DeLOCK SFP 1000Base-LX SM 1310nm User manual

1.25GbpsSF POpticalTransceiver,20kmReach

Features

Dualdata-rateof1.25Gbps/1.063Gbpsoperation

1310nmFPlaserandPINphotodetectorfor20kmtransmission

CompliantwithSFPMSAandSFF-8472withduplexLCreceptacle

DigitalDiagnosticMonitoring:

InternalCalibrationorExternalCalibration

CompatiblewithRoHS

+3.3Vsinglepowersupply

Operatingcasetemperature:

Standard:0to+70°C

Industrial:-40to+85°C

Applications

GigabitEthernet

FiberChannel

SwitchtoSwitchinterface

Switchedbackplaneapplications

Router/Serverinterface

Otheropticaltransmissionsystems

Description

TheSFPtransceiversarehighperformance,costeffectivemodulessupportingdualdata-rateof

1.25Gbps/1.0625Gbpsand20kmtransmissiondistancewithSMF.

Thetransceiverconsistsofthreesections:aFPlasertransmitter,aPINphotodiodeintegratedwitha

trans-impedancepreamplifier(TIA)andMCUcontrolunit.AllmodulessatisfyclassIlasersafety

requirements.

ThetransceiversarecompatiblewithSFPMulti-SourceAgreement(MSA)andSFF-8472.Forfurther

information,pleaserefertoSFPMSA.

Absolute

AbsoluteMaximum

Ma ximum

Maximum

MaximumRatings

Ra tings

Ratings

Table

Table1

1

1-

-

-Absolute

Ab solute

Absolute

AbsoluteMaximum

Ma ximum

Maximum

MaximumRatings

Ra tings

Ratings

Parameter

Parameter Symbol

Symbol

Symbol Min

Min

Min Max

Max

Max Unit

Unit

SupplyVoltageVcc-0.54.5V

StorageTemperatureTs-40+85°C

OperatingHumidity-585%

Recommended

RecommendedOperating

Op erating

Operating

OperatingConditions

Co nditions

Conditions

Table

Table2

2

2-

-

-Recommended

Re commended

Recommended

RecommendedOperating

Op erating

Operating

OperatingConditions

Co nditions

Conditions

Parameter

Parameter Symbol

Symbol

Symbol Min

Min

Min Typical

Typical

Typical Max

Max

Max Unit

Unit

OperatingCaseTemperature

Standard

Tc

0+70°C

Industrial-40+85°C

PowerSupplyVoltageVcc3.133.33.47V

PowerSupplyCurrentIcc300mA

DataRate

GigabitEthernet1.25

Gbps

FiberChannel1.063

Vcc

Temp

TD+/-

TxFault

TxDis

LOS

RD+/-

SCL

SDA

LDDriver LD

PIN+TIAPostAmp

MCU

EEPROM ADC/DAC

Optical

Opticaland

an d

and

andElectrical

El ectrical

Electrical

ElectricalCharacteristics

Ch aracteristics

Characteristics

(FP

(FPand

and

andPIN,

PIN,

PIN,1310nm

1310nm

1310nm,

,

,20km

20km

20kmReach

Reach

Reach)

)

Table

Table3

3

3-

-

-Optical

Optical

Opticaland

and

andElectrical

Electrical

ElectricalCharacteristics

Characteristics

Parameter

Parameter Symbol

Symbol

Symbol Min

Min

Min Typical

Typical

Typical Max

Max

Max Unit

Unit

Unit Notes

Notes

Transmitter

CentreWavelengthλc126013101360nm

SpectralWidth(RMS)∆λ4nm

AverageOutputPowerPout-9-3dBm1

ExtinctionRatioER9dB

OpticalRise/FallTime(20%~80%)tr/tf0.26ns

DataInputSwingDifferentialV

IN

4001800mV2

InputDifferentialImpedanceZ

IN

90100110Ω

TXDisable

Disable2.0VccV

Enable00.8V

TXFault

Fault2.0VccV

Normal00.8V

Receiver

CentreWavelengthλc12601580nm

ReceiverSensitivity-23dBm3

ReceiverOverload-3dBm3

LOSDe-AssertLOS

D

-24dBm

LOSAssertLOS

A

-30dBm

LOSHysteresis14dB

DataOutputSwingDifferentialVout4001800mV4

LOS

High2.0VccV

Low0.8V

Notes:

1.TheopticalpowerislaunchedintoSMF.

2.PECLinput,internallyAC-coupledandterminated.

3.MeasuredwithaPRBS2

7

-1testpattern@1250Mbps,BER≤1×10

-12

.

4.InternallyAC-coupled.

