54AC157

54AC157 TI1 | Alldatasheet

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54AC157,54ACT157 www.ti.com SNOS089B –JULY 1998–REVISED APRIL 2013 54ACT157•54AC157Quad2-InputMultiplexer Check forSamples: 54AC157 ,54ACT157 1FEATURES DESCRIPTION The 'AC/'ACT157 is a high-speed quad 2-input 23• ICC and IOZ Reduced by 50% multiplexer.Fourbitsofdatafromtwo sourcescan be• Outputs Source/Sink24 mA selectedusingthecommon Selectand Enableinputs.

• 'ACT157 has TTL-CompatibleInputs The fouroutputspresenttheselecteddatainthetrue (noninverted)form.The 'AC/'ACT157 can also be• Standard MicrocircuitDrawing (SMD) used as a functiongenerator.– 'AC157:5962-89539 – 'ACT157: 5962-89688 Logic Symbols Figure1. Figure2.IEEE/IEC Pin Names Description I0a–I0d Source0 Data Inputs I1a–I1d Source1 Data Inputs E EnableInput S SelectInput Za–Zd Outputs Pleasebe aware thatan importantnoticeconcerningavailability,standardwarranty,and use incriticalapplicationsof Texas Instrumentssemiconductorproductsand disclaimerstheretoappearsattheend ofthisdatasheet. 2FACT isa registeredtrademarkofFairchildSemiconductor. 3Allothertrademarksarethepropertyoftheirrespectiveowners. PRODUCTION DATA informationiscurrentas ofpublicationdate. Copyright© 1998–2013,Texas InstrumentsIncorporatedProductsconform to specificationsper the terms of the Texas Instrumentsstandardwarranty.Productionprocessingdoes not necessarilyincludetestingofallparameters.

54AC157,54ACT157 SNOS089B –JULY 1998–REVISED APRIL 2013 www.ti.com Connection Diagrams Figure3.16-PinCDIP or CLGA Figure4.20-PinLCCC See NFE0016A or NAD0016A Package See NAJ0020A Package FUNCTIONAL DESCRIPTION The 'AC/'ACT157isa quad 2-inputmultiplexer.Itselectsfourbitsofdatafromtwo sourcesunderthecontrolofa common Selectinput(S).The Enableinput(E) isactive-LOW.When E isHIGH, alloftheoutputs(Z)areforced LOW regardlessofallotherinputs.The 'AC/'ACT157isthelogicimplementationofa 4-pole,2-positionswitch where thepositionoftheswitchisdeterminedby thelogiclevelssuppliedtotheSelectinput.The logicequations fortheoutputsareshown below: Za = E •(I1a •S + I0a •S) Zb = E •(I1b •S + I0b •S) Zc = E •(I1c •S + I0c •S) Zd = E •(I1d •S + I0d •S) A common use ofthe'AC/ACT157 isthemoving ofdatafrom two groupsofregisterstofourcommon output busses.The particularregisterfromwhichthedatacomes isdeterminedby thestateoftheSelectinput.A less obvioususe isas a functiongenerator.The 'AC/'ACT157can generateany fourofthesixteendifferentfunctions oftwo variableswithone variablecommon. Thisisusefulforimplementinggatingfunctions. TruthTable(1) Inputs Outputs E S I0 I1 Z H X X X L L H X L L L H X H H L L L X L L L H X H (1) H = HIGH VoltageLevel L = LOW VoltageLevel X = Immaterial

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54AC157,54ACT157 www.ti.com SNOS089B –JULY 1998–REVISED APRIL 2013 Logic Diagram Pleasenotethatthisdiagramisprovidedonlyfortheunderstandingoflogicoperationsand shouldnotbe used to estimatepropagationdelays. Copyright© 1998–2013,Texas InstrumentsIncorporated SubmitDocumentationFeedback 3 ProductFolderLinks:54AC157 54ACT157

