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HI-15530 manchesterencoder/decoder pinconfiguration (topview) 24vdd 23encoderclk 22sendclkin 21senddata 20syncselect 19encoderenable 18serialdatain 17 16 15 146out 13masterreset bipolaroneout outputinhibit bipolarzeroout ? validword1 encodershiftclk2 takedata3 serialdataout4 decoderclk5 bipolarzeroin6 bipolaronein7 unipolardatain8 decodershiftclk9 command/sync10 decoderreset11 gnd12 data HI-15530psi 24pinsoicpackage generaldescription theHI-15530isahighperformancecmosintegrated circuitdesignedtomeettherequirementsofmil-std-1553 andsimilarmanchesteriiencoded,timedivision multiplexedserialdataprotocols.theHI-15530contains bothanencoderanddecoder,whichoperate independently. thedevicegeneratesmil-std-1553syncpulses,paritybits aswellasthemanchesteriiencodingofthedatabits.the decoderrecognizesandidentifiessyncpulses,decodes databits,andperformsparitychecking. theHI-15530supportsthe1mbit/sdatarateofmil-std- 1553overthefulltemperatureandvoltage range. forapplicationsrequiringsmallfootprintsandlowcost,the HI-15530isavailableina24-pinplasticsoicpackage. ceramicdipandlccpackagesarealsoavailableto achievethehighestlevelofreliabilityandtoprovidedrop-in replacementforobsoletepartsfromothermanufacturers. applications ! ! ! mil-std-1553interfaces smartmunitions storesmanagement ! ! ! arinc708ainterfaces sensorinterfaces instrumentation features ! ! ! ! mil-std-1553compatible interfacestohi-1567transceiver 1.25mbit/sdatarate clockrecovery ! ! ! ! smallfootprint24-pinplasticsoicpackage option directreplacementfor: harrishd15530 gecplesseysemiconductorsmas15530 aeroflexact15530 manchesteriiencodeanddecode syncidentificationandlock-in july2001 holtintegratedcircuits (ds15530rev.a)07/01
signalfunctiondescription validwordoutputahighoutputsignalsthereceiptofavalidword encodershiftclockoutputshiftsdataintotheencoderonalowtohightransition takedataoutputoutputishighduringreceiptofdataafteridentificationofasync pulseandtwovalidmanchesterdatabits. serialdataoutoutputreceiveddataoutputinnrzformat decoderclockinput12xthedatarate.clockforthetransitionfinderandsynchronizer, whichgeneratestheinternalclockfortheremainderofthedecoder bipolarzeroininputahighinputindicatesthe1553busisinitsnegativestate. thispinmustbeheldhighwhentheunipolarinputisused bipolaroneininputahighinputind icatesthe1553busisinthepositivestate. thispinmustbeheldlowwhentheunipolarinputisused unipolardataininputinputforunipolardatatothetransitionfinder.mustbeheldlowwhen notinuse decodershiftclockoutputprovidesthedecoderclockdividedby12,synchronizedbythe recoveredserialdata command/syncoutputahighonthispinoccursduringtheoutputofdecodeddatawhich wasprecededbyacommand(orstatus)synchronizingcharacter.a lowoutputindicatesadatasynchronizingcharacter decoderresetinputahighappliedtothispinduringadecodershiftclockrisi ng edgeresetsthebitcounter gndpower0vsupply masterresetinputahighonthispinclears2:1countersinbothencoderanddecoder, andresetsthedivide-by-6circuit 6outoutputprovidesencoderclockdividedby6 outputanactivelowoutputintendedtodrivethezeroornegativesenseofa mil-std-1553linedriver inputalowinhibitstheandby forcingthemtoinactivehighstates outputanactivelowoutputintendedtodrivetheoneorpositivesenseona mil-std-1553linedriver serialdataininputreceiverserialdataattherateoftheencodershiftclock encoderenableinputahighonth ispininitiatestheencodecycle.(subjecttothe preceedingcyclebeingcomplete) syncselectinputactuatesacommandsyncforaninputhighandadatasyncfora low senddataoutputanactivehighoutputwhichenablestheexternalsourceofserial data sendclockininputclockinputat2timesthedatarate,usualydrivenby6out encoderclockinputinputtothedivideby6circuit.normalfrequencyisdataratex12 vddpower5v+/-10% data bipolarzeroout outputinhibitbipolarzerooutbipolaroneout bipolaroneout ? ? pindescriptions holtintegratedcircuits 2 HI-15530
