Transcription of TXB0304 4-Bit Bidirectional Level-Shifter/Voltage ...
1 ProcessorPeripheralVCCAVCCBC opyright 2016, texas instruments IncorporatedProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand SEPTEMBER2011 REVISEDMAY2016 TXB03044-Bit BidirectionalLevel-Shifter/VoltageTransl atorwith AutomaticDirectionSensing11 Features1 FullySymmetricSupplyVoltages, V to Von A Port and V to V VCCI solationFeature If EitherVCCI nputis atGND,all Outputsare in High-ImpedanceState OE InputCircuitReferencedto VCCA Low PowerConsumption,5 A Max (ICCAor ICCB) IoffSupportsPartial-Power-DownModeOperat ion Latch-UpPerformanceExceeds100 mA PerJESD78, ClassII ESDP rotectionExceedsJESD22 8000-VHuman-BodyModel(A114-B) 1000-VCharged-DeviceModel(C101)2 Applications PersonalElectronics Industrial Enterprise Telecom3 DescriptionThis4-bitnon-invertingtransla torusestwo portisdesignedto trackVCCA.
2 V to V. The B port is designedtotrackVCCB. VCCB acceptsany to Thisallowsfor lowVoltagebidirectionaltranslationbetwee n1 V, V, V, , V and V the TXB0304 ,whenthe output-enable(OE)inputis low, all outputsare placedin the ensurethe high-impedancestateduringpowerup or powerdown,OE shouldbe tied to GNDthrougha pull-downresistor;theminimumvalueof theresistorisdeterminedby the current-sourcingcapabilityof devicecontrolpin inputcircuitissuppliedby VCCA. Thisdeviceis fullyspecifiedforpartial-power-downappli cationsusingIoff. TheIoffcircuitrydisablesthe outputs,preventingdamagingcurrentbackflo wthroughthe devicewhenit the OE signalbeingactivehigh and activelow (1)PARTNUMBERPACKAGEBODYSIZE(NOM) TXB0304 RUTUQFN(12) (16) (1) For all availablepackages,see the orderableaddendumatthe end of the TXB03042 TXB0304 SCES831F SEPTEMBER2011 : TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE.
3 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (August2014)to RevisionFPage MadechangestoAbsoluteMaximumRatings,Reco mmendedOperatingConditions(1)(2), (October2012)to RevisionEPage AddedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and ChangedVCCAand VCCBin the ABSMAX tableto VCCAand VCCBin 3 Changedin ELECCHARAC tablethe x VCCAand x VCCB fromMAXcolumninto the MIN Changedin (2 places)in the MIN columnto the (May2012)to RevisionDPage (September2011)to RevisionCPage Addedpackagepin out 3 4876512 11 10 913141516A1A2A3A4B1B2B3B4/OEGNDGNDNCVCCB NCNCVCCA12 3 4876512 11 10 913141516A1A2A3A4B1B2B3B4/OEGNDGNDNCVCCB NCNCVCCA123 48765121110913141516A1A2A3A4B1B2B3B4 OEGNDGNDNCVCCBNCNCVCCA123 SEPTEMBER2011 REVISEDMAY2016 ProductFolderLinks.
4 TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsRSVP ackage16-PinUQFNTXB0304 Top ViewRSVP ackage16-PinUQFNTXBN0304 Top notesaboutpackagepin out ViewRUTP ackage12-PinUQFNTXBN0304 Top ViewPin FunctionsPINTYPEDESCRIPTIONNAMETXB0304 TXBN0304 RSVRUTRSVRUTA11212I/OInput/output1 Referencedto VCCAA22323I/OInput/output2A33434I/OInput /output3A44545I/OInput/output4B112101210 I/OInput/output4 Referencedto VCCBB2119119I/OInput/output3B3108108I/OI nput/output2B49797I/OInput/output1 GND6, 766,76 GNDG roundNC5, 14, 15 5, 14, 15 No connection;not internallyconnectedOE812 OE ( TXB0304 )low to placealloutputsin OE (TXBN0304)high to placealloutputsin V VCCA VVCCB13111311 V VCCB V4 TXB0304 SCES831F SEPTEMBER2011 : TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.
