).
PD=CPDVCC2fiN+(CLVCC2fo)where:fi=inputfrequencyinMHz,fo=outputfrequencyinMHzCL=outputloadcapacitanceinpFVCC=supplyvoltageinVN=numberofinputsswitching(CLVCC2fo)=sumoftheoutputs.
11.
WaveformsFortype74AHCT138tpdpropagationdelayAntoYn;seeFigure6[2]VCC=4.
5Vto5.
5VCL=15pF-4.
410.
41.
012.
01.
013.
0nsCL=50pF-6.
211.
41.
013.
01.
014.
5nsE3toYn;seeFigure6[2]VCC=4.
5Vto5.
5VCL=15pF-4.
39.
11.
010.
51.
011.
5nsCL=50pF-6.
210.
11.
011.
51.
013.
0nsE1,E2toYn;seeFigure7[2]VCC=4.
5Vto5.
5VCL=15pF-4.
39.
61.
011.
01.
012.
0nsCL=50pF-6.
210.
61.
012.
01.
013.
5nsCPDpowerdissipationcapacitanceCL=50pF;fi=1MHz;VI=GNDtoVCC[4]-23.
0pFTable7.
Dynamiccharacteristics…continuedGND=0V;FortestcircuitseeFigure8.
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTyp[1]MaxMinMaxMinMaxMeasurementpointsaregiveninTable8.
VOLandVOHaretypicalvoltageoutputlevelsthatoccurwiththeoutputload.
Fig6.
TheinputsAn,E3tooutputsYnpropagationdelays001aah080YnoutputVOHVOLVCCGNDAn,E3inputVMtPHLtPLHVM74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20149of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingMeasurementpointsaregiveninTable8.
VOLandVOHaretypicalvoltageoutputlevelsthatoccurwiththeoutputload.
Fig7.
TheinputsEntooutputsYnpropagationdelays001aah081tPLHtPHLVMVMYnoutputE1,E2inputVCCGNDVOHVOLTable8.
MeasurementpointsTypeInputOutputVMVM74AHC1380.
5VCC0.
5VCC74AHCT1381.
5V0.
5VCC74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201410of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingTestdataisgiveninTable9.
Definitionstestcircuit:RT=TerminationresistanceshouldbeequaltooutputimpedanceZoofthepulsegenerator.
CL=Loadcapacitanceincludingjigandprobecapacitance.
RL=Loadresistance.
S1=Testselectionswitch.
Fig8.
LoadcircuitforswitchingtimesVMVMtWtW10%90%0VVIVInegativepulsepositivepulse0VVMVM90%10%tftrtrtf001aad983DUTVCCVCCVIVORTRLS1CLopenGTable9.
TestdataTypeInputLoadS1positionVItr,tfCLRLtPHL,tPLHtPZH,tPHZtPZL,tPLZ74AHC138VCC3.
0ns15pF,50pF1kopenGNDVCC74AHCT1383.
0V3.
0ns15pF,50pF1kopenGNDVCC74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201411of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting12.
PackageoutlineFig9.
PackageoutlineSOT109-1(SO16)XwMθAA1A2bpDHELpQdetailXEZecLvMA(A)3A89116ypin1indexUNITAmax.
A1A2A3bpcD(1)E(1)(1)eHELLpQZywvθREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmminches1.
750.
250.
101.
451.
250.
250.
490.
360.
250.
1910.
09.
84.
03.
81.
276.
25.
80.
70.
60.
70.
380oo0.
250.
1DIMENSIONS(inchdimensionsarederivedfromtheoriginalmmdimensions)Note1.
Plasticormetalprotrusionsof0.
15mm(0.
006inch)maximumpersidearenotincluded.
1.
00.
4SOT109-199-12-2703-02-19076E07MS-0120.
0690.
0100.
0040.
0570.
0490.
010.
0190.
0140.
01000.
00750.
390.
380.
160.
150.
051.
050.
0410.
2440.
2280.
0280.
0200.
0280.
0120.
010.
250.
010.
0040.
0390.
01602.
55mmscaleSO16:plasticsmalloutlinepackage;16leads;bodywidth3.
9mmSOT109-174AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201412of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingFig10.
PackageoutlineSOT403-1(TSSOP16)UNITA1A2A3bpcD(1)E(2)(1)eHELLpQZywvθREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmm0.
150.
050.
950.
800.
300.
190.
20.
15.
14.
94.
54.
30.
656.
66.
20.
40.
30.
400.
0680oo0.
130.
10.
21DIMENSIONS(mmaretheoriginaldimensions)Notes1.
Plasticormetalprotrusionsof0.
15mmmaximumpersidearenotincluded.
2.
Plasticinterleadprotrusionsof0.
25mmmaximumpersidearenotincluded.
0.
750.
50SOT403-1MO-15399-12-2703-02-18wMbpDZe0.
2518169θAA1A2LpQdetailXL(A)3HEEcvMAXAy02.
55mmscaleTSSOP16:plasticthinshrinksmalloutlinepackage;16leads;bodywidth4.
4mmSOT403-1Amax.
1.
1pin1index74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201413of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingFig11.
PackageoutlineSOT763-1(DHVQFN16)terminal1indexarea0.
