QFX-SFP-10GE-SR-LEG10GbsSFP+TransceiverFeatures

• DuplexLCconnector• Supporthot-pluggable• MetalwithlowerEMI• ExcellentESDprotection• VCSELTransmitterandPINReceiver• Distanceupto300mon50/125umMMF(OM3)• Single3.3VpowersupplyandLowpowerdissipation<0.8W• GR-253-COREcompliant• RoHSCompliantandLead-Free• CompliantwithIEEE802.3ae• CompliantwithSFP+MSA:SFF-8431Rev4.1• CompliantwithSFF-8472Rev.11.0• DigitaldiagnosticcompatiblewithSFF-847Rev11.0

ProductDescriptionLegrand’sQFX-SFP-10GE-SR-LEGSmallFormFactorPluggable(SFP)transceiversarecompatiblewiththeSmallFormFactorPluggableMulti-SourcingAgreement(MSA).TheSFP+transceiversarehighperformance,costeffectivemodulessupportingdualdata-rateof10Gbpsandsupportdistanceupto300mwithMMF.Legrand’sSFP+transceiversareRoHScompliantandlead-freeRegulatoryCompliance

• ESDtotheElectricalPINs:compatiblewithMIL-STD-883EMethod3015.7.• ESDtotheDuplexLCReceptacle:compatiblewithIEC61000-4-2GR-1089-CORE.• ImmunitycompatiblewithIEC61000-4-3.• EMIcompatiblewithFCCPart15ClassBEN55022ClassB(CISPR22B)VCCIClassB.• LaserEyeSafetycompatiblewithFDA21CFR1040.10and1040.11EN60950,EN(IEC)60825-1,2.• RoHScompliantwith2002/95/EC4.1&4.22005/747/EC.

Applications• 10GBASE-SR/SW• 10GFibreChannel• Otheropticallink

QFX-SFP-10GE-SR-LEGJUNIPERNETWORKS10GBASE-SRSFP+MMF850NM300MREACHLCDOM

PinDescriptions

Pin Symbol Name/Descriptions Ref.

1 VeeT TransmitterGround(CommonwithReceiverGround). 1

2 TXFault TransmitterFault.LVTTL-O 2

3 TXDisable TransmitterDisable.Laseroutputdisabledonhighoropen.LVTT-I. 3

4 SDA 2-WireSerialInterfaceDataLine(SameasMOD-DEF2inINF-8074i).LVTTL-I/O.

5 SCL 2-WireSerialInterfaceDataLine(SameasMOD-DEF2inINF-8074i).LVTTL-I.

6 MOD_ABS ModuleAbsent,ConnecttoVeeTorVeeRinModule. 4

7 RS0 RateSelect0,optionallycontrolsSFP+modulereceiverLVTTL-I. 5

8 LOS LossofSignalindication.Logic0indicatesnormaloperation.LVTTL-O. 2

9 RS1 RateSelect1,optionallycontrolsSFP+moduletransmitter.LVTTL-I. 5

10 VeeR ReceiverGround(CommonwithTransmitterGround). 1

11 VeeR ReceiverGround(CommonwithTransmitterGround). 1

12 RD- ReceiverInvertedDATAout.ACCoupled.CML-O.

13 RD+ ReceiverNon-invertedDATAout.ACCoupled.CML-O.

14 VeeR ReceiverGround(CommonwithTransmitterGround). 1

15 VccR ReceiverPowerSupply.

16 VccT TransmitterPowerSupply.

17 VeeT TransmitterGround(CommonwithReceiverGround). 1

18 TD+ TransmitterNon-InvertedDATAin.ACCoupled.CML-I.

19 TD- TransmitterInvertedDATAin.ACCoupled.CML-O.

20 VeeT TransmitterGround(CommonwithReceiverGround). 1

Notes:

1. Themodulesignalgroundcontacts,VeeRandVeeT,shouldbeisolatedfromthemodulecase.2. Thiscontactisanopencollector/drainoutputandshouldbepulleduptotheVcc_Hostwithresisterin

therange4.7KΩto10KΩ.Pullupscanbeconnectedtooneorseveralpowersupplies,howeverthehostboarddesignshallensurethatnomodulecontracthasvoltageexceedingmoduleVccT/R+0.5.V.

3. Tx_Disableisaninputcontactwitha4.7KΩto10KΩpull-upresistortoVccTinsidemodule.4. Mod_ABSisconnectedtoVeeTorVeeRintheSFP+module.Thehostmaypullthecontractupto

Vcc_Hostwitharesistorintherangefrom4.7KΩto10KΩ.Mod_ABSisasserted“High”whentheSFP+moduleisphysicallyabsentfromahostslot.