Timing

Timingand

and

a nd

andElectrical

Ele ctrical

Electrical

Table

Table4

4

4-

-

-Timing

Tim ing

Timing

Timingand

and

a nd

andElectrical

Ele ctrical

Electrical

Parameter

Parameter Symbol

Symbol

Symbol Min

Min

Min Typical

Typical

Typical Max

Max

Max Unit

Unit

TxDisableNegateTimet_on1ms

TxDisableAssertTimet_off10µs

TimeToInitialize,includingResetofTxFaultt_init300ms

TxFaultAssertTimet_fault100µs

TxDisableToResett_reset10µs

LOSAssertTimet_loss_on100µs

LOSDe-assertTimet_loss_off100µs

SerialIDClockRatef_serial_clock400KHz

MOD_DEF(0:2)-HighV

H

2VccV

MOD_DEF(0:2)-LowV

L

0.8V

Diagnostics

Table

Table5

5

5–

–

–Diagnostics

Dia gnostics

Diagnostics

DiagnosticsSpecification

Spe cification

Specification

Parameter

Parameter Range

Range

Range Unit

Unit

Unit Accuracy

Accuracy

Accuracy Calibration

Calibration

Temperature

0to+70

°C±3°CInternal/External

-40to+85

Voltage3.0to3.6V±3%Internal/External

BiasCurrent0to100mA±10%Internal/External

TXPower-9to-3dBm±3dBInternal/External

RXPower-23to-3dBm±3dBInternal/External

Digital

DigitalDiagnostic

Di agnostic

Diagnostic

DiagnosticMemory

Me mory

Memory

MemoryMap

Ma p

Map

ThetransceiversprovideserialIDmemorycontentsanddiagnosticinformationaboutthepresent

operatingconditionsbythe2-wireserialinterface(SCL,SDA).

Thediagnosticinformationwithinternalcalibrationorexternalcalibrationallareimplemented,including

receivedpowermonitoring,transmittedpowermonitoring,biascurrentmonitoring,supplyvoltage

monitoringandtemperaturemonitoring.

Thedigitaldiagnosticmemorymapspecificdatafielddefinesasfollowing.

PinDefinitions

De finitions

Definitions

PinDiagram

PinDescriptions

De scriptions

Descriptions

Pin Signal

Signal

SignalName

Na me

Name

Name Description

Description

Description Plug

Plug

PlugSeq.

Se q.

Seq.

Seq. Notes

Notes

1V

EET

TransmitterGround1

2TXFAULTTransmitterFaultIndication3Note1

3TXDISABLETransmitterDisable3Note2

4MOD_DEF(2)SDASerialDataSignal3Note3

5MOD_DEF(1)SCLSerialClockSignal3Note3

6MOD_DEF(0)TTLLow3Note3

7RateSelectNotConnected3

8LOSLossofSignal3Note4

9V

EER

Receiverground1

10V

EER

Receiverground1

11V

EER

Receiverground1

12RD-Inv.ReceivedDataOut3Note5

13RD+ReceivedDataOut3Note5

14V

EER

Receiverground1

15V

CCR

ReceiverPowerSupply2

16V

CCT

TransmitterPowerSupply2

17V

EET

TransmitterGround1

18TD+TransmitDataIn3Note6

19TD-Inv.TransmitDataIn3Note6

20V

EET

TransmitterGround1

Notes:

PlugSeq.:Pinengagementsequenceduringhotplugging.

1)TXFaultisanopencollectoroutput,whichshouldbepulledupwitha4.7k~10kΩresistoronthehostboardtoavoltage

between2.0VandVcc+0.3V.Logic0indicatesnormaloperation;Logic1indicatesalaserfaultofsomekind.Inthelow

state,theoutputwillbepulledtolessthan0.8V.

2)TXDisableisaninputthatisusedtoshutdownthetransmitteropticaloutput.Itispulledupwithinthemodulewitha

4.7k~10kΩresistor.Itsstatesare:

Low(0to0.8V):Transmitteron

(>0.8V,<2.0V):Undefined

High(2.0to3.465V):TransmitterDisabled

Open:TransmitterDisabled

3)Mod-Def0,1,2.Thesearethemoduledefinitionpins.Theyshouldbepulledupwitha4.7k~10kΩresistoronthehostboard.

Thepull-upvoltageshallbeVccTorVccR.

Mod-Def0isgroundedbythemoduletoindicatethatthemoduleispresent

Mod-Def1istheclocklineoftwowireserialinterfaceforserialID

Mod-Def2isthedatalineoftwowireserialinterfaceforserialID

4)LOSisanopencollectoroutput,whichshouldbepulledupwitha4.7k~10kΩresistor.Pullupvoltagebetween2.0Vand

Vcc+0.3V.Logic1indicateslossofsignal;Logic0indicatesnormaloperation.Inthelowstate,theoutputwillbepulledto

lessthan0.8V.

5)RD-/+:Thesearethedifferentialreceiveroutputs.TheyareinternallyAC-coupled100differentiallineswhichshouldbe

terminatedwith100Ω(differential)attheuserSERDES.

6)TD-/+:Thesearethedifferentialtransmitterinputs.TheyareinternallyAC-coupled,differentiallineswith100Ωdifferential

terminationinsidethemodule.

Recommended

RecommendedInterface

In terface

Interface

InterfaceCircuit

Ci rcuit

Circuit

Mechanical

MechanicalDimensions

Di mensions

Dimensions

Ordering

Orderinginformation

in formation

information

Part

PartN

N

Number

um ber

umber

umber Product

Product

ProductDescription

De scription

Description

86187 1310nm,1.25Gbps,20km,0ºC~+70ºC

86189 1310nm,1.25Gbps,20km,-40ºC~+85ºC,WithDigitalDiagnosticMonitoring

DeLOCK SFP 1000Base-LX SM 1310nm User manual

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DeLOCK SFP 1000Base-LX SM 1310nm User manual

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