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| features ? rohsfcompliant ? lowfcostfperfgb/s ? highfpackagefdensityfperfgb/s ? 3.3fvoltfpowerfsupplyfforflowfpowerfconsumption ? 850fnmfvcselfarrayfsource ? 12findependentfchannelsfperfmodule ? separateftransmitterfandfreceiverfmodules ? 2.7fgbdfdatafratefperfchannel ? standardfmtp?f(mpo)fribbonffberfconnectorfinter - face ? pluggablefpackage ? 50/125fmicronfmultimodeffberfoperation: f distancefupftof300fmfwithf500fmhz.kmffberfatf2.5fgbd f distancefupftof600fmfwithf2000fmhz.kmffberfatf2.5fgbd ? datafi/ofisfcmlfcompatible ? controlfi/ofisflvttlffcompatible ? manufacturedfinfanfisof9002fcertifedffacility ordering information thefhfbr-772bwzfandfhfbr-782bzfproductsfarefavailablef forfproductionfordersfthroughfthefavagofcomponentffieldf salesfofce. hfbr-772bwzf f nofemifnosefshield hfbr-782bzf nofemifnosefshield hfbr-772bewzf f withfextendedfemifnosefshield hfbr-782bezff withfextendedfemifnosefshield HFBR-772BHWZff nofheatsink,fnofemifnosefshield hfbr-782bhzff nofheatsink,fnoffnosefshield hfbr-772bepwzf withfextendedfemifnosefshield,f withffushfpin-fnfheatsink hfbr-782bepzff f withfextendedfemifnosefshield,f withffushfpin-fnfheatsink description thefhfbr-772bwzftransmitterfandfhfbr-782bzfreceiverf arefhighfperformanceffberfopticfmodulesfforfparallelfop - ticalfdatafcommunicationfapplications.fthesef12-channelf devices,foperatingfupftof2.7fgbdfperfchannel,fprovidefaf costfefectivefsolutionfforfshort-reachfapplicationsfrequir - ingfupftof32fgb/sfaggregatefbandwidth.fthesefmodulesf arefdesignedftofoperatefonfmultimodeffberfsystemsfatf afnominalfwavelengthfoff850fnm.ftheyfincorporatefhighf performance,fhighlyfreliable,fshortfwavelengthfopticalf devicesfcoupledfwithfprovenfcircuitftechnologyftofpro - videflongflifefandfconsistentfservice. thefhfbr-772bwzftransmitterfmodulefincorporatesfaf 12-fchannelfvcself(verticalfcavityfsurfacefemittingfla - ser)farrayftogetherfwithfafcustomf12-channelflaserfdriverf integratedfcircuitfprovidingfiec-60825fandfcdrhfclassf 1mflaserfeyefsafety. thefhfbr-782bzfreceiverfmodulefcontainsfaf12-channelf pinfphotodiodefarrayfcoupledfwithfafcustomfpreampliferf /fpostfampliferfintegratedfcircuit.f operatingffromfafsinglef+3.3fvfpowerfsupply,fbothfmod - ulesfprovideflvttlforflvcmosfcontrolfinterfacesfandf currentfmodeflogicf(cml)fcompatiblefdatafinterfacesftof simplifyfexternalfcircuitry. theftransmitterfandfreceiverfdevicesfarefhousedfinfmtp?/ mpofreceptacledfpackages.felectricalfconnectionsftofthef devicesfarefachievedfbyfmeansfoffafpluggablef10fxf10f connectorfarray. applications ? datacomfswitchfandfrouterfbackplanefconnections ? telecomfswitchfandfrouterfbackplanefconnections ? infnibandfconnections hfbr-772bwz/bewz/bhwz/bepwz and hfbr-782bz/bez/bhz/bepz pluggable parallel fiber optic modules, transmitter and receiver data sheet patentf-f www.avagotech.com/patents f
2 design summary: design for low-cost, high-volume manufacturing avagosfparallelfopticsfsolutionfcombinesftwelvef2.7fgbdf channelsfintofdiscreteftransmitterfandfreceiverfmodulesf providingfafmaximumfaggregatefdatafratefoff32fgb/s.f moreover,fthesefmodulesfemployfafheatfsinkfforfthermalf managementfwhenfusedfonfhigh-densityfcards,fhavefex - cellentfemifperformance,fandfinterfacefwithfthefindustryf standardfmtp?