25克0 55公里850nm黑龙江中科宏源通讯技术

Features

Applications

GigabitEthernet(1.25Gbps)

FiberChannel1xFC(1.0625Gbps)

SFPTypeDualLCTransceiver

850nmVCSELLaser

PINPhotoDetector

550mtransmissionwith50/125umMMF

275mtransmissionwith62.5/125umMMF

3.3Vsinglepowersupply

CompliantwithSFPMSA

CompliantwithIEEE802.3ah,802.3z

CompliantwithFC-PI-2

Hotpluggable

SerialIDinformationsupport

DigitaldiagnosticSFF-8472compliant(Option)

CompliantwithRoHS

OrderingInformation

FormFactor

DateRate

Media

Distance

Wavelength(nm)

TXPower(dBm)

RXSensitivity(dBm)

Voltage(V)

Coupling

SignalDetect

DDM(Y/N)

Temperature(°C)

PartNumber

SFP-Dual-LC

1.25G

MMF

0.55Km

850

-3~-9

<-18

3.3

AC/AC

TTL

N

-5~+70

A56L-SN85-A6MA

SFP-Dual-LC

1.25G

MMF

0.55Km

850

-3~-9

<-18

3.3

AC/AC

TTL

Y

-5~+70

A56L-SN85-ADMA

SFP-Dual-LC

1.25G

MMF

0.55Km

850

-3~-9

<-18

3.3

AC/AC

TTL

N

-10~+85

A56L-SN85-A6RA

SFP-Dual-LC

1.25G

MMF

0.55Km

850

-3~-9

<-18

3.3

AC/AC

TTL

Y

-10~+85

A56L-SN85-ADRA

SFP-Dual-LC

1.25G

MMF

0.55Km

850

-3~-9

<-18

3.3

AC/AC

TTL

N

-40~+85

A56L-SN85-A6GA

SFP-Dual-LC

1.25G

MMF

0.55Km

850

-3~-9

<-18

3.3

AC/AC

TTL

Y

-40~+85

A56L-SN85-ADGA

AbsoluteMaximumRatings

Parameter

Symbol

Conditions

Min

Max

Unit

StorageTemperature

TS

--

-40

+85

°C

StorageRelativeHumidity

RH

--

5

95

%

SupplyVoltage

VCC

--

0

4.0

V

RecommendedOperatingConditions

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

OperatingTemperature(Case)

TC

A56L-SN85-AxMA

-5

--

70

°C

A56L-SN85-AxRA

-10

--

85

°C

A56L-SN85-AxGA

-40

--

85

°C

SupplyVoltage

VCC

--

3.1

3.3

3.5

V

SupplyCurrent

ITX+IRX

--

--

--

300

mA

DataRate

DR

--

--

1.25

--

Gbps

ElectricalCharacteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Transmitter

DifferentialInputImpedance

RDI

--

--

100

--

Ohm

DifferentialInputVoltage

VDI

AC-Coupled,peaktopeak

0.50

--

2.40

V

TxDisableInput-High

VDISH

2.0

--

VCC+0.3

V

TxDisableInput-Low

VDISL

0

--

0.8

V

TxFaultOutput-High

VFOH

2.0

--

VCC+0.3

V

TxFaultOutput-Low

VFOL

0

--

0.8

V

Receiver

DifferentialOutputImpedance

RDO

--

--

100

--

Ohm

DifferentialOutputVoltage

VDO

AC-Coupled,peaktopeak

0.37

--

2.00

V

RxLOSOutput-High

VLOSH

2.00

--

VCC+0.3

V

RxLOSOutput-Low

VLOSL

0.00

--

0.80

V

OpticalCharacteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Transmitter

OpticalCenterWavelength

λc

--

830

850

860

nm

SpectralWidth

(RMS)