5. RS0andRS1aremoduleinputsandarepulledlowtoVeeTwith>30Kresistorsinthemodule.RS0optionallyselectstheopticalreceivesignalingratecoverage.RS1optionallyselectstheopticaltransmitsignalingratecoverage.ThesecontactscanalsobeusedforRS0andRS1ifimplementingSFF8079.SeeSFF8079fordetails.RS1iscommonlyconnectedtoVeeTorVeeRintheclassicSFPmodules.Thehostneedstoensurethatitwill

notbedamagedifthiscontactisconnectedtoVeeTorVeeRinthemodule.TheSFP+moduleprovidestwoinputsRS0andRS1thatcanoptionallybeusedforrateselection.RS0controlsthereceivepathsignalingratecompatibility,andRS1controlsthetransmitpathsignalingratecompatibility.Thehostandmodulemaychoosetouseeither,both,ornoneofthesefunctions.Becausecontact9intheclassicSFPINF-8074iisconnectedtoVeeR,andSFP+hostutilizingRS1mustprovideshortcircuitprotection.ThisrateselectfunctionalitycanalsobecontrolledbysoftwareasdefinedbySFF-8472.OptionallytherateselectmethodsofPart2SFF-8079maybeusedinsteadofthemethoddescribedherebysettingthemanagementdeclarationbit(A0hbyte93bit2)to1,seeSFF-8472.

Parameter State Conditions

RS0Low Rxsignallyratelessthanorequalto4.25GBd.

High Rxsignallyrategreatthan4.25GBd.

RS1Low Txsignallyratelessthanorequalto4.25GBd.

High Txsignallyrategreatthan4.25GBd.

Pin-outofconnectorBlockonHostboard

RecommendCircuitSchematic

AbsoluteMaximumRatings

Parameter Symbol Min. Max. Unit

MaximumSupplyVoltage Vcc -0.5 4.0 V

StorageTemperature TS -40 85 °C

OperatingHumidity RH 5 95 %

RecommendedOperatingConditions

Parameter Symbol Min. Typ. Max. Unit

PowerSupplyVoltage Vcc 3.13 3.30 3.47 V

PowerSupplyCurrent Icc 300 mA

CaseOperatingTemperature–Commercial Tc -5 70 °C

CaseOperatingTemperature–Industrial Tc -40 85 °C

DataRate 9.95 10.3 10.5 GBps

50/125µmG.652MMF(OM3) Lmax 300 m

ElectricalCharacteristics

Parameter Symbol Min. Typ. Max. Unit Notes

Transmitter

Differentialdatainputswing Vin,pp 120 600 850 mV

Inputdifferentialimpedance Zin 90 100 110 Ω

TXDisable-High 2.0 Vcc+0.3 V

TXDisable-Low Vee-0.3 0.8 V

TXFault-High 2.0 Vcc+0.3 V

TXFault-Low Vee-0.3 0.8 V

Receiver

Differentialdataoutputswing Vout,pp 300 600 850 mV

OutputDifferentialImpedance Zin 90 100 110 Ω

LOS-High 2.0 Vcc+0.3 V

LOS-Low Vee-0.3 0.8 V

OpticalCharacteristics

Parameter Symbol Min. Typ. Max. Unit Notes

Transmitter

OutputOpt.Power -7.3 -1 dBm 1

Opticalmodulationamplitude P(OMA) -4.3 -2 dBm

ExtinctionRatio ER 3 dB

TransmitterandDispersionPenalty TDP 3.9 dB

AverageLaunchpowerOFFTX Poff -30 dBm

OpticalWavelength λλ 840 860 nm

OpticalReturnLossTolerance ORLT 12 dB

RelativeIntensityNoise RIN -128 dB/Hz

EyeDiagram CompatiblewithIEEE802.3-2005

Receiver

Overload PO -1 dBm 1

OpticalCenterWavelength λC 840 860 nm 1

LOSDe-Assert LOSD -13 dBm 1

LOSAssert LOSA -30 dBm

LOSHysteresis 0.5 dB

ReceiverSensitivity PIN -9.9 dBm

ReceiverSensitivity@FECrate PIN-OMA -11.1 dBm

Notes:

1. BER≤10-12@PRBS231-1at10.3125Gb/s.

MechanicalSpecifications

EEPROMInformationEEPROMmemorymapspecificdatafielddescriptionisasbelow:

DigitalDiagnosticMonitoringInterfaceThedigitaldiagnosticmonitoringinterfacealsodefinesanother256-bytememorymapinEEPROM,whichmakesuseofthe8biaddress1010001X(A2h).Themonitoringspecificationofthisproductisdescribedinthistable.

Parameter Range Accuracy Calibration

Temperature -5°Cto85°C ±3°C Internal

Voltage 2.97Vto3.63V ±3% Internal

BiasCurrent 0mAto100mA ±10% Internal

TXPower -7.3dBmto-1dBm ±2dB Internal

RXPower -12dBmto-1dBm ±2dB Internal