/mpofconnectorfsystems.ftheyfprovidefthef mostfcost-efectivefhigh-fdensityf(gbdfperfinch)fsolutionsf forfhigh-datafcapacityfapplications.fseeffiguref1fforfthef transmitterfandffiguref2fforfthefreceiverfblockfdiagrams. thefhfbr-772bwzftransmitterfandfthefhfbr-782bzfre - ceiverfmodulesfprovidefveryfcloselyfspaced,fhigh-speedf parallelfdatafchannels.fwithinfthesefmodulesftherefwillfbef someflevelfoffcrossftalkfbetweenfchannels.fthefcrossftalkf withinfthefmodulesfwillfbefexhibitedfasfadditionalfdataf jitterforfsensitivityfreductionfcomparedftofsingle-channelf performance.favagoftechnologiesfjitterfandfsensitivityf specifcationsfincludefcrossftalkfpenaltiesfandfthusfrep - resentfreal,fachievablefmodulefperformance. functional description, transmitter section theftransmitterfsection,ffiguref1,fusesfaf12-channelf850f nmfvcselfarrayfasfthefopticalfsourcefandfafdifractivefop - ticalflensfarrayftoflaunchfthefbeamfofflightfintoftheffber.f thefpackagefandfconnectorfsystemfarefdesignedftofallowf repeatablefcouplingfintofstandardf12-fberfribbonfcable.f infaddition,fthisfmodulefhasfbeenfdesignedftofbefcompli - antfwithfiecf60825fclassf1feyefsafetyfrequirements. thefopticalfoutputfisfcontrolledfbyfafcustomfic,fwhichf providesfproperflaserfdrivefparametersfandfmonitorsf drivefcurrentftofensurefeyefsafety.fanfeepromfandfstatef machinefarefprogrammedftofprovidefbothfacfandfdcfcur - rentfdriveftoftheflaserftofensurefcorrectfmodulation,feyef diagramfandfextinctionfratiofoverfvariationsfofftempera - turefandfpowerfsupplyfvoltages. functional description, receiver section thefreceiverfsection,ffiguref2,fcontainsfaf12-channelf algaas/fgaasfphotodetectorfarray,ftransimpedancef preamplifer,fflter,fgainfstagesftofamplifyfandfbuferfthef signal,fandfafquantizerftofshapefthefsignal. thefsignalfdetectffunctionfisfdesignedftofsensefthef properfopticalfoutputfsignalfonfeachfoffthef12fchannels.f ifflossfoffsignalfisfdetectedfonfanfindividualfchannel,fthatf channelfoutputfisfsquelched. packaging theffexiblefelectronicfsubassemblyfwasfdesignedftof allowfhigh-volumefassemblyfandftestfoffthefvcsel,fpinf photofdiodefandfsupportingfelectronicsfpriorftoffnalf assembly. regulatory compliance thefoverallfequipmentfdesignfintofwhichfthefparallelf opticsfmodulefisfmountedfwillfdeterminefthefcertifca - tionflevel.fthefmodulefperformancefisfoferedfasfaffguref offmeritftofassistfthefdesignerfinfconsideringftheirfusefinf thefequipmentfdesign. organization recognition seefthefregulatoryfcomplianceftablefforfaflistingfoffthef standards,fstandardsfassociationsfandftestingflaboratoriesf applicableftofthisfproduct. electrostatic discharge (esd) therefareftwofdesignfcasesfinfwhichfimmunityftofesdf damagefisfimportant. theffrstfcasefisfduringfhandlingfoffthefmodulefpriorftof mountingfitfonfthefcircuitfboard.fitfisfimportantftofusef normalfesdfhandlingfprecautionsfforfesdfsensitivefde - vices.fthesefprecautionsfincludefusingfgroundedfwristf straps,fworkfbenches,fandffoorfmatsfinfesdfcontrolledf areas. thefsecondfcaseftofconsiderfisfstaticfdischargesftofthef exteriorfoffthefequipmentfchassisfcontainingfthefmod - ulefparts.ftofthefextentfthatfthefmtp?f(mpo)fconnectorf receptaclefisfexposedftofthefoutsidefoffthefequipmentf chassisfitfmayfbefsubjectftofsystemflevelfesdftestfcriteriaf thatfthefequipmentfisfintendedftofmeet. seefthefregulatoryfcomplianceftablefforffurtherfdetails. 