encoderoperation HI-15530 holtintegratedcircuits 3 theencoderrequiresasingleclockwithafrequencyof twicethedesiredrateappliedatthesendclockinput. anauxiliarydividebysixcounterisprovidedonchipwhich canbeutilizedtoproducethesendclockbydividing theencoderclock. theencoder'scyclebeginswhenencoderenableis highduringafallingedgeofencodershiftclock(1). thiscyclelastsforonewordlengthortwentyencoder shiftclockperiods.atthenextlow-to-hightransitionof theencodershiftclock,ahighatsyncselect inputactuatesacommandsyncoralowwillproducea datasyncforthatword(2).whentheencod erisreadyto acceptdata,thesenddataoutputwillgohighand remainhighforsixteenencodershiftclockperiods (3).duringthesesixteenperiodsthedatashouldbe clockedintotheserialdatainputwitheverylow-to-high transitionoftheencodershiftclock(3)-(4).after thesyncandthemanchesteriicodeddataaretransmitted throughtheandoutputs, theencoderaddsonanadditionalbitwhichistheparityfor thatword(5).ifencoderenableisheldhighcontinu- ously,consecutivewordswillbeencodedwithoutan interframegap.encoderenablemustgolowbytime (5)asshowntoprev entaconsecutivewordfrombeing encoded.atanytimealowontheinput willforcebothbipolaroutputstoahighstatebutwillnot affecttheencoderinanyotherway. bipolaronebipolarzero outputinhibit 0 1 2 3 4 5 6 7 15 16 17 18 19 15 14 13 12 11 3 2 1 0 p 3 2 1 0 p 15 14 13 12 11 sync sync sync 15 14 13 12 11 3 2 1 0 10 sync valid (1) (2) (3) (4) (5) don?tcare don?tcare syncselect encoder enable encoder shiftclk sendclk timing senddata serial datain bipolar oneout biploar zeroout bit counter character former ? 6 ?2 ? 6 masterreset sendclkin ? 6out encoderclk send data encoder shift clk serial data in encoder enable sync select output inhibit bipolar oneout bipolar zeroout bit counter character former ? 6 ?2 ? 6 masterreset sendclkin ? 6out encoderclk send data encoder shift clk serial data in encoder enable sync select output inhibit bipolar oneout bipolar zeroout toaborttheencodertransmissionapositivepulsemustbe appliedatmasterreset.anytimeafterorduringthis pulse,alowtohightransitiononsendclockclearsthe internalcountersandinitializestheencoderforanew word.
thedecoderrequiresasingleclockwithafrequencyof12 timesthedesireddatarateappliedatthedecoder clockinput.themanchesteriicodeddatacanbe presentedtothedecoderinoneoftwoways.the bipolaroneandbipolarzeroinputswillaccept datafromacomparatorsensedtransformercoupledbusas specifiedinmil-std-1553.theunipolardatainput canonlyacceptnon-invertedmanchesteriicodeddata (e.g.fromofanencoder).the decoderisfreerunningandcontinuouslymonitorsitsdata inputlinesforavalidsynccharacterandtwovalid manchesterdatabitstostartanoutputcy cle.whenavalid syncisrecognized(1),thetypeofsyncisindicatedon command/syncoutput.ifthesynccharacterwas acommandsync,thisoutputwillgohigh(2)andremain highforsixteendecodershiftclockperiods(3), otherwiseitwillremainlow.thetakedataoutputwillgo highandremainhigh(2)-(3)whilethedecoderis transmittingthedecodeddatathroughserialdataout. thedecodeddataavailableatserialdataoutisina nrzformat.thedecodershiftclockisprovidedso thatthedecodedbitscanbeshiftedintoanexternalregister oneverylow-to-hightransitionofthisclock( 2)-(3).afterall sixteendecodedbitshavebeentransmitted(3)thedatais checkedforoddparity.ahighonvalidwordoutput(4) indicatesasuccessfulreceptionofawordwithoutany manchesterorparityerrors.atthistimethedecoderis bipolarzeroout data HI-15530 holtintegratedcircuits 4 decoderoperation 0 1 2 3 4 5 6 7 16 17 18 19 15 14 13 12 11 2 1 0 p 2 1 0 p 15 14 13 12 11 sync sync sync 15 14 13 12 3 2 1 0 sync (1) (2) (3) (4) maybehighfrompreviousreception validword decoder shiftclk timing takedata serial dataout bipolar onein biploar zeroin 8 command/ sync data 10 10 4 undefined takedata unipolar datain bipolar onein bipolar zeroin master reset decoder clk decoder reset command/ sync data serialdata out valid word decoder shiftclk transition finder character identifier synchronizer bit counter bit rate clk parity check lookingforanewsynccharactertostartanotheroutput sequence.validwordwillgolowapproximately20 decodershiftclockperiodsafteritgoeshighifnot resetlowsoonerbyavalidsyncandtwovalidmanchester bitsasshown(1).atanytimeintheabovesequence,a highinputondecoderresetduringalow-to-high transitionofdecodershiftclockwillabort transmissionandinitializethedecodertostartlookingfora newsynccharacter.
