1.25GbpsSF POpticalTransceiver,20kmReach
Features
Features
Features
Features
Dualdata-rateof1.25Gbps/1.063Gbpsoperation
1310nmFPlaserandPINphotodetectorfor20kmtransmission
CompliantwithSFPMSAandSFF-8472withduplexLCreceptacle
DigitalDiagnosticMonitoring:
InternalCalibrationorExternalCalibration
CompatiblewithRoHS
+3.3Vsinglepowersupply
Operatingcasetemperature:
Standard:0to+70°C
Industrial:-40to+85°C
Applications
Applications
Applications
Applications
GigabitEthernet
FiberChannel
SwitchtoSwitchinterface
Switchedbackplaneapplications
Router/Serverinterface
Otheropticaltransmissionsystems
Description
Description
Description
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
Absolute
Absolute
AbsoluteMaximum
Ma ximum
Maximum
MaximumRatings
Ra tings
Ratings
Ratings
Table
Table
Table
Table1
1
1
1-
-
-
-Absolute
Ab solute
Absolute
AbsoluteMaximum
Ma ximum
Maximum
MaximumRatings
Ra tings
Ratings
Ratings
Parameter
Parameter
Parameter
Parameter Symbol
Symbol
Symbol
Symbol Min
Min
Min
Min Max
Max
Max
Max Unit
Unit
Unit
Unit
SupplyVoltageVcc-0.54.5V
StorageTemperatureTs-40+85°C
OperatingHumidity-585%
Recommended
Recommended
Recommended
RecommendedOperating
Op erating
Operating
OperatingConditions
Co nditions
Conditions
Conditions
Table
Table
Table
Table2
2
2
2-
-
-
-Recommended
Re commended
Recommended
RecommendedOperating
Op erating
Operating
OperatingConditions
Co nditions
Conditions
Conditions
Parameter
Parameter
Parameter
Parameter Symbol
Symbol
Symbol
Symbol Min
Min
Min
Min Typical
Typical
Typical
Typical Max
Max
Max
Max Unit
Unit
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
Optical
Optical
Opticaland
an d
and
andElectrical
El ectrical
Electrical
ElectricalCharacteristics
Ch aracteristics
Characteristics
Characteristics
(FP
(FP
(FP
(FPand
and
and
andPIN,
PIN,
PIN,
PIN,1310nm
1310nm
1310nm
1310nm,
,
,
,20km
20km
20km
20kmReach
Reach
Reach
Reach)
)
)
)
Table
Table
Table
Table3
3
3
3-
-
-
-Optical
Optical
Optical
Opticaland
and
and
andElectrical
Electrical
Electrical
ElectricalCharacteristics
Characteristics
Characteristics
Characteristics
Parameter
Parameter
Parameter
Parameter Symbol
Symbol
Symbol
Symbol Min
Min
Min
Min Typical
Typical
Typical
Typical Max
Max
Max
Max Unit
Unit
Unit
Unit Notes
Notes
Notes
Notes
Transmitter
Transmitter
Transmitter
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
Receiver
Receiver
Receiver
CentreWavelengthλc12601580nm
ReceiverSensitivity-23dBm3
ReceiverOverload-3dBm3
LOSDe-AssertLOS
D
-24dBm
LOSAssertLOS
A
-30dBm
LOSHysteresis14dB
DataOutputSwingDifferentialVout4001800mV4
LOS
High2.0VccV
Low0.8V
Notes:
Notes:
Notes:
Notes:
1.TheopticalpowerislaunchedintoSMF.
2.PECLinput,internallyAC-coupledandterminated.
3.MeasuredwithaPRBS2
7
-1testpattern@1250Mbps,BER≤1×10
-