3 figure 1. transmitter block diagram. * tx_en, tx_dis, reset-, fault- figure 2. receiver block diagram (each channel). signal detect circuit trans-impedance pre-amplifier limiting amplifier output buffer offset control pin dout + dout- sd d/a converter input stage level shifter driver amplifier comparator temperature detection circuit d/a converter controller 12 vcsel array din+ din- serial control i/o* 4 shut down 12 12 4 electromagnetic interference (emi) manyfequipmentfdesignsfusingfthesefhigh-data-ratef modulesfwillfbefrequiredftofmeetfthefrequirementsfoff theffccfinfthefunitedfstates,fcenelecfinfeuropefandf vccifinfjapan.fthesefmodules,fwithftheirfshieldedfdesign,f performftoftheflevelsfdetailedfinfthefregulatoryfcompli - anceftable.fthefperformancefdetailedfinfthefregulatoryf complianceftablefisfintendedftofassistfthefequipmentfde - signerfinfthefmanagementfoffthefoverallfequipmentfemif performance.fhowever,fsystemfmarginsfarefdependentf onfthefcustomerfboardfandfchassisfdesign. immunity equipmentfusingfthesefmodulesfwillfbefsubjectftofradiof frequencyfelectromagneticffieldsfinfsomefenviron - ments.fthesefmodulesfhavefgoodfimmunityfdueftoftheirf shieldedfdesigns.fseefthefregulatoryfcomplianceftablef forffurtherfdetail. eye safety thesef850fnmfvcsel-basedfmodulesfprovidefeyefsafetyf byfdesign.fthefhfbr-772bwzfhasfbeenfregisteredfwithf cdrhfandfcertifedfbyftuvfasfafclassf1mfdevicefunderf amendmentf2foffiecf60825-1.fseefthefregulatoryfcom - plianceftablefforffurtherfdetail.fiffclassf1mfexposurefisf possible,fafsafety-warningflabelfshouldfbefplacedfonfthef productfstatingftheffollowing: laserfradiation f dofnotfviewfdirectlyfwith f opticalfinstruments f classf1mflaserfproduct connector cleaning thefopticalfconnectorfusedfisfthefmtp?f(mpo).fthefopti - calfportsfhavefrecessedfopticsfthatfarefvisiblefthroughf thefnosefoffthefports.fthefprovidedfportfplugfshouldf befinstalledfanyftimefaffberfcablefisfnotfconnected.fthef portfplugfensuresfthefopticsfremainfcleanfandfnofclean - ingfshouldfbefnecessary.finfthefeventfthefopticsfbecomef contaminated,fforcedfnitrogenforfcleanfdryfairfatflessf thanf20fpsifisfthefrecommendedfcleaningfagent.fthef opticalfportffeatures,fincludingfguidefpins,fprecludefusef offanyfsolidfinstrument.fliquidsfarefnotfadvisedfdueftof potentialfdamage. process plug eachfparallelfopticsfmodulefisfsuppliedfwithfanfinsertedf processfplugfforfprotectionfoffthefopticalfportsfwithinfthef mtp?f(mpo)fconnectorfreceptacle. handling precautions thefhfbr-772bwzfandfhfbr-782bzfcanfbefdamagedfbyf currentfsurgesfandfovervoltagefconditions.fpowerfsupplyf transientfprecautionsfshouldfbeftaken.ffapplicationfoff wavefsoldering,frefowfsolderingfand/orfaqueousfwashf processesfwithfthefparallelfopticfdevicefonfboardfisfnotf recommendedfasfdamagefmayfoccur. normalfhandlingfprecautionsfforfelectrostaticfsensitivef devicesfshouldfbeftakenf(seefesdfsection). thefhfbr-772bwzfisfafclassf1mflaserfproduct.f f dofnotfviewfradiationfdirectlyfwithfopticalfin - struments. 5 absolute maximum ratings [1,2] parameter symbol min. max. unit reference storageftemperature (non-operating) t s C40 100 c 1 caseftemperaturef(operating) t c 90 c 1,f2,f4 supplyfvoltage v cc C0.5 4.6 v 1,f2 data/controlfsignalfinputfvoltage v i C0.5 v cc f+f0.5 v 1 transmitterfdiferentialfdatafinputf voltage |v d | 2 v 1,f3 outputfcurrentf(dc) i d 25 ma 1 relativefhumidityf(non-condensing) rh 5 95 % 1 notes: 1.ff absolutefmaximumfratingsfarefthosefvaluesfbeyondfwhichfdamageftofthefdevicefmayfoccur.fseefreliabilityfdatafsheetfforfspecifcfreliabilityf performance. 2.ff betweenfabsolutefmaximumfratingsfandfthefrecommendedfoperatingfconditionsffunctionalfperformancefisfnotfintended,fdevicefreliabilityf isfnotfimplied,fandfdamageftofthefdevicefmayfoccurfoverfanfextendedfperiodfofftime. 3.ff thisfisfthefmaximumfvoltagefthatfcanfbefappliedfacrossftheftransmitterfdiferentialfdatafinputsfwithoutfdamagingfthefinputfcircuit. 