HI-15530 holtintegratedcircuits 5 encoder shiftclk serialdatain sendclk sendclk encoderenable senddata sendclk encoder shiftclk syncselect encoder shiftclk bipolaroneout bipolarzeroout or valid t e1 t e2 t e1 t e4 t e5 t e6 t e7 t e8 t e9 valid command/sync data serialdataout t d6 t d7 takedata t d8 decodershiftclk decodershiftclk databit command/sync data t d9 t d10 takedata decodershiftclk t d11 validword t drh t drs decodershiftclk t dr decoderreset t e3 valid
HI-15530 holtintegratedcircuits 6 bipolarzeroin t d2 bipolaronein bitperiod bitperiod bitperiod t d1 t d1 t d3 t d3 bipolarzeroin t d2 bipolaronein t d1 t d1 t d3 t d3 t d2 bipolarzeroin bipolaronein t d1 t d3 t d3 t d1 t d4 t d3 t d1 t d3 t d5 t d5 t d4 t d1 t d3 unipolarin unipolarin unipolarin t d2 t d4 t d4 t d2 t d2 t d2 t d5 t d4 t d5 t d2 commandsync datasync zero one one zero one one commandsync datasync 0 1 2 3 4 5 6 7 8 9 10 12 11 13 14 15 16 17 18 19 bitperiod commandword dataword statusword r/t subaddress /mode dataword count p p p dataword terminaladdress me codeforfailuremodes terminaladdress sync sync sync sync sync sync tf
HI-15530 holtintegratedcircuits 7 limits parameterconditionsunit symbol inputvoltageinputvoltagehiv70%vv inputvoltagelovil30%vv clockinputvoltageinputvoltagehivv-0.5v inputvoltagelov0.5vv inputleakagecurrentinputsinki1.0 inputsourcei-1.0 mintypmax ihdd dd ihcdd ilc ih il a a outputvoltagelogic?1?outputvoltagevi=-3ma2.4v logic?0?outputvoltagevi=1.8ma0.4v standbysupplycurrentiv=v,outputsopen2.0ma operatingsupplycurrentif=1mhz,outputsopen10.0ma inputcapacitancec7.0pf outputcapacitancec10.0pf ohoh olol ddsbindd dd in out v=5v10%,gnd=0v,ta=operatingtemperaturerange(unlessotherwisespecified). dd powerdissipationat25c plasticsoic1.5w,derate10mw/c ceramicdip1.0w,derate7mw/ dccurrentdrainperpin10ma c storagetemperaturerange:-65cto+150c supplyvoltagev-0.3vto+7v v dd oltageatanypin-0.3vtovcc+0.3v operatingtemperaturerange: (industrial)-40cto+85c (military)-55cto+125c note:stressesabovethoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.thesea restressratings only.functionaloperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalse ctionsofthespecificationsisnot implied.exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.