--

--

0.85

nm

OpticalOutputPower

Po

Couplingintoa62.5/125umMMF

-9

--

-3

dBm

OpticalExtinctionRatio

ER

--

9.0

--

--

dB

OpticalRise/FallTime

t/t

rf

20%to80%Values

--

--

0.26

ns

EyeMask

--

CompliantwithIEEE802.3zandFC-PI-2

Receiver

OperatingWavelength

λ

--

770

850

860

nm

ReceiverOverload

PINMAX

1

-3

--

--

dBm

ReceiverSensitivity

PINMIN

1

--

--

-18

dBm

RxLOSAssert

PA

--

-35

--

--

dBm

RxLOSDe-Assert

PD

--

--

--

-18

dBm

RxLOSHysteresis

PA-PD

--

0.5

--

--

dB

1.MeasuredwithPRBS27–1at10-12BER

RecommendedHostBoardPowerSupply

RecommendedInterfaceCircuit

1uH

3.3V

1uH

10uF0.1uF

ProtocolVCC

SFPModules

ProtocolVcc

VccT

0.1uF

4.7Kto10K

Tx_Disable

Tx_Fault

Tx_Disable

Tx_Fault

TD+

0.01uF100

TD-

0.01uF

SerDesIC

VeeT

ProtocolIC

VccR

10uF0.1uF

RD+

100

0.01uF

RD-

0.01uF

Rx_LOS

Rx_LOS

3.3V

VeeR

MOD_DEF(0)

MOD_DEF(1)

SerialID

MOD_DEF(2)

PinDescription

SFPTransceiverElectricPadLayout DiagramofHostBoardConnector

BlockPinNumbersandNames

PinFunctionDefinitions

PinNo.

PinName

Function

PlugSeq.

Note

1

VeeT

TransmitterGround

1

2

TXFault

TransmitterFaultIndication

3

1

3

TXDisable

TransmitterDisable

3

2

4

MOD_DEF2

ModuleDefinition2

3

3

5

MOD_DEF1

ModuleDefinition1

3

3

6

MOD_DEF0

ModuleDefinition0

3

3

7

RateSelect

Selectbetweenfullorreducedreceiverbandwidth

3

4

8

LOS

LossofSignal

3

5

9

VeeR

ReceiverGround

1

6

10

VeeR

ReceiverGround

1

6

11

VeeR

ReceiverGround

1

6

12

RD-

Inv.ReceiverDataOut

3

7

13

RD+

ReceiverDataOut

3

7

14

VeeR

ReceiverGround

1

6

15

VccR

ReceiverPower

2

8

16

VccT

TransmitterPower

2

8

17

VeeT

TransmitterGround

1

6

18

TD+

TransmitterDataIn

3

9

19

TD-

Inv.TransmitterDataIn

3

9

20

VeeT

TransmitterGround

1

6

Notes:

PlugSeq.:Pinengagementsequenceduringhotplugging.

TXFaultisanopencollector/drainoutput,whichshouldbepulledupwitha4.7K–10KΩresistoronthehostboard.Pullupvoltagebetween2.0VandVccT,R+0.3V.Whenhigh,outputindicatesalaserfaultofsomekind.Lowindicatesnormaloperation.Inthelowstate,theoutputwillbepulledto<0.8V.

TXdisableisaninputthatisusedtoshutdownthetransmitteropticaloutput.Itispulledupwithinthemodulewitha4.7

–10KΩresistor.Itsstatesare:

Low(below0.8V):Transmitteron(>0.8,<2.0V):Undefined

High(above2.0v):TransmitterDisabledOpen:TransmitterDisabled

Mod-Def0,1,2.Thesearethemoduledefinitionpins.Theyshouldbepulledupwitha4.7K-10KΩresistoronthehostboard.Thepull-upvoltageshallbeVccTorVccR

Mod-Def0isgroundedbythemoduletoindicatethatthemoduleispresentMod-Def1istheclocklineoftwowireserialinterfaceforserialID