51A1EhbUNITye0.
2cREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmm3.
63.
4Dh2.
151.
85y12.
62.
41.
150.
85e12.
50.
300.
180.
050.
000.
050.
1DIMENSIONS(mmaretheoriginaldimensions)SOT763-1MO-241------0.
50.
3L0.
1v0.
05w02.
55mmscaleSOT763-1DHVQFN16:plasticdualin-linecompatiblethermalenhancedverythinquadflatpackage;noleads;16terminals;body2.
5x3.
5x0.
85mmA(1)max.
AA1cdetailXyy1CeLEhDhee1b27151098116XDECBAterminal1indexareaACCBvMwME(1)Note1.
Plasticormetalprotrusionsof0.
075mmmaximumpersidearenotincluded.
D(1)02-10-1703-01-2774AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201414of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting13.
Abbreviations14.
RevisionhistoryTable10.
AbbreviationsAcronymDescriptionCMOSComplementaryMetalOxideSemiconductorLSTTLLow-powerSchottkyTransistor-TransistorLogicESDElectroStaticDischargeHBMHumanBodyModelMMMachineModelCDMCharged-DeviceModelTTLTransistor-TransistorLogicTable11.
RevisionhistoryDocumentIDReleasedateDatasheetstatusChangenoticeSupersedes74AHC_AHCT138v.
420140402Productdatasheet-74AHC_AHCT138v.
3Modifications:Descriptionfortpdforthe74AHCT138corrected(errata)inTable7"Dynamiccharacteristics"74AHC_AHCT138v.
320071128Productdatasheet-74AHC_AHCT138v.
274AHC_AHCT138v.
219990927Productspecification-74AHC_AHCT138v.
174AHC_AHCT138v.
119900331Productspecification--74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201415of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting15.
Legalinformation15.
1Datasheetstatus[1]Pleaseconsultthemostrecentlyissueddocumentbeforeinitiatingorcompletingadesign.
[2]Theterm'shortdatasheet'isexplainedinsection"Definitions".
[3]Theproductstatusofdevice(s)describedinthisdocumentmayhavechangedsincethisdocumentwaspublishedandmaydifferincaseofmultipledevices.
ThelatestproductstatusinformationisavailableontheInternetatURLhttp://www.
nexperia.
com.
15.
2DefinitionsDraft—Thedocumentisadraftversiononly.
Thecontentisstillunderinternalreviewandsubjecttoformalapproval,whichmayresultinmodificationsoradditions.
Nexperiadoesnotgiveanyrepresentationsorwarrantiesastotheaccuracyorcompletenessofinformationincludedhereinandshallhavenoliabilityfortheconsequencesofuseofsuchinformation.
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Ashortdatasheetisintendedforquickreferenceonlyandshouldnotbereliedupontocontaindetailedandfullinformation.
Fordetailedandfullinformationseetherelevantfulldatasheet,whichisavailableonrequestviathelocalNexperiasalesoffice.
Incaseofanyinconsistencyorconflictwiththeshortdatasheet,thefulldatasheetshallprevail.
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15.
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Limitingvalues—Stressaboveoneormorelimitingvalues(asdefinedintheAbsoluteMaximumRatingsSystemofIEC60134)willcausepermanentdamagetothedevice.
Limitingvaluesarestressratingsonlyand(proper)operationofthedeviceattheseoranyotherconditionsabovethosegivenintheRecommendedoperatingconditionssection(ifpresent)ortheCharacteristicssectionsofthisdocumentisnotwarranted.
Constantorrepeatedexposuretolimitingvalueswillpermanentlyandirreversiblyaffectthequalityandreliabilityofthedevice.
Termsandconditionsofcommercialsale—Nexperiaproductsaresoldsubjecttothegeneraltermsandconditionsofcommercialsale,aspublishedathttp://www.
nexperia.
com/profile/terms,unlessotherwiseagreedinavalidwrittenindividualagreement.
Incaseanindividualagreementisconcludedonlythetermsandconditionsoftherespectiveagreementshallapply.
Nexperiaherebyexpresslyobjectstoapplyingthecustomer'sgeneraltermsandconditionswithregardtothepurchaseofNexperiaproductsbycustomer.
Nooffertosellorlicense—Nothinginthisdocumentmaybeinterpretedorconstruedasanoffertosellproductsthatisopenforacceptanceorthegrant,conveyanceorimplicationofanylicenseunderanycopyrights,patentsorotherindustrialorintellectualpropertyrights.
Documentstatus[1][2]Productstatus[3]DefinitionObjective[short]datasheetDevelopmentThisdocumentcontainsdatafromtheobjectivespecificationforproductdevelopment.
Preliminary[short]datasheetQualificationThisdocumentcontainsdatafromthepreliminaryspecification.
Product[short]datasheetProductionThisdocumentcontainstheproductspecification.
74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201416of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingExportcontrol—Thisdocumentaswellastheitem(s)describedhereinmaybesubjecttoexportcontrolregulations.
Exportmightrequireapriorauthorizationfromcompetentauthorities.
Non-automotivequalifiedproducts—UnlessthisdatasheetexpresslystatesthatthisspecificNexperiaproductisautomotivequalified,theproductisnotsuitableforautomotiveuse.