54AC157,54ACT157 SNOS089B –JULY 1998–REVISED APRIL 2013 www.ti.com These deviceshave limitedbuilt-inESD protection.The leadsshouldbe shortedtogetherorthedeviceplacedinconductivefoam duringstorageorhandlingtopreventelectrostaticdamage totheMOS gates. AbsoluteMaximum Ratings(1)(2) SupplyVoltage(VCC ) −0.5Vto+7.0V VI= −0.5V −20 mA DC InputDiodeCurrent(IIK) VI= VCC + 0.5V +20 mA DC InputVoltage(VI) −0.5VtoVCC + 0.5V VO = −0.5V −20 mA DC OutputDiodeCurrent(IOK ) VO = VCC + 0.5V +20 mA DC OutputVoltage(VO ) −0.5VtoVCC + 0.5V DC OutputSourceorSinkCurrent(IO ) ±50 mA DC VCC orGround CurrentperOutputPin(ICC orIGND ) ±50 mA StorageTemperature(TSTG ) −65°C to+150°C JunctionTemperature(TJ) CDIP 175°C (1) AbsoluteMaximum Ratingsarethosevaluesbeyond whichdamage tothedevicemay occur.The databookspecificationsshouldbe met,withoutexception,toensurethatthesystemdesignisreliableoveritspower supply,temperature,and output/inputloading variables.TIdoes notrecommend operationofFACT ® circuitsoutsidedatabookspecifications. (2) IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheTexas InstrumentsSalesOffice/Distributorsforavailabilityand specifications. Recommended OperatingConditions 'AC 2.0Vto6.0V SupplyVoltage(VCC ) 'ACT 4.5Vto5.5V InputVoltage(VI) 0V toVCC OutputVoltage(VO ) 0V toVCC OperatingTemperature(TA) 54AC/ACT −55°C to+125°C VIN from30% to70% ofVCC Minimum InputEdge Rate (ΔV/Δt)'AC Devices 125 mV/ns VCC @ 3.3V,4.5V,5.5V VIN from0.8Vto2.0V Minimum InputEdge Rate (ΔV/Δt)'ACT Devices 125 mV/ns VCC @ 4.5V,5.5V

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54AC157,54ACT157 www.ti.com SNOS089B –JULY 1998–REVISED APRIL 2013 DC Characteristicsfor'AC FamilyDevices 54AC Symbol Parameter VCC Units Conditions TA = −55°C to+125°C (V) Ensured Limits VIH Minimum HighLevelInputVoltage 3.0 2.1 VOUT = 0.1V 4.5 3.15 V orVCC − 0.1V 5.5 3.85 VIL Maximum Low LevelInputVoltage 3.0 0.9 VOUT = 0.1V 4.5 1.35 V orVCC − 0.1V 5.5 1.65 VOH Minimum HighLevelOutputVoltage 3.0 2.9 IOUT = −50 μA 4.5 4.4 V 5.5 5.4 VIN = VILorVIH(1) 3.0 2.4 IOH = −12 mA 4.5 3.7 V IOH = −24 mA 5.5 4.7 IOH = −24 mA VOL Maximum Low LevelOutputVoltage 3.0 0.1 IOUT = 50 μA 4.5 0.1 V 5.5 0.1 VIN = VILorVIH (1) 3.0 0.50 IOL = 12 mA 4.5 0.50 V IOL = 24 mA 5.5 0.50 IOL = 24 mA IIN Maximum InputLeakage Current 5.5 ±1.0 μA VI= VCC ,GND IOLD Minimum Dynamic OutputCurrent(2) 5.5 50 mA VOLD = 1.65VMax IOHD 5.5 −50 mA VOHD = 3.85VMin ICC Maximum QuiescentSupplyCurrent 5.5 80.0 μA VIN = VCC orGND (1) Alloutputsloaded;thresholdson inputassociatedwithoutputundertest. (2) Maximum testduration2.0ms, one outputloadedata time. Copyright© 1998–2013,Texas InstrumentsIncorporated SubmitDocumentationFeedback 5 ProductFolderLinks:54AC157 54ACT157

