5962-8864405VXXC中文资料

1StandardProductsUT63M1XXMIL-STD-1553A/BBusTransceiverDataSheetSept.1999FEATURESqFullconformancetoMIL-STD-1553Aand1553BqCompletelymonolithicbipolartechnologyqLowpowerconsumptionqFitandfunctionallycompatibletoindustrystandard631XXseriesqIdlelowencodingversionqFlexiblepowersupplyvoltages:VCC=+5V,VEE=-12Vor-15V,andVCCA=+5Vto+12Vor+5Vto+15VqFullmilitaryoperatingtemperaturerange,-55°Cto+125°C,screenedtoQMLQorQMLVrequirementsqStandardMilitaryDrawingavailableINTRODUCTIONThemonolithicUT63M1XXTransceiversarecompletetransmitterandreceiverpairsconformingfullytoMIL-STD-1553Aand1553B.Encoderanddecoderinterfacesareidlelow.UTMC’sadvancedbipolartechnologyallowsthepositiveanalogpowertorangefrom+5Vto+12Vor+5Vto+15V,providingmoreflexibilityinsystempowersupplydesign.ThereceiversectionoftheUT63M1XXseriesacceptsbiphase-modulatedManchesterIIbipolardatafromaMIL-STD-1553databusandproducesTTL-levelsignaldataatitsRXOUTandRXOUToutputs.AnexternalRXENinputenablesordisablesthereceiveroutputs.TXINRXOUTRXENFROMENCODERTODECODERDRIVERSCOMPAREFILTERLIMITERandFILTERTXIHBFigure1.FunctionalBlockDiagramRXINTXOUTRXINTXOUTRXOUTTXINTHRESHOLDREFERENCE2LegendforTYPEfield:TI=TTLinputTO=TTLoutputDO=DifferentialoutputDI=Differentialinput()=ChanneldesignatorTRANSMITTERNAMEPACKAGEPINTYPEDESCRIPTIONSINGLEDUALTXOUT(A)11DOTransmitteroutputs:TXOUTandTXOUTaredifferentialdatasignals.TXOUT(B)N/A10DOTXOUT(A)22DOTXOUTisthecomplementofTXOUT.TXOUT(B)N/A11DOTXIHB(A)2134TITransmitterinhibit:thisisanactivehighinputsignal.TXINB(B)N/A25TITXIN(A)2235TITransmitterinputs:TXINandTXINarecomplementaryTTL-levelManchesterIIencoderinputs.TXIN(B)N/A26TITXIN(A)2336TITXINisthecomplementofTXINinput.TXIN(B)N/A27TIThetransmittersectionacceptsbiphaseTTL-levelsignaldataatitsTXINandTXINandproducesMIL-STD-1553datasignals.Thetransmitter’soutputvoltageistypically42VPP,L-L.ActivatingtheTXIHBinputorsettingbothdatainputstothesamelogicleveldisablesthetransmitter.TheUT63M1XXseriesoffersamonolithictransmitterandreceiverpackagedineithersinglechannel(24-pin)ordual-channel(36-pin)configurationsdesignedforuseinanyMIL-STD-1553application.3RECEIVERNAMEPACKAGEPINTYPEDESCRIPTIONSINGLEDUALRXOUT(A)75TOReceiveroutputs:RXOUTandRXOUTarecomplementaryManchesterIIdecoderoutputs.RXOUT(B)N/A14TORXOUT(A)108TORXOUTisthecomplementofRXOUToutputRXOUT(B)N/A17TORXEN(A)86TIReceiverenable/disable:Thisisanactivehighinputsignal.RXEN(B)N/A15TIRXIN(A)1529DIReceiverinputs:RXINandRXINarebiphase-modulatedManchesterIIbipolarinputsfromMIL-STD-1553databus.RXIN(B)N/A20DIRXIN(A)1630DIRXINisthecomplementofRXINinput.RXIN(B)N/A21DIPOWERANDGROUNDNAMEPACKAGEPINTYPEDESCRIPTIONSINGLEDUALVCC(A)2033PWR+5VDCpower(±10%)VCC(B)N/A24PWRVCCA(A)1328PWR+5to+12VDCpoweror+5to+15VDCpower(±5%)VCCA(B)N/A19PWRVEE(A)1932PWR-12or-15VDCpower(±5%)Recommendedde-couplingcapacitors4.7μFand.1μFVEE(B)N/A23PWRGND(A)3,9,183,7,31GNDGroundreferenceGND(B)N/A12,16,22GND4RXENRXOUTTXOUTRXINTXIN242322212019181716151413121110987654321NCNCGNDNCNCNCGNDNCNCGNDNCCHANNELFigure2a.FunctionalPinDiagram--SingleChannelTXIHBTXOUTRXOUTTXINRXINVCCAVCCVEEARXINTXINRXINTXINTXOUTRXOUTRXOUTRXENRXENTXOUT362610111314151718162728CHANNEL353433323130292625242322B212019CHANNEL12345A678912GNDGNDGNDNCGNDNCGNDNCGNDNCTXIHBTXIHBFigure2b.FunctionalPinDiagram--DualChannelTXOUTRXOUTTXINRXINTXOUTRXINTXINRXOUTVCCAVCCAVCCVEEVCCVEE5TRANSMITTERThetransmittersectionacceptsManchesterIIbiphaseTTLdataandconvertsthisdataintodifferentialphase-modulatedcurrentdrive.TransmittercurrentdriversarecoupledtoaMIL-STD-1553databusviaatransformerdrivenfromtheTXOUTandTXOUTterminals.Transmitteroutputterminals’non-transmittingstateisenabledbyassertingTXIHB(logic1),orbyplacingbothTXINandTXINatthesamelogiclevel.Table1,TransmitOperatingMode,liststhefunctionsfortheoutputdatainreferencetothestateofTXIHB.Figure3showstypicaltransmitterwaveforms.RECEIVERThereceiversectionacceptsbiphasedifferentialdatafromaMIL-STD-1553databusatitsRXINandRXINinputs.ThereceiverconvertsinputdatatobiphaseManchesterIITTLformatandisavailablefordecodingattheRXOUTandRXOUTterminals.TheoutputsRXOUTandRXOUTrepresentpositiveandnegativeexcursions(respectively)oftheinputsRXINandRXIN.Figure4showstypicalreceiveroutputwaveforms.ModelsUT63M105,UT63M107,UT63M125,andUT63M127idleinthe“0”statewhendisabledorreceivingnosignal.POWERSUPPLYVOLTAGESTheUT63M1XXseriesmeetsdevicerequirementsoverawiderangeofpowersupplyvoltages.Table2showstheoverallcapabilitiesofallavailabledevices.Eachchannelofthedualtransceiveriselectricallyandphysicallyseparatefromtheotherandfullyindependent,includingallpowerandsignallines.Thustherewillbenointeractionbetweenthechannels.Notes:1.x=Don’tcare.2.Transmitteroutputterminalsareinthenon-transmittingmodeduringOfftime.3.Transmitteroutputterminalsareinthenon-transmittingmodeduringOfftime,independentofTXIHBstatus.Table1.TransmitOperatingModeTXINTXINTXIHBTXOUTx1x1Off200xOff3010On100On11xOff3TXINFigure3.TypicalTransmitterWaveformsTXINtTXDD90%10%TXOUT,TXOUTTXINLINE-TO-LINEDIFFERENTIALOUTPUTTXINTXIHBBOTHHIGHORBOTHLOW6DATABUSINTERFACEThedesignercanconnecttheUT63M1XXtotheda