Itisneitherqualifiednortestedinaccordancewithautomotivetestingorapplicationrequirements.
Nexperiaacceptsnoliabilityforinclusionand/oruseofnon-automotivequalifiedproductsinautomotiveequipmentorapplications.
Intheeventthatcustomerusestheproductfordesign-inanduseinautomotiveapplicationstoautomotivespecificationsandstandards,customer(a)shallusetheproductwithoutNexperia'swarrantyoftheproductforsuchautomotiveapplications,useandspecifications,and(b)whenevercustomerusestheproductforautomotiveapplicationsbeyondNexperia'sspecificationssuchuseshallbesolelyatcustomer'sownrisk,and(c)customerfullyindemnifiesNexperiaforanyliability,damagesorfailedproductclaimsresultingfromcustomerdesignanduseoftheproductforautomotiveapplicationsbeyondNexperia'sstandardwarrantyandNexperia'sproductspecifications.
Translations—Anon-English(translated)versionofadocumentisforreferenceonly.
TheEnglishversionshallprevailincaseofanydiscrepancybetweenthetranslatedandEnglishversions.
15.
4TrademarksNotice:Allreferencedbrands,productnames,servicenamesandtrademarksarethepropertyoftheirrespectiveowners.
16.
ContactinformationFormoreinformation,pleasevisit:http://www.
nexperia.
comForsalesofficeaddresses,pleasesendanemailto:salesaddresses@nexperia.
comNexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting17.
Contents1Generaldescription12Featuresandbenefits13Orderinginformation.
24Functionaldiagram25Pinninginformation.
35.
1Pinning35.
2Pindescription36Functionaldescription47Limitingvalues.
48Recommendedoperatingconditions.
59Staticcharacteristics.
510Dynamiccharacteristics711Waveforms812Packageoutline1113Abbreviations.
1414Revisionhistory.
1415Legalinformation.
1515.
1Datasheetstatus1515.
2Definitions.
1515.
3Disclaimers1515.
4Trademarks.
1616Contactinformation.
1617Contents17MouserElectronicsAuthorizedDistributorClicktoViewPricing,Inventory,Delivery&LifecycleInformation:Nexperia:74AHC138BQ,11574AHC138D,11274AHC138D,11874AHC138PW,11274AHC138PW,11874AHCT138BQ,11574AHCT138D,11274AHCT138D,11874AHCT138PW,11274AHCT138PW,118
GeneraldescriptionThe74AHC138;74AHCT138arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithLowpowerSchottkyTTL(LSTTL).
TheyarespecifiedincompliancewithJEDECstandardNo.
7A.
The74AHC138;74AHCT138isa3-to-8linedecoder/demultiplexer.
Itacceptsthreebinaryweightedaddressinputs(A0,A1andA2)and,whenenabled,provideseightmutuallyexclusiveoutputs(Y0toY7)thatareLOWwhenselected.
Therearethreeenableinputs:twoactiveLOW(E1andE2)andoneactiveHIGH(E3).
EveryoutputwillbeHIGHunlessE1andE2areLOWandE3isHIGH.
Thismultipleenablefunctionallowseasyparallelexpansionofthedevicetoa1-of-32(5linesto32lines)decoderwithjustfour74AHC138;74AHCT138devicesandoneinverter.
The74AHC138;74AHCT138canbeusedasaneightoutputdemultiplexerbyusingoneoftheactiveLOWenableinputsasthedatainputandtheremainingenableinputsasstrobes.
UnusedenableinputsmustbepermanentlytiedtotheirappropriateactiveHIGHorLOWstate.
2.
FeaturesandbenefitsBalancedpropagationdelaysAllinputshaveSchmitt-triggeractionDemultiplexingcapabilityMultipleinputenableforeasyexpansionIdealformemorychipselectdecodingInputsacceptsvoltageshigherthanVCCFor74AHC138only:operateswithCMOSinputlevelsFor74AHCT138only:operateswithTTLinputlevelsESDprotection:HBMJESD22-A114Eexceeds2000VMMJESD22-A115-Aexceeds200VCDMJESD22-C101Cexceeds1000VMultiplepackageoptionsSpecifiedfrom40Cto+85Candfrom40Cto+125C74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingRev.
4—2April2014Productdatasheet74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20142of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting3.
Orderinginformation4.
FunctionaldiagramTable1.
OrderinginformationTypenumberPackageTemperaturerangeNameDescriptionVersion74AHC138D40Cto+125CSO16plasticsmalloutlinepackage;16leads;bodywidth3.
9mmSOT109-174AHCT138D74AHC138PW40Cto+125CTSSOP16plasticthinshrinksmalloutlinepackage;16leads;bodywidth4.
4mmSOT403-174AHCT138PW74AHC138BQ40Cto+125CDHVQFN16plasticdualin-linecompatiblethermal-enhancedverythinquadflatpackage;noleads;16terminals;body2.
53.
50.
85mmSOT763-174AHCT138BQFig1.
LogicsymbolFig2.