5 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)The valueof VCCAand VCCBare providedin the (unlessotherwisenoted)(1)MINMAXUNITVCCAS upplyvoltage port port any outputin the high-impedanceor power-offstateA port port any outputin the highor low state(2)A port + port + < 0 50mAIOKO utputclampcurrentVO< 0 50mAIOC ontinuousoutputcurrent 50mAContinuouscurrentthroughVCCA, VCCB, or GND 100mATstgStoragetemperature 65150 CTJJ unctiontemperature 40125 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHumanbodymode l(HBM),per ANSI/ESDA/JEDECJS-001,all pins(1) 8000 VChargeddevicemodel(CDM),per JEDEC specificationJESD22-C101,all pins(2) 1000(1)The A and B sidesof an unuseddataI/O pair mustbe held in the samestate,suchas, bothat VCCIor bothat GND.
6 (2)VCCIis the supplyvoltageassociatedwith the (1)(2) V to V to VVCCI V to V to VVCCA V to V to V0 VCCI V to V to V0 VCCA V to V to V0 VCCA any outputinthe high-impedanceor V to V to V to V to t/ vInputtransitionrise or fall V to V to V40 V to V to V40 TAOperatingfree-airtemperature 4085 SEPTEMBER2011 REVISEDMAY2016 ProductFolderLinks: TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporated(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, (1) TXB0304 UNITRUT(UQFN)RSV(UQFN)12 PINS16 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W (unlessotherwisenoted)PARAMETERTESTCONDI TIONSVCCAVCCBMINTYPMAXUNITVOHAHigh-level outputvoltageIOH= 20 ATA= 25 V to xVCCAVVOLALow-leveloutputvoltageIOL= 20 A 40 C to 85 V to 20 ATA= 25 V to xVCCBVVOLBLow-leveloutputvoltageIOL= 20 A 40 C to 85 V to VCCIor GNDTA= 25 V to V to V 1 A 40 C to 85 C 2 IoffA portVIor VO= 0 to VTA= 25 C0 V0 V to V 1 A 40 C to 85 C 2B portVIor VO= 0 to VTA= 25 V to V0 V 1 40 C to 85 C 2 IOZA or B portOE = GNDTA= 25 V to V to V 1 A 40 C to 85 C 2 ICCAVI= VCCIor GND,IO= 0 40 C to 85 V to V to V5 AICCBVI= VCCIor GND,IO= 0 40 C to 85 V to V to V5 AICCA+ ICCBVI= VCCIor GND,IO= 0 40 C to 85 V to V to V10 AICCZAHigh-ZstatesupplycurrentVI= VCCIor GND,IO= 0.
7 OE = GND 40 C to 85 V to V to V5 AICCZBHigh-ZstatesupplycurrentVI= VCCIor GND,IO= 0, OE = GND 40 C to 85 V to V to V5 ACiOETA= 25 V to V to V3pFCioA portTA= 25 C, OE = V to V to SEPTEMBER2011 : TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016, (unlessotherwisenoted)PARAMETERLOADVCCAV CCBMINMAXUNITD atarateCL= 15 to to V50 MbpsCL= 15 to to V100 MbpsCL= 15 to to V140 MbpsCL= 30 to to V40 MbpsCL= 30 to to V90 MbpsCL= 30 to to V130 MbpsCL= 50 to to V80 MbpsCL= 50 to to V120 MbpsCL= 100 to to V70 MbpsCL= 100 to to V100 Mbps(1)TA= 25 (unlessotherwisenoted).(For parameterdescriptions,see Figure2 and Figure3.)PARAMETERFROM(INPUT)TO(OUTPUT)L OADVCCAVCCBMINTYP(1)MAXUNITtpdABCL= , tfBB-portrise and fall timesCL= , tsAA-portrise and fall timesCL= (O)Channel-to-channelskewCL= (V)OE Pin Input Capacitance (pF) 4025qC (Room Temperature) SEPTEMBER2011 REVISEDMAY2016 ProductFolderLinks.