holtintegratedcircuits 8 HI-15530 limits parametersymbolunits mintypmax encodertiming decodertiming encoderclockfrequencyfec015mhz sendclockfrequencyfesc02.5mhz encoderclockrisetimetecr8ns encoderclockfalltimetecf8ns encoderdataratefed01.25mhz masterresetpulsewidthtmr150ns shiftclockdelayte1125ns serialdatasetuptimete275ns serialdataholdtimete375ns enablesetuptimete490ns enablepulsewidthte580ns syncsetuptimete655ns syncpulsewidthte7150ns senddatadelayte8050ns bipolaroutputdelayte9130ns enableholdtimete1010ns syncholdtimete1195ns decoderclockfrequencyfdc015mhz decoderclockrisetimetdcr8ns decoderclockfalltimetdcf8 ns decoderdataratefdd01.25mhz decoderresetpulsewidthtdr150ns decoderresetsetuptimetdrs75ns decoderresetholdtime masterresetpulsewidthtmr150ns bipolardatapulsewidthtd1tdc+10ns synctransitionspantd218tdcns one-zerooverlaptd3tdc-10ns shortdatatransitionspantd46tdcns longdatatransitionspantd512tdcns syncdelay(on)td6-20110ns takedatadelay(on)td70110ns serialdataoutdelaytd880ns syncdelay(off)td90110ns takedatadelay(off)td100110ns validworddelaytd110110ns tdrh10ns vdd=5v,gnd=0v,ta=operatingtemperaturerange,cl=50pf 10%
holtintegratedcircuits 9 HI-15530 part number package description temperature range flow burn in lead finish HI-15530cdi 24 pin ceramic side brazed dip -40c to +85c i no gold HI-15530cdt 24 pin ceramic side brazed dip -55c to +125c t no gold HI-15530cdm 24 pin ceramic side brazed dip -55c to +125c m yes solder HI-15530psi 24 pin plastic soic -40c to +85c i no solder HI-15530pst 24 pin plastic soic -55c to +125c t no solder HI-15530cli 24 pin ceramic leadless chip carrier -40c to +85c i no gold HI-15530clt 24 pin ceramic leadless chip carrier -55c to +125c t no gold HI-15530clm 24 pin ceramic leadless chip carrier -55c to +125c m yes solder validword1 encodershiftclk2 takedata3 serialdataout4 decoderclk5 bipolarzeroin6 bipolaronein7 unipolardatain8 decodershiftclk9 command/sync10 decoderreset11 gnd12 data 24vdd 23encoderclk 22sendclkin 21senddata 20syncselect 19encoderenable 18serialdatain 17 16 15 146out 13masterreset bipolaroneout outputinhibit bipolarzeroout ? 28-pinceramiclcc 24-pinceramicside-brazeddip 4321282726 12131415161718 5 6 7 8 9 10 11 25 24 23 22 21 20 19 senddata n/c n/c syncselect encoderenable serialdatain bipolaroneout decoderclk n/c n/c bipolarzeroin bipolaronein unipolardatain decodershiftclock HI-15530cli HI-15530clt HI-15530clm HI-15530cdi HI-15530cdt HI-15530cdm
packagetype: 1.220max (30.988max) .225max (5.715max) .100bsc (2.540bsc) .018typ (.457typ) .050typ (1.270typ) .085 .009 (2.159 .229) .125min (3.175min) .610 .010 (15.494 .254) .600 .010 (15.240 .254) .595 .010 (15.113 .254) .010 + .002 /- .001 (.254 + .051 /- .025) 24-pinceramicside-brazeddip 24c holtintegratedcircuits 10 HI-15530 .307.016 (7.80.40) .209.012 (5.30.30) 0to8 .005.001 (.13.08) typ typ seedetaila packagetype: .323.012 (8.20.30) .026 (.65) .030.008 (.75.20) .095.005 (2.413.127) typ .012 (.30) typ seedetaila detaila packagetype: 24-pinplasticssop 24hs .006 (.15) typ
holtintegratedcircuits 11 HI-15530 packagetype: .451 .009 (11.455 .229) sq. .080 .020 (2.032 .508) .040x453pls (1.016x453pls) .050 .005 (1.270 .127) .025 .003 (.635 .076) .050bsc (1.270bsc) .008r.006 (.203r .152) .020index (.508index) pin1 28s 28-pinceramicleadlesschipcarrier pin1

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