IEClogicsymbolY0Y1Y2Y3Y4Y5Y6Y779101112131415A0A1A2321654E2E1E3mna370mna371791011121314&X/Y157EN6543210654321142791011121314&DX(a)(b)157654321065432102G07Fig3.
Functionaldiagrammna372ENABLEEXITINGY0Y1Y2Y3Y4Y5Y6Y779101112131415A0A1A23-to-8DECODER321654E2E1E374AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20143of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting5.
Pinninginformation5.
1Pinning5.
2Pindescription(1)Thediesubstrateisattachedtothispadusingconductivedieattachmaterial.
Itcannotbeusedasasupplypinorinput.
Fig4.
PinconfigurationforSO16andTSSOP16Fig5.
PinconfigurationforDHVQFN16138A0VCCA1Y0A2Y1E1Y2E2Y3E3Y4Y7Y5GNDY6001aad03312345678109121114131615001aad035138GND(1)Y7Y5E3Y4E2Y3E1Y2A2Y1A1Y0GNDY6A0VCCTransparenttopview71061151241331421589116terminal1indexareaTable2.
PindescriptionSymbolPinDescriptionA01addressinputA12addressinputA23addressinputE14enableinput(activeLOW)E25enableinput(activeLOW)E36enableinput(activeHIGH)GND8ground(0V)Y0toY715,14,13,12,11,10,9,7outputVCC16supplyvoltage74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20144of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting6.
Functionaldescription[1]H=HIGHvoltagelevel;L=LOWvoltagelevel;X=don'tcare7.
Limitingvalues[1]Theinputandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobserved.
[2]Ptotderateslinearlywith8mW/Kabove70C.
[3]Ptotderateslinearlywith5.
5mW/Kabove60C.
[4]Ptotderateslinearlywith4.
5mW/Kabove60C.
Table3.
Functiontable[1]InputOutputE1E2E3A0A1A2Y0Y1Y2Y3Y4Y5Y6Y7HXXXXXHHHHHHHHXHXXXXHHHHHHHHXXLXXXHHHHHHHHLLHLLLLHHHHHHHLLHHLLHLHHHHHHLLHLHLHHLHHHHHLLHHHLHHHLHHHHLLHLLHHHHHLHHHLLHHLHHHHHHLHHLLHLHHHHHHHHLHLLHHHHHHHHHHHLTable4.
LimitingvaluesInaccordancewiththeAbsoluteMaximumRatingSystem(IEC60134).
VoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditionsMinMaxUnitVCCsupplyvoltage0.
5+7.
0VVIinputvoltage0.
5+7.
0VIIKinputclampingcurrentVIVCC+0.
5V[1]-20mAIOoutputcurrentVO=0.
5Vto(VCC+0.
5V)-25mAICCsupplycurrent-75mAIGNDgroundcurrent75-mATstgstoragetemperature65+150CPtottotalpowerdissipationTamb=40Cto+125CSO16package[2]-500mWTSSOP16package[3]-500mWDHVQFN16package[4]-500mW74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20145of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting8.
Recommendedoperatingconditions9.
StaticcharacteristicsTable5.
RecommendedoperatingconditionsVoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditions74AHC13874AHCT138UnitMinTypMaxMinTypMaxVCCsupplyvoltage2.
05.
05.
54.
55.
05.
5VVIinputvoltage0-5.
50-5.
5VVOoutputvoltage0-VCC0-VCCVTambambienttemperature40+25+12540+25+125Ct/VinputtransitionriseandfallrateVCC=3.
3V0.
3V--100---ns/VVCC=5.
0V0.
5V--20--20ns/VTable6.
StaticcharacteristicsVoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTypMaxMinMaxMinMaxFortype74AHC138VIHHIGH-levelinputvoltageVCC=2.
0V1.
5--1.
5-1.
5-VVCC=3.
0V2.
1--2.
1-2.
1-VVCC=5.
5V3.
85--3.
85-3.
85-VVILLOW-levelinputvoltageVCC=2.
0V--0.
5-0.
5-0.
5VVCC=3.
0V--0.
9-0.
9-0.
9VVCC=5.
5V--1.
65-1.
65-1.
65VVOHHIGH-leveloutputvoltageVI=VIHorVILIO=50A;VCC=2.
0V1.
92.
0-1.
9-1.
9-VIO=50A;VCC=3.
0V2.
93.
0-2.
9-2.
9-VIO=50A;VCC=4.
5V4.
44.
5-4.
4-4.
4-VIO=4.
0mA;VCC=3.
0V2.
58--2.
48-2.
4-VIO=8.
0mA;VCC=4.
5V3.
94--3.
8-3.
7-VVOLLOW-leveloutputvoltageVI=VIHorVILIO=50A;VCC=2.
0V-00.
1-0.
1-0.
1VIO=50A;VCC=3.
0V-00.
1-0.
1-0.
1VIO=50A;VCC=4.
5V-00.
1-0.
1-0.
1VIO=4.
0mA;VCC=3.
0V--0.
36-0.
44-0.
55VIO=8.
0mA;VCC=4.
5V--0.
36-0.
44-0.
55VIIinputleakagecurrentVI=5.
5VorGND;VCC=0Vor5.
5V--0.
1-1.
0-2.