54AC157,54ACT157 SNOS089B –JULY 1998–REVISED APRIL 2013 www.ti.com DC Characteristicsfor'ACT FamilyDevices 54ACT VCCSymbol Parameter TA = −55°C to+125°C Units Conditions(V) Ensured Limits VIH Minimum HighLevelInputVoltage 4.5 2.0 V VOUT = 0.1V 5.5 2.0 orVCC − 0.1V VIL Maximum Low LevelInputVoltage 4.5 0.8 V VOUT = 0.1V 5.5 0.8 orVCC − 0.1V VOH Minimum HighLevelOutputVoltage 4.5 4.4 V IOUT = −50 μA 5.5 5.4 VIN = VILorVIH(1) 4.5 3.70 V IOH = −24 mA 5.5 4.70 IOH = −24 mA VOL Maximum Low LevelOutputVoltage 4.5 0.1 V IOUT = 50 μA 5.5 0.1 VIN = VILorVIH(1) 4.5 0.50 V IOL = 24 mA 5.5 0.50 IOL = 24 mA IIN Maximum InputLeakage Current 5.5 ±1.0 μA VI= VCC ,GND ICCT Maximum ICC /Input 5.5 1.6 mA VI= VCC − 2.1V IOLD Minimum Dynamic OutputCurrent(2) 5.5 50 mA VOLD = 1.65VMax IOHD 5.5 −50 mA VOHD = 3.85VMin ICC Maximum QuiescentSupplyCurrent 5.5 80.0 μA VIN = VCC orGND (1) Alloutputsloaded;thresholdson inputassociatedwithoutputundertest. (2) Maximum testduration2.0ms, one outputloadedata time.

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54AC157,54ACT157 www.ti.com SNOS089B –JULY 1998–REVISED APRIL 2013 AC ElectricalCharacteristics 54AC TA = −55°C to+125°CVCCSymbol Parameter Units Fig.No.(V)(1) C L = 50 pF Min Max tPLH PropagationDelay 3.3 1.0 16.0 ns S toZn 5.0 1.0 12.0 tPHL PropagationDelay 3.3 1.0 14.0 ns S toZn 5.0 1.0 11.5 tPLH PropagationDelay 3.3 1.0 16.0 ns E toZn 5.0 1.0 12.0 tPHL PropagationDelay 3.3 1.0 14.0 ns E toZn 5.0 1.0 11.5 tPLH PropagationDelay 3.3 1.0 11.0 ns In toZn 5.0 1.0 9.0 tPHL PropagationDelay 3.3 1.0 11.0 ns In toZn 5.0 1.0 9.0 (1) VoltageRange 3.3is3.3V±0.3V. VoltageRange 5.0is5.0V±0.5V. Copyright© 1998–2013,Texas InstrumentsIncorporated SubmitDocumentationFeedback 7 ProductFolderLinks:54AC157 54ACT157

54AC157,54ACT157 SNOS089B –JULY 1998–REVISED APRIL 2013 www.ti.com AC ElectricalCharacteristics 54ACT TA = −55°C to+125°CVCCSymbol Parameter Units Fig.No.(V)(1) C L = 50 pF Min Max tPLH PropagationDelay(S toZn) 5.0 1.0 11.5 ns tPHL PropagationDelay(S toZn) 5.0 1.0 11.5 ns tPLH PropagationDelay(E toZn) 5.0 1.0 12.0 ns tPHL PropagationDelay(E toZn) 5.0 1.0 10.0 ns tPLH PropagationDelay(In toZn) 5.0 1.0 8.5 ns tPHL PropagationDelay(In toZn) 5.0 1.0 9.0 ns (1) VoltageRange 5.0is5.0V±0.5V. Capacitance Symbol Parameter Typ Units Conditions C IN InputCapacitance 4.5 pF VCC = OPEN C PD Power DissipationCapacitance 50.0 pF VCC = 5.0V

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54AC157,54ACT157 www.ti.com SNOS089B –JULY 1998–REVISED APRIL 2013

REVISION HISTORY

Changes from RevisionA (April2013)toRevisionB Page Copyright© 1998–2013,Texas InstrumentsIncorporated SubmitDocumentationFeedback 9 ProductFolderLinks:54AC157 54ACT157

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