4.ff caseftemperaturefisfmeasuredfasfindicatedfinffiguref3. recommended operating conditions [1] parameter symbol min. typ. max. unit reference caseftemperature t c 0 40 80 c 2,ffigs.f3 supplyfvoltage v cc 3.135 3.3 3.465 v figs.f5,f6,f 12 signalingfratefperfchannel 1 2.7 gbd 3 datafinputfdiferential peak-to-peakfvoltagefswing dv dinp-p 175 1400 mv p-p 4,ffigs.f7,f8 controlfinputfvoltagefhigh v ih 2.0 v cc v controlfinputfvoltageflow v il v ee 0.8 v powerfsupplyfnoise forftransmitterfandfreceiver n p 200 mv p-p 5,ffigs.f5,f6 transmitter/receiverfdata i/ofcouplingfcapacitors c ac 0.1 mf fig.f7 receiverfdiferentialfdata outputfload r dl 100 w fig.f7 notes: 1.ff recommendedfoperatingfconditionsfarefthosefvaluesfoutsidefoffwhichffunctionalfperformancefisfnotfintended,fdevicefreliabilityfisfnotfim - plied,fandfdamageftofthefdevicefmayfoccurfoverfanfextendedfperiodfofftime.fseefreliabilityfdatafsheetfforfspecifcfreliabilityfperformance. 2.ff caseftemperaturefisfmeasuredfasfindicatedfinffiguref3. 3.ff thefreceiverfhasfaflowerfcutfofffrequencyfnearf100fkhz. 4.ff datafinputsfarefcmlfcompatible.fcouplingfcapacitorsfarefrequiredftofblockfdc.f?v dinp-p f=f?vdinhfCf?vdinl,fwheref?vdinhf=fhighfstatefdif - ferentialfdatafinputfvoltagefandf?v dinl f=flowfstatefdiferentialfdatafinputfvoltage. 5.ff powerfsupplyfnoisefisfdefnedfforfthefsupply,fvcc,foverftheffrequencyfrangeffromf500fhzftof2500fmhz,fwithfthefrecommendedfpowerfsupplyf flterfinfplace,fatfthefsupplyfsidefoffthefrecommendedfflter.fseeffiguresf5fandf6fforfrecommendedfpowerfsupplyfflters. 6 electrical characteristics transmitter electrical characteristics (t c = 0 c to +80 c, v cc = 3.3 v 5%, typical t c = +40 c, v cc = 3.3 v) parameter symbol min. typ. max. unit reference (conditions) supplyfcurrent i cct 320 415 ma fig.f6 powerfdissipation p dist 1.1 1.45 w diferentialfinputfimpedance z in 80 100 120 w 1,ffig.f7,f11 faultfassertftime t off 200 250 ms fig.f13 resetfassertftime t off 5 7.5 ms fig.f14 resetfde-assertftime t on 55 100 ms fig.f14 transmitfenablef(tx_en)fassertftime t on 55 100 ms fig.f15 transmitfenablef(tx_en)fde-assertftime t off 5 7.5 ms 2,ffig.f15 transmitfdisablef(tx_dis)fassertftime t off 5 7.5 ms fig.f15 transmitfdisablef(tx_dis)fde-assertftime t on 55 100 ms fig.f15 powerfonfinitiationftime t int 60 100 ms fig.f12 control i/os (tx_en,ftx_disff fault,freset)fffff compatibleffffffffff | inputfcurrentfhighf| |i ih | 0.5 ma (2.0fvf < fvihf < fv cc ) |finputfcurrentflofw| |i il | 0.5 ma (v ee f < fv il f < f0.8fv) outputfvoltageflow v ol v ee 0.4 v (i ol f=f4.0fma) outputfvoltagefhigh v oh 2.5 3.3 v cc v (i oh f=fC0.5fma) notes: 1.ff diferentialfimpedancefisfmeasuredfbetweenfdin+andfdinCfoverfthefrangef4fmhzftof2fghz. 2.ff whenfthefcontrolfsignalftransmitterfenable,ftx_en,fisfusedftofdisableftheftransmitter,ftx_enfmustfbeftakenftofaflogicflow-stateflevelf(vil)fforf onefmillisecondforflonger.fsimilarly,fiffthefcontrolfsignalftransmitterfdisable,ftx_dis,fisfused,fthenftx_disfmustfbeftakenftofaflogicfhigh-fstatef levelf(vih)fforfonefmillisecondforflonger. 7 receiver electrical characteristics (t c = 0 c to +80 c, v cc = 3.3 v 5%, typical t c = +40 c, v cc = 3.3 v) parameter symbol min. typ. max. unit reference (conditions) supplyfcurrent i ccr 400 445 ma 1,ffig.f5 powerfdissipation p disr 1.3 1.55 w diferentialfoutputfimpedance z out 80 100 120 w 2,ffig.f8,f10 datafoutputfdiferential peak-to-peakfvoltagefswing dv doutp-p 450 600 750 mv p-p 3,ffigs.f7,f8 inter-channelfskew 100 150 ps 4 diferentialfdatafoutputfrise/fallftime t r /t f 110 150 ps 5 signalfdetect fffassertftimef(off-to-on) fffde-assertftimef(on-to-off) t sda t sdd 170 190 s s 6 7 controlfi/o fffoutputfvoltageflowlvttlf&flvcmos fffoutputfvoltagefhighcompatible v ol v oh v ee 2.5 3.1 0.4 v cc v v (i ol f=f4.0fma) (i oh f=f-0.5fma) notes: 1.ff i cc rfisfthefdcfsupplyfcurrent,fdependentfuponfthefnumberfoffactivefchannels,fwherefthefdatafoutputsfarefacfcoupledfwithfcapacitorsfbe - tweenfthefoutputsfandfanyfresistivefterminations.fseeffiguref7fforfrecommendedftermination. 