Mod-Def2isthedatalineoftwowireserialinterfaceforserialID

Thisisanoptionalinputusedtocontrolthereceiverbandwidthforcompatibilitywithmultipledatarates(mostlikelyFiberChannel1xand2xRates).Ifimplemented,theinputwillbeinternallypulleddownwith>30kΩresistor.Theinputstatesare:

Low(below0.8V):ReducedBandwidth(>0.8,<2.0V):Undefined

High(above2.0V):FullBandwidthOpen:ReducedBandwidth

LOS(LossofSignal)isanopencollector/drainoutput,whichshouldbepulledupwitha4.7K-10KΩresistoronthehostboard.Pullupvoltagebetween2.0VandVccT,R+0.3V.Whenhigh,thisoutputindicatesthereceivedopticalpowerisbelowtheworst-casereceiversensitivity(asdefinedbythestandardinuse).Lowindicatesnormaloperation.Inthelowstate,theoutputwillbepulledto<0.8V.

VeeRandVeeTmaybeinternallyconnectedwithintheSFPmodule.

RD-/+:Thesearethedifferentialreceiveroutputs.TheyareACcoupled100Ωdifferentiallineswhichshouldbeterminatedwith100Ω(differential)attheuserSERDES.TheACcouplingisdoneinsidethemoduleandisthusnotrequiredonthehostboard.Thevoltageswingontheselineswillbebetween370and2000mVdifferential(185–1000mVsingleended)whenproperlyterminated.

VccRandVccTarethereceiverandtransmitterpowersupplies.Maximumsupplycurrentis300mA.Recommendedhostboardpowersupplyfilteringisshownbelow.InductorswithDCresistanceoflessthan1ΩshouldbeusedinordertomaintaintherequiredvoltageattheSFPinputpinwith3.3Vsupplyvoltage.Whentherecommendedsupplyfilteringnetworkisused,hotpluggingoftheSFPtransceivermodulewillresultinaninrushcurrentofnomorethan30mAgreaterthanthesteadystatevalue.VccRandVccTmaybeinternallyconnectedwithintheSFPtransceivermodule.

TD-/+:Thesearethedifferentialtransmitterinputs.TheyareAC-coupled,differentiallineswith100Ωdifferentialterminationinsidethemodule.TheACcouplingisdoneinsidethemoduleandisthusnotrequiredonthehostboard.Theinputswillacceptdifferentialswingsof500–2400mV(250–1200mVsingle-ended),thoughitisrecommendedthatvaluesbetween500and1200mVdifferential(250–600mVsingle-ended)beusedforbestEMIperformance.

MechanicalDesignDiagram(mm)

RegulatoryCompliance

Item

Standard

ElectromagneticInterference(EMI)

FCCPart15ClassB

EN55022ClassB(CISPR22B)

VCCIClassB

ElectrostaticDischargetotheElectricalPins(ESD)

MIL-STD-883E

Method3015.7

ElectrostaticDischargetotheReceptacle(ESD)

IEC61000-4-2

RoHS

2002/95/EC

LaserEyeSafety

FDA21CFR1040.10and1040.11

ComponentRecognition

ULandTUV

LaserSafetyInformation

AllversionsofthislaserareClass1MlaserproductsperIEC1/EN260825-1:2001-08.UsersshouldobservesafetyprecautionssuchasthoserecommendedbyANSI3Z136.1-2000,ANSIZ36.2-1997andIEC60825-1:2001-08.

ThisproductconformstoFDA(CDRH)21CFR1040.10and1040.11exceptfordeviationsoflasersafetyclassdesignationpursuantto'LaserNoticeNo.50',datedJune24,2007i.e.IEC60825-1Class1MequivalencetoCDRHClassIIIb.Thislasermoduleisonlyintendedforuseasacomponentbymanufacturersofelectronicproductsandequipment.

Productlabeling:

Class1MLaserProductCompliancewith21CFR1040.10and1040.11

Iflabelingisnotaffixedtothemoduleduetosizeconstraints;thenrather,labelingisplacedontheoutsideoftheshippingbox.

Thisproductisnot