8 TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporated(1)VCCA , V to powerdissipationcapacitancemeasuredat TA= 25 (1)UNITCpdAA-portinput,B-portoutputCL= 0, f = 10 MHz,tr= tf= 1 ns, OE = VCCA(outputsenabled)34pFB-portinput,A-po rtoutput34 CpdBA-portinput,B-portoutput34pFB-portin put,A-portoutput34 CpdAA-portinput,B-portoutputCL= 0, f = 10 MHz,tr= tf= 1 ns, OE = GND(outputsdisabled) , , , InputCapacitorsfor OE Pin (CI) vs PowerSupply(VCCA)From OutputUnder TestLOAD CIRCUIT FORENABLE/DISABLETIME MEASUREMENTS12 VCCOOpen50 k!VOLTAGE WAVEFORMSPROPAGATION DELAY TIMEStPZL/tPLZtPHZ/tPZH2 VCCOOpenTESTS150 k!From OutputUnder Test50 kCL15 pFLOAD CIRCUIT FOR MAX DATA RA TE,PULSE DURATION PROPAGATIONDELAY OUTPUT RISE AND FALL TIMEMEASUREMENTtPLHtPHL0 VVCCO/2 VCCI/2 VCCOtfVCCII nputOutputVOHVOLxxtWInputV/2 CCIV/2 CCIVCCI0 VVOLTAGE WAVEFORMSPULSE DURATION8 TXB0304 SCES831F SEPTEMBER2011 : TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporated7 jig inputpulsesare suppliedby generatorshavingthe followingcharacteristics.
9 PRR10 MHz,ZO= 50 , dv/dt 1 outputsare measuredone at a time,with one transitionper tPHLare the sameas the VCCassociatedwith the the VCCassociatedwith parametersand waveformsare not applicableto all LoadCircuitsand VoltageWaveformsOutputWaveform 1S1 at 2 V(see Note 3)CCOVOHVOLOE inputOutputWaveform 2S1 at GND(see Note 3)tPZLtPZHtPLZtPHZV / 2 CCAV / 2 CCA0 VVCCO / 2 CCOVCCO / 2 CCO0 SEPTEMBER2011 REVISEDMAY2016 ProductFolderLinks: TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporatedParamet erMeasurementInformation(continued)(1)tP LZand tPHZare the sameas tdis.(2)tPZLand tPZHare the sameas ten.(3)Waveform1 is for an outputwith internalsuchthat the outputis high,exceptwhenOE is is for anoutputwith conditionssuchthat the outputis low, exceptwhenOE is Enableand DisableTimesT1T2T4T3 VCCAVCCBABOneShotOneShotOneShotOneShot1 k!
10 1 k!Copyright 2016, texas instruments Incorporated10 TXB0304 SCES831F SEPTEMBER2011 : TXB0304 SubmitDocumentationFeedbackCopyright 2011 2016,TexasInstrumentsIncorporated8 TXB0304and TXBN0304can be usedin level-translationapplicationsfor interfacingdevicesor systemsoperatingat differentinterfacevoltageswith one TXB0304and TXBN0304architecture(seeFigure4) doesnot requirea direction-controlsignalto controlthedirectionof dataflow fromA to B or fromB to A. In a dc state,the outputdriversof the TXB0304can maintainahigh or low, but are designedto be weak,so that they can be overdrivenby an externaldriverwhendataon thebus startsflowingthe outputone shotsdetectrisingor fallingedgeson the A or B risingedge,the one shot turnson the PMOS transistors(T1, T3) for a shortduration,whichspeedsupthe ,duringa fallingedge,the one shot turnson the NMOS transistors(T2, T4) fora shortduration,whichspeedsup the 30 at VCCO= V to 1 V, 10 at VCCO= V to V, and 5 at VCCO= V to Architectureof TXB0304I/O CellpdohCCoutpdRV !