2.ff measuredfoverfthefrangef4fmhzftof2fghz. 3.ff dv doutp-p f=fdv douth fCfdv doutl ,fwherefdv douth f=fhighfstatefdiferentialfdatafoutputfvoltagefandfdv doutlf =flowfstatefdiferentialfdataf outputfvoltage.fdv douth fandfdv doutl f=fv dout+ fCfv doutC ,fmeasuredfwithfaf100fwfdiferentialfloadfconnectedfwithfthefrecommendedfcou - plingfcapacitorsfandfwithfaf2500fmbd,f8b10bfserialfencodedfdatafpattern. 4.ff inter-channelfskewfisfdefnedfforfthefconditionfoffequalfamplitude,fzerofpsfskewfinputfsignals.finputfpowerfatfC10fdbm. 5.ff risefandffallftimesfarefmeasuredfbetweenfthef20%fandf80%flevelsfusingfaf500fmhzfsquarefwavefsignal. 6.ff thefsignalfdetectfoutputfwillfchangeffromflogicf0f(low)ftof1f(high)fwithinfthefspecifedfassertftimefforfafstepftransitionfinfopticalfinputf powerffromfthefde-assertedfconditionftofthefspecifedfassertedfopticalfpowerflevelfonfallf12fchannels. 7.ff thefsignalfdetectfoutputfwillfchangeffromflogicf1f(high)ftof0f(low)fwithinfthefspecifedfde-assertftimefforfafstepftransitionfinfopticalfinputf powerffromfthefspecifedfassertedfopticalfpowerflevelftofthefde-assertedfconditionfonfanyf1fchannel. 8 optical characteristics transmitter optical characteristics (t c = 0 c to +80 c, v cc = 3.3 v 5%, typical t c = +40 c, v cc = 3.3 v) parameter symbol min. typ. max. unit reference outputfopticalfpower p out C8 C4 C2 dbmfavg. 1 outputfopticalfpowerfCfoffstate p outfdis C30 dbmfavg. extinctionfratio outputfpowerf-2ftof-8fdbm er 6 7 db 2 centerfwavelength l c 830 850 860 nm spectralfwidthfCfrms s 0.4 0.85 nmfrms rise/fallftime t r /t f 50 100 ps 3 inter-channelfskew 110 200 ps 4 relativefintensityfnoise rin C124 db/hz jitterfcontribution ffdeterministic fftotal dj tj 20 60 60 120 ps p-p ps p-p 5 6 notes: 1.ff thefspecifedfopticalfoutputfpower,fmeasuredfatfthefoutputfoffafshortftestfcable,fwillfbefcompliantfwithfiecf60825-1famendmentf2,fclassf 1faccessiblefemissionflimits,fael,fandfthefoutputfpowerfoffthefmodulefwithoutfanfattachedfcablefwillfbefcompliantfwithfthefiecf60825-1f amendmentf2,fclassf1mfael.fseefdiscussionfinfthefregulatoryfcompliancefsection. 2.ff extinctionfratiofisfdefnedfasfthefratiofoffthefaveragefoutputfopticalfpowerfofftheftransmitterfinfthefhighf(1)fstateftoftheflowf(0)fstatefandf isfexpressedfinfdecibelsf(db)fbyfthefrelationshipf10log(phighfavg/plowfavg).ftheftransmitterfisfdrivenfwithfaf550fmbaud,f27-1fprbsfserialfen - codedfpattern. 3.ff thesefarefflteredfrise/fallftimefmeasurementsfasfdefnedfinfieeefgbfethernetfspecifcationfusingfaf2.488gbdf(1.875fghzfbandwidth)f4thfbes - selfthompsonfflter.ffafmaxfspecfoff100psfforfunflteredfwaveformfisfequivalentftofafmaxfspecf215psfforfflteredfwaveform. 4.ff inter-channelfskewfisfdefnedfforfthefconditionfoffequalfamplitude,fzerofpsfskewfinputfsignals. 5.ff deterministicfjitterf(dj)fisfdefnedfasfthefcombinationfoffdutyfcyclefdistortionf(pulse-widthfdistortion)fandfdatafdependentfjitter.fdetermin - isticfjitterfisfmeasuredfatfthef50%fsignalfthresholdflevelfusingfaf2.5fgbdfpseudofrandomfbitfsequencefofflengthf2 23 fCf1f(prbs),forfequivalent,f testfpatternfwithfzerofskewfbetweenfthefdiferentialfdatafinputfsignals. 6.fff totalfjitterf(tj)fincludesfdeterministicfjitterfandfrandomfjitterf(rj).ftotalfjitterfisfspecifedfatfafberfoff10 -12 fforfthefsamef2.5fgbdftestfpatternf asfforfdj. 