0AICCsupplycurrentVI=VCCorGND;IO=0A;VCC=5.
5V--4.
0-40-80ACIinputcapacitance-3.
010-10-10pF74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20146of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingFortype74AHCT138VIHHIGH-levelinputvoltageVCC=4.
5Vto5.
5V2.
0--2.
0-2.
0-VVILLOW-levelinputvoltageVCC=4.
5Vto5.
5V--0.
8-0.
8-0.
8VVOHHIGH-leveloutputvoltageVI=VIHorVIL;VCC=4.
5VIO=50A4.
44.
5-4.
4-4.
4-VIO=8.
0mA3.
94--3.
8-3.
7-VVOLLOW-leveloutputvoltageVI=VIHorVIL;VCC=4.
5VIO=50A-00.
1-0.
1-0.
1VIO=8.
0mA--0.
36-0.
44-0.
55VIIinputleakagecurrentVI=5.
5VorGND;VCC=0Vor5.
5V--0.
1-1.
0-2.
0AICCsupplycurrentVI=VCCorGND;IO=0A;VCC=5.
5V--4.
0-40-80AICCadditionalsupplycurrentperinputpin;VI=VCC2.
1V;IO=0A;otherpinsatVCCorGND;VCC=4.
5Vto5.
5V--1.
35-1.
5-1.
5mACIinputcapacitance-3.
010-10-10pFTable6.
Staticcharacteristics…continuedVoltagesarereferencedtoGND(ground=0V).
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTypMaxMinMaxMinMax74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20147of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting10.
DynamiccharacteristicsTable7.
DynamiccharacteristicsGND=0V;FortestcircuitseeFigure8.
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTyp[1]MaxMinMaxMinMaxFortype74AHC138tpdpropagationdelayAntoYn;seeFigure6[2]VCC=3.
0Vto3.
6VCL=15pF-6.
011.
41.
013.
01.
014.
5nsCL=50pF-8.
615.
81.
018.
01.
020.
0nsVCC=4.
5Vto5.
5VCL=15pF-4.
48.
11.
09.
51.
010.
5nsCL=50pF-6.
310.
11.
011.
51.
013.
0nsE3toYn;seeFigure6[2]VCC=3.
0Vto3.
6VCL=15pF-5.
812.
81.
015.
01.
016.
0nsCL=50pF-8.
216.
31.
018.
51.
020.
5nsVCC=4.
5Vto5.
5VCL=15pF-4.
28.
11.
09.
51.
010.
5nsCL=50pF-6.
010.
11.
011.
51.
013.
0nsE1,E2toYn;seeFigure7[2]VCC=3.
0Vto3.
6VCL=15pF-5.
711.
41.
013.
51.
014.
5nsCL=50pF-8.
214.
91.
017.
01.
019.
0nsVCC=4.
5Vto5.
5VCL=15pF-4.
28.
11.
09.
51.
010.
5nsCL=50pF-6.
010.
11.
011.
51.
013.
0nsCPDpowerdissipationcapacitanceCL=50pF;fi=1MHz;VI=GNDtoVCC[4]-18.
0pF74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20148of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting[1]Typicalvaluesaremeasuredatnominalsupplyvoltage(VCC=3.
3VandVCC=5.
0V).
[2]tpdisthesameastPLHandtPHL.
[3]Skewbetweenanytwooutputsofthesamepackageswitchinginthesamedirection.
Thisparameterisguaranteedbydesign.
[4]CPDisusedtodeterminethedynamicpowerdissipation(PDinW).
PD=CPDVCC2fiN+(CLVCC2fo)where:fi=inputfrequencyinMHz,fo=outputfrequencyinMHzCL=outputloadcapacitanceinpFVCC=supplyvoltageinVN=numberofinputsswitching(CLVCC2fo)=sumoftheoutputs.
11.
WaveformsFortype74AHCT138tpdpropagationdelayAntoYn;seeFigure6[2]VCC=4.
5Vto5.
5VCL=15pF-4.
410.
41.
012.
01.
013.
0nsCL=50pF-6.
211.
41.
013.
01.
014.
5nsE3toYn;seeFigure6[2]VCC=4.
5Vto5.
5VCL=15pF-4.
39.
11.
010.
51.
011.
5nsCL=50pF-6.
210.
11.
011.
51.
013.
0nsE1,E2toYn;seeFigure7[2]VCC=4.
5Vto5.
5VCL=15pF-4.
39.
61.
011.
01.
012.
0nsCL=50pF-6.
210.
61.
012.
01.
013.
5nsCPDpowerdissipationcapacitanceCL=50pF;fi=1MHz;VI=GNDtoVCC[4]-23.
0pFTable7.
Dynamiccharacteristics…continuedGND=0V;FortestcircuitseeFigure8.
SymbolParameterConditions25C40Cto+85C40Cto+125CUnitMinTyp[1]MaxMinMaxMinMaxMeasurementpointsaregiveninTable8.
VOLandVOHaretypicalvoltageoutputlevelsthatoccurwiththeoutputload.
Fig6.
TheinputsAn,E3tooutputsYnpropagationdelays001aah080YnoutputVOHVOLVCCGNDAn,E3inputVMtPHLtPLHVM74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April20149of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingMeasurementpointsaregiveninTable8.
VOLandVOHaretypicalvoltageoutputlevelsthatoccurwiththeoutputload.
Fig7.
TheinputsEntooutputsYnpropagationdelays001aah081tPLHtPHLVMVMYnoutputE1,E2inputVCCGNDVOHVOLTable8.
MeasurementpointsTypeInputOutputVMVM74AHC1380.
5VCC0.
5VCC74AHCT1381.
5V0.
5VCC74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201410of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingTestdataisgiveninTable9.
Definitionstestcircuit:RT=TerminationresistanceshouldbeequaltooutputimpedanceZoofthepulsegenerator.
CL=Loadcapacitanceincludingjigandprobecapacitance.
RL=Loadresistance.
S1=Testselectionswitch.
Fig8.
LoadcircuitforswitchingtimesVMVMtWtW10%90%0VVIVInegativepulsepositivepulse0VVMVM90%10%tftrtrtf001aad983DUTVCCVCCVIVORTRLS1CLopenGTable9.
TestdataTypeInputLoadS1positionVItr,tfCLRLtPHL,tPLHtPZH,tPHZtPZL,tPLZ74AHC138VCC3.
0ns15pF,50pF1kopenGNDVCC74AHCT1383.
0V3.
0ns15pF,50pF1kopenGNDVCC74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201411of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting12.
PackageoutlineFig9.
PackageoutlineSOT109-1(SO16)XwMθAA1A2bpDHELpQdetailXEZecLvMA(A)3A89116ypin1indexUNITAmax.
A1A2A3bpcD(1)E(1)(1)eHELLpQZywvθREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmminches1.
750.
250.
101.
451.
250.
250.
490.
360.
250.
1910.
09.
84.
03.
81.
276.
25.
80.
70.
60.
70.
380oo0.
250.
1DIMENSIONS(inchdimensionsarederivedfromtheoriginalmmdimensions)Note1.
Plasticormetalprotrusionsof0.
15mm(0.
006inch)maximumpersidearenotincluded.
1.
00.
4SOT109-199-12-2703-02-19076E07MS-0120.
0690.
0100.
0040.
0570.
0490.
010.
0190.
0140.
01000.
00750.
390.
380.
160.
150.
051.
050.
0410.
2440.
2280.
0280.
0200.
0280.
0120.
010.
250.
010.
0040.
0390.
01602.
55mmscaleSO16:plasticsmalloutlinepackage;16leads;bodywidth3.
9mmSOT109-174AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201412of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingFig10.
PackageoutlineSOT403-1(TSSOP16)UNITA1A2A3bpcD(1)E(2)(1)eHELLpQZywvθREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmm0.
150.
050.
950.
800.
300.
190.
20.
15.
14.
94.
54.
30.
656.
66.
20.
40.
30.
400.
0680oo0.
130.
10.
21DIMENSIONS(mmaretheoriginaldimensions)Notes1.
Plasticormetalprotrusionsof0.
15mmmaximumpersidearenotincluded.
2.
Plasticinterleadprotrusionsof0.
25mmmaximumpersidearenotincluded.
0.
750.
50SOT403-1MO-15399-12-2703-02-18wMbpDZe0.
2518169θAA1A2LpQdetailXL(A)3HEEcvMAXAy02.
55mmscaleTSSOP16:plasticthinshrinksmalloutlinepackage;16leads;bodywidth4.
4mmSOT403-1Amax.
1.
1pin1index74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201413of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingFig11.
PackageoutlineSOT763-1(DHVQFN16)terminal1indexarea0.
51A1EhbUNITye0.
2cREFERENCESOUTLINEVERSIONEUROPEANPROJECTIONISSUEDATEIECJEDECJEITAmm3.
63.
4Dh2.
151.
85y12.
62.
41.
150.
85e12.
50.
300.
180.
050.
000.
050.
1DIMENSIONS(mmaretheoriginaldimensions)SOT763-1MO-241------0.
50.
3L0.
1v0.
05w02.
55mmscaleSOT763-1DHVQFN16:plasticdualin-linecompatiblethermalenhancedverythinquadflatpackage;noleads;16terminals;body2.
5x3.
5x0.
85mmA(1)max.
AA1cdetailXyy1CeLEhDhee1b27151098116XDECBAterminal1indexareaACCBvMwME(1)Note1.
Plasticormetalprotrusionsof0.
075mmmaximumpersidearenotincluded.
D(1)02-10-1703-01-2774AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201414of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting13.
Abbreviations14.
RevisionhistoryTable10.
AbbreviationsAcronymDescriptionCMOSComplementaryMetalOxideSemiconductorLSTTLLow-powerSchottkyTransistor-TransistorLogicESDElectroStaticDischargeHBMHumanBodyModelMMMachineModelCDMCharged-DeviceModelTTLTransistor-TransistorLogicTable11.
RevisionhistoryDocumentIDReleasedateDatasheetstatusChangenoticeSupersedes74AHC_AHCT138v.
420140402Productdatasheet-74AHC_AHCT138v.
3Modifications:Descriptionfortpdforthe74AHCT138corrected(errata)inTable7"Dynamiccharacteristics"74AHC_AHCT138v.