9 receiver optical characteristics (t c = 0 c to +80 c, v cc = 3.3 v 5%, typical t c = +40 c, v cc = 3.3 v) parameter symbol min. typ. max. unit reference inputfopticalfpowerfsensitivity p infmin C18.5 -16 dbmfavg. 1 inputfopticalfpowerfsaturation p infmax C2 C1 dbmfavg. 2 operatingfcenterfwavelength l c 830 860 nm stressedfreceiverfsensitivity C15.5 -11.3 dbm 3 stressedfreceiverfeyefopening 120 190 ps 4 returnfloss 12 19 db 5 signalfdetect ffasserted ffde-asserted ffhysteresis p a p d p a -p d -31 0.5 -19 -21 2 -17 dbmfavg. dbmfavg. db 6 notes: 1.ff sensitivityfisfdefnedfasfthefaveragefinputfpowerfwithfthefworstfcase,fminimum,fextinctionfratiofnecessaryftofproducefafberfoff10 -12 fatfthef centerfoffthefbaudfintervalfusingfaf2.5fgbdfpseudofrandomfbitfsequencefofflengthf2 23 fCf1f(prbs),forfequivalent,ftestfpattern.fforfthisfparam - eter,finputfpowerfisfequivalentftofthatfprovidedfbyfanfidealfsource,fi.e.,fafsourcefwithfrinfandfswitchingfattributesfthatfdofnotfdegradefthef sensitivityfmeasurement.fallfchannelsfnotfunderftestfarefoperatingfreceivingfdatafwithfanfaveragefinputfpowerfupftof6fdbfabovefpinfmin. 2.ff saturationfisfdefnedfasfthefaveragefinputfpowerfthatfproducesfatfthefcenterfoffthefoutputfswingfafreceiverfoutputfeyefwidthflessfthanf120fpsf wherefberf 11 table 1. transmitter module pad description symbol functional description v ee transmitterfsignalfcommon.ffallfvoltagesfarefreferencedftofthisfpotentialfunlessfotherwisef indicated.ffdirectlyfconnectfthesefpadsftoftransmitterfsignalfgroundfplane. v cc t transmitterfpowerfsupply.ffusefrecommendedfpowerfsupplyfflterfcircuitfinffiguref6. din0+fthroughfdin11+ transmitterfdatafin+fforfchannelsf0fthroughf11,frespectively.ffdiferentialfterminationfandf selffbiasfarefincluded,fseeffiguref11. din0Cfthroughfdin11C transmitterfdatafin-fforfchannelsf0fthroughf11,frespectively.ffdiferentialfterminationfandfselff biasfarefincluded;fseeffiguref11. tx_en txfenable.ffactivefhigh.ffinternalfpull-upfhighf=fvcselfarrayfisfenabledfifftx_disfisfinactivef (low).lowf=fvcselfarrayfisfof.fftx_enfmustfbeftakenftofaflogicflowfstateflevelf(v ol )fforf1fmsf orflonger. tx_dis txfdisable.ffactivefhigh.ffinternalfpull-downflowf=fvcselfarrayfisfenabledfifftx_enfisfactivef (high).highf=fvcselfarrayfisfof.fftx_disfmustfbeftakenftofaflogicfhighfstateflevelf(v oh )fforf1f msforflonger. reset- transmitterfreset-finput.ffactiveflow.ffinternalfpull-up.fflowf=fresetsflogicffunctionfclearsf fault-fsignal,fvcselfarrayfisfof.ffhighf=fnormalfoperation.ffseeffiguref14. fault- transmitterffault-foutput.ffactiveflow.fflowf(logicf0)fresultsffromfafvcselfover-currentfcon - dition,foutfofftemperaturefrange,forfeepromfcalibrationfdatafcorruptionfconditionfdetectedf forfanyfvcsel.ffanfassertedf(logicf0)ffault-fdisablesfthefvcselfarrayfandfisfclearedfbyf reset-forfpowerfcyclingfv cc tffault-fisfafsinglefendedflvttlfcompatiblefoutput. dnc dofnotfconnectftofanyfelectricalfpotential. table 2. receiver module pad description symbol functional description v ee receiverfsignalfcommon.ffallfvoltagesfarefreferencedftofthisfpotentialfunlessfotherwisef indicated.directlyfconnectfthesefpadsftofreceiverfsignalfgroundfplane. v cc r receiverfpowerfsupply.ffusefrecommendedfpowerfsupplyfflterfcircuitfinffiguref5. v pp notfrequiredfforfavagofproduct.ffpadsfnotfinternallyfconnected.(voltagefforfmsafcompatibil - ityfinforderftofac-couplefreceiverfdatafoutputs). dout0+fthroughfdout11+ receiverfdatafout+fforfchannelsf0fthroughf11,frespectively.ffterminatefthesefhigh-speedf diferentialfcmlfoutputsfwithfstandardfcmlftechniquesfatfthefinputsfoffthefreceivingfdevice.ff individualfdatafoutputsfwillfbefsquelchedfforfinsufcientfinputfsignalflevel. dout0Cfthroughfdout11C receiverfdatafout-fforfchannelf0fthroughf11,frespectively.ffterminatefthesefhigh-speedfdif - ferentialfcmlfoutputsfwithfstandardfcmlftechniquesfatfthefinputsfoffthefreceivingfdevice.ff individualfdatafoutputsfwillfbefsquelchedfforfinsufcientfinputfsignalflevel. sd signalfdetect.ffnormalfopticalfinputflevelsftofallfchannelsfresultsfinfaflogicf1foutput,fv oh ,f asserted.fflowfinputfopticalflevelsftofanyfchannelfresultsfinfaffaultfconditionfindicatedfbyfaf logicf0foutput,fv ol ,fde-asserted.ffsdfisfafsingle-endedflvttlfcompatiblefoutput. rx_en receiverfoutputfenable.ffactivefhighf(logicf1),finternalfpull-up.fflowf(logicf0)f=freceiverf outputsfdisabled,fallfoutputsfarefhighf(logicf1). sq_en squelchfenablefinput.ffactivefhighf(logicf1),finternalfpull-up.fflowf(logicf0)f=fsquelchfdis - abled.ffwhenfsq_enfisfhighfandfsdfisflow,fcorrespondingfoutputsfarefsquelched. en_sd enablefsignalfdetect.ffactivefhighf(logicf1),finternalfpull-up.fflowf(logicf0)f=fsignalfdetectf outputfforcedfactivefhigh. dnc dofnotfconnectftofanyfelectricalfpotential. 12 dnc j dnc i dnc h v ee g v ee f v ee e v ee d v ee c v ee b dnc a 1 dnc dnc dnc v ee v ee din5+ v ee v ee din8+ v ee 2 dnc v cct v cct v ee din4+ din5- v ee din7+ din8- v ee 3 dnc v cct v cct din3+ din4- v ee din6+ din7- v ee dnc 4 dnc v cct v cct din3- v ee din2+ din6- v ee din9- v ee 5 dnc v cct v cct v ee din1+ din2- v ee din10- din9+ v ee 6 dnc dnc dnc din0+ din1- v ee din11- din10+ v ee dnc 7 dnc reset- fault- din0- v ee v ee din11+ v ee v ee dnc 8 dnc tx_en tx_dis v ee v ee v ee v ee v ee v ee dnc 9 dnc dnc dnc dnc dnc dnc dnc dnc dnc dnc 10 transmitter module pad assignment (toward mtp? connector) top view (pcb layout) (10 x 10 array) 13 v pp j dnc i dnc h v ee g v ee f v ee e v ee d v ee c v ee b dnc a 1 v pp dnc dnc v ee v ee dout5- v ee v ee dout8- v ee 2 dnc v ccr v ccr v ee dout4- dout5+ v ee dout7- dout8+ v ee 3 dnc v ccr v ccr dout3- dout4+ v ee dout6- dout7+ v ee dnc 4 dnc v ccr v ccr dout3+ v ee dout2- dout6+ v ee dout9+ v ee 5 dnc v ccr v ccr v ee dout1- dout2+ v ee dout10+ dout9- v ee 6 dnc dnc sd dout0- dout1+ v ee dout11+ dout10- v ee dnc 7 v pp dnc dnc dout0+ v ee v ee dout11- v ee v ee dnc 8 v pp rx_en en_sd v ee v ee v ee v ee v ee v ee dnc 9 sq_en dnc dnc dnc dnc dnc dnc dnc d nc dnc 10 receiver module pad assignment (toward mtp? connector) top view (pcb layout) (10 x 10 array) 14 figure 3. case temperature measurement point (label and heatsink removed for clarity) c ase t empera tur e measur ement p oint 0.0 5.0 10.0 15.0 20.0 25.0 0 0.5 1 1.5 2 air velocity (m/s) case to ambient thermal resistance (c/w) no heatsink heatsink figure 4. sample hfbr-772bwz(bhwz)/782bz(bhz) case to ambient thermal resistance (c/w) versus air velocity (sea level) 15 figure 5. recommended receiver power supply flter. v cc hfbr-782bz v ccr v ccr v ccr v ccr v ccr v ccr r = 100 0603 c = 10 f 1210 l = 1 h 2220 l = 6.8 nh 0805 r = 1.0 k 0603 c = 0.1 f 0603 c = 0.1 f 0603 c = 10 f 1210 v ccr v ccr note: 1. v cc is defined by 3.135 17 figure 9. package board footprint (dimensions in mm). pcb top view. note:ffthefhostfelectricalfconnectorfattachedftofthefpcbfmustfbefaf100-positionffcifmeg-arrayfplugf(fcifpn:f84512-102)forf equivalent. 2 x ? 2.54 min. pad keep-out 18.42 min. 13.72 50 keep-out area for mpo connector 5.46 30.23 1.89 ref. 8.00 9 x 1.27 tot = 11.43 8.95 ref. front sym. 9 x 1.27 tot = 11.43 18 ref. sym. end of module 2 x ? 1.7 0.05 holes 3 x ? 