320071128Productdatasheet-74AHC_AHCT138v.
274AHC_AHCT138v.
219990927Productspecification-74AHC_AHCT138v.
174AHC_AHCT138v.
119900331Productspecification--74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201415of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting15.
Legalinformation15.
1Datasheetstatus[1]Pleaseconsultthemostrecentlyissueddocumentbeforeinitiatingorcompletingadesign.
[2]Theterm'shortdatasheet'isexplainedinsection"Definitions".
[3]Theproductstatusofdevice(s)describedinthisdocumentmayhavechangedsincethisdocumentwaspublishedandmaydifferincaseofmultipledevices.
ThelatestproductstatusinformationisavailableontheInternetatURLhttp://www.
nexperia.
com.
15.
2DefinitionsDraft—Thedocumentisadraftversiononly.
Thecontentisstillunderinternalreviewandsubjecttoformalapproval,whichmayresultinmodificationsoradditions.
Nexperiadoesnotgiveanyrepresentationsorwarrantiesastotheaccuracyorcompletenessofinformationincludedhereinandshallhavenoliabilityfortheconsequencesofuseofsuchinformation.
Shortdatasheet—Ashortdatasheetisanextractfromafulldatasheetwiththesameproducttypenumber(s)andtitle.
Ashortdatasheetisintendedforquickreferenceonlyandshouldnotbereliedupontocontaindetailedandfullinformation.
Fordetailedandfullinformationseetherelevantfulldatasheet,whichisavailableonrequestviathelocalNexperiasalesoffice.
Incaseofanyinconsistencyorconflictwiththeshortdatasheet,thefulldatasheetshallprevail.
Productspecification—TheinformationanddataprovidedinaProductdatasheetshalldefinethespecificationoftheproductasagreedbetweenNexperiaanditscustomer,unlessNexperiaandcustomerhaveexplicitlyagreedotherwiseinwriting.
Innoeventhowever,shallanagreementbevalidinwhichtheNexperiaproductisdeemedtoofferfunctionsandqualitiesbeyondthosedescribedintheProductdatasheet.
15.
3DisclaimersLimitedwarrantyandliability—Informationinthisdocumentisbelievedtobeaccurateandreliable.
However,Nexperiadoesnotgiveanyrepresentationsorwarranties,expressedorimplied,astotheaccuracyorcompletenessofsuchinformationandshallhavenoliabilityfortheconsequencesofuseofsuchinformation.
NexperiatakesnoresponsibilityforthecontentinthisdocumentifprovidedbyaninformationsourceoutsideofNexperia.
InnoeventshallNexperiabeliableforanyindirect,incidental,punitive,specialorconsequentialdamages(including-withoutlimitation-lostprofits,lostsavings,businessinterruption,costsrelatedtotheremovalorreplacementofanyproductsorreworkcharges)whetherornotsuchdamagesarebasedontort(includingnegligence),warranty,breachofcontractoranyotherlegaltheory.
Notwithstandinganydamagesthatcustomermightincurforanyreasonwhatsoever,Nexperia'saggregateandcumulativeliabilitytowardscustomerfortheproductsdescribedhereinshallbelimitedinaccordancewiththeTermsandconditionsofcommercialsaleofNexperia.
Righttomakechanges—Nexperiareservestherighttomakechangestoinformationpublishedinthisdocument,includingwithoutlimitationspecificationsandproductdescriptions,atanytimeandwithoutnotice.
Thisdocumentsupersedesandreplacesallinformationsuppliedpriortothepublicationhereof.
Suitabilityforuse—Nexperiaproductsarenotdesigned,authorizedorwarrantedtobesuitableforuseinlifesupport,life-criticalorsafety-criticalsystemsorequipment,norinapplicationswherefailureormalfunctionofaNexperiaproductcanreasonablybeexpectedtoresultinpersonalinjury,deathorseverepropertyorenvironmentaldamage.
Nexperiaanditssuppliersacceptnoliabilityforinclusionand/oruseofNexperiaproductsinsuchequipmentorapplicationsandthereforesuchinclusionand/oruseisatthecustomer'sownrisk.
Applications—Applicationsthataredescribedhereinforanyoftheseproductsareforillustrativepurposesonly.
Nexperiamakesnorepresentationorwarrantythatsuchapplicationswillbesuitableforthespecifiedusewithoutfurthertestingormodification.
CustomersareresponsibleforthedesignandoperationoftheirapplicationsandproductsusingNexperiaproducts,andNexperiaacceptsnoliabilityforanyassistancewithapplicationsorcustomerproductdesign.
Itiscustomer'ssoleresponsibilitytodeterminewhethertheNexperiaproductissuitableandfitforthecustomer'sapplicationsandproductsplanned,aswellasfortheplannedapplicationanduseofcustomer'sthirdpartycustomer(s).
Customersshouldprovideappropriatedesignandoperatingsafeguardstominimizetherisksassociatedwiththeirapplicationsandproducts.
Nexperiadoesnotacceptanyliabilityrelatedtoanydefault,damage,costsorproblemwhichisbasedonanyweaknessordefaultinthecustomer'sapplicationsorproducts,ortheapplicationorusebycustomer'sthirdpartycustomer(s).