4.17 min. pad keep-out 3 x ? 2.69 0.05 holes for #2 screw (10 x 10 =) 100 x ? 0.58 0.05 pads pcb layout (top view) 100 pin fci meg-array? receptacle connectors rx tx ? 0.1 a b-c ? 0.1 a b-c ? 0.1 a b-c ? 0.1 a b-c b a c ? 0.05 a b-c 18 figure 10. rx data output equivalent circuit. v cc tx out 0 tx out 1 tx out 2 tx out 11 ~6.5 ms ~60 ms v cc > 2.8 v shutdown shutdown shutdown shutdown normal normal normal normal ~4.6 ms ~4.6 ms -fault ~100 ns ~toff <200 s tx out ch 0-11 no fault detected fault detected v ccr 50 50 v ee d out+ d out? d in+ 50 d in? 50 z in v bias (nominal 1.7 v) v cct v ee figure 11. tx data input equivalent circuit. figure 13. transmitter fault signal timing diagram. figure 12. typical transmitter power-up sequence. 19 tx out 0 tx out 1 tx out 2 tx out 11 ~4.2 ms (ton) ~55 ms shutdown normal ~4.6 ms ~4.6 ms > 100 ns ~5 s (toff) fault reset tx out ch 0 tx out ch 1 tx out ch 11 ~4.2 ms (ton) ~55 ms ~4.6 ms tx_en ~5 s (toff) shutdown normal tx out ch 0-11 (a) tx_dis ~5 s (toff) shutdown normal tx out ch 0-11 (b) tx_en [1] note [1]: tx_dis, which is not shown, is the functional compliment of tx_en. (c) figure 14. transmitter reset timing diagram. figure 15. transmitter tx_en and tx_dis timing diagram. 20 module outline figure 16. package outline for hfbr-772bwz and hfbr-782bz (dimensions in mm). notes: 1.ffmodulefsuppliedfwithfportfprocessfplug. 2.ffmodulefmassfapproximatelyf20fgrams. 21 figure 17. package outline for HFBR-772BHWZ/782bhz (dimensions in mm) notes: 1.ffmodulefsuppliedfwithfportfprocessfplug. 2.ffmodulefmassfapproximatelyf20fgrams. 22 figure 18. package outline for hfbr-772bewz/782bez (dimensions in mm) 23 figure 19. package outline for hfbr-772bepwz/782bepz (dimensions in mm) for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies in the united states and other countries. data subject to change. copyright ? 2005-2013 avago technologies. all rights reserved. obsoletes av01-0658en av02-1158en - january 29, 2013 figure 20. host frontplate layout (dimensions in mm) hfbr-772bxxxz and hfbr-782bxxz pluggable parallel fiber optic modules, transmitter and receiver datasheet addendum description thefhfbr-772bxxxzftransmitterfandfhfbr-782bxxzfreceiverfarefhighfperformanceffberfopticfmodulesfforfparallelf opticalfdatafcommunicationsfapplications.ffthesef12fchannelsfdevicesfarefoptimizedfforfshortfreachfopticalflinkfap - plicationsfrequiringfdataftransferfratesfoffupftof2.7fgb/sfperfchannel.ffforfapplicationsfrequiringfhigherfdatafrates,fthef hfbr-772bxxxzfandfhfbr-782bxxzfcanfbefoperatedfatf3.125fgb/sfwithfreducedflinkflengthfandfmarginallyfincreasedf linkfcontributedfjitter.ffthisfdatafsheetfaddendumfhighlightsfthefchangesftofmaximumflinkfdistancefandfcontributedf jitterfthatfcanfbefexpectedfwhenfoperatingfatf3.125fgb/s. table 1. modifed module specifcations @ 3.125 gb/s description symbol maximum average minimum units notes linkfdistancef(500fmhz.km) 220f m 300fmfmaxf@f2.5fgb/s linkfdistancef(2000fmhz.km) 400f m 600fmfmaxf@f2.5fgb/s txffcontributedfdeterministicfjitter dj 70f 30f ps 60fpsf@f2.5fgb/s txfcontributedftotalfjitter tj 130f 70f ps 120fpsf@f2.5fgb/s rxfinputfopticalfpowerfsensitivity pinfmin -14 -16.5 dbmfavg -16fdbmfmaxf@2.5fgb/s stressedfrxfeyefopening 180 110 ps 120psfminf@f2.5fgb/s for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies in the united states and other countries. data subject to change. copyright ? 2005-2013 avago technologies. all rights reserved. addendum to av02-1158en - january 29, 2013 patentf-f www.avagotech.com/patents f |
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