Customerisresponsiblefordoingallnecessarytestingforthecustomer'sapplicationsandproductsusingNexperiaproductsinordertoavoidadefaultoftheapplicationsandtheproductsoroftheapplicationorusebycustomer'sthirdpartycustomer(s).
Nexperiadoesnotacceptanyliabilityinthisrespect.
Limitingvalues—Stressaboveoneormorelimitingvalues(asdefinedintheAbsoluteMaximumRatingsSystemofIEC60134)willcausepermanentdamagetothedevice.
Limitingvaluesarestressratingsonlyand(proper)operationofthedeviceattheseoranyotherconditionsabovethosegivenintheRecommendedoperatingconditionssection(ifpresent)ortheCharacteristicssectionsofthisdocumentisnotwarranted.
Constantorrepeatedexposuretolimitingvalueswillpermanentlyandirreversiblyaffectthequalityandreliabilityofthedevice.
Termsandconditionsofcommercialsale—Nexperiaproductsaresoldsubjecttothegeneraltermsandconditionsofcommercialsale,aspublishedathttp://www.
nexperia.
com/profile/terms,unlessotherwiseagreedinavalidwrittenindividualagreement.
Incaseanindividualagreementisconcludedonlythetermsandconditionsoftherespectiveagreementshallapply.
Nexperiaherebyexpresslyobjectstoapplyingthecustomer'sgeneraltermsandconditionswithregardtothepurchaseofNexperiaproductsbycustomer.
Nooffertosellorlicense—Nothinginthisdocumentmaybeinterpretedorconstruedasanoffertosellproductsthatisopenforacceptanceorthegrant,conveyanceorimplicationofanylicenseunderanycopyrights,patentsorotherindustrialorintellectualpropertyrights.
Documentstatus[1][2]Productstatus[3]DefinitionObjective[short]datasheetDevelopmentThisdocumentcontainsdatafromtheobjectivespecificationforproductdevelopment.
Preliminary[short]datasheetQualificationThisdocumentcontainsdatafromthepreliminaryspecification.
Product[short]datasheetProductionThisdocumentcontainstheproductspecification.
74AHC_AHCT138Allinformationprovidedinthisdocumentissubjecttolegaldisclaimers.
ProductdatasheetRev.
4—2April201416of17Nexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;invertingExportcontrol—Thisdocumentaswellastheitem(s)describedhereinmaybesubjecttoexportcontrolregulations.
Exportmightrequireapriorauthorizationfromcompetentauthorities.
Non-automotivequalifiedproducts—UnlessthisdatasheetexpresslystatesthatthisspecificNexperiaproductisautomotivequalified,theproductisnotsuitableforautomotiveuse.
Itisneitherqualifiednortestedinaccordancewithautomotivetestingorapplicationrequirements.
Nexperiaacceptsnoliabilityforinclusionand/oruseofnon-automotivequalifiedproductsinautomotiveequipmentorapplications.
Intheeventthatcustomerusestheproductfordesign-inanduseinautomotiveapplicationstoautomotivespecificationsandstandards,customer(a)shallusetheproductwithoutNexperia'swarrantyoftheproductforsuchautomotiveapplications,useandspecifications,and(b)whenevercustomerusestheproductforautomotiveapplicationsbeyondNexperia'sspecificationssuchuseshallbesolelyatcustomer'sownrisk,and(c)customerfullyindemnifiesNexperiaforanyliability,damagesorfailedproductclaimsresultingfromcustomerdesignanduseoftheproductforautomotiveapplicationsbeyondNexperia'sstandardwarrantyandNexperia'sproductspecifications.
Translations—Anon-English(translated)versionofadocumentisforreferenceonly.
TheEnglishversionshallprevailincaseofanydiscrepancybetweenthetranslatedandEnglishversions.
15.
4TrademarksNotice:Allreferencedbrands,productnames,servicenamesandtrademarksarethepropertyoftheirrespectiveowners.
16.
ContactinformationFormoreinformation,pleasevisit:http://www.
nexperia.
comForsalesofficeaddresses,pleasesendanemailto:salesaddresses@nexperia.
comNexperia74AHC138;74AHCT1383-to-8linedecoder/demultiplexer;inverting17.
Contents1Generaldescription12Featuresandbenefits13Orderinginformation.
24Functionaldiagram25Pinninginformation.
35.
1Pinning35.
2Pindescription36Functionaldescription47Limitingvalues.
48Recommendedoperatingconditions.
59Staticcharacteristics.
510Dynamiccharacteristics711Waveforms812Packageoutline1113Abbreviations.
1414Revisionhistory.
1415Legalinformation.
1515.
1Datasheetstatus1515.
2Definitions.
1515.
3Disclaimers1515.
4Trademarks.
1616Contactinformation.
1617Contents17MouserElectronicsAuthorizedDistributorClicktoViewPricing,Inventory,Delivery&LifecycleInformation:Nexperia:74AHC138BQ,11574AHC138D,11274AHC138D,11874AHC138PW,11274AHC138PW,11874AHCT138BQ,11574AHCT138D,11274AHCT138D,11874AHCT138PW,11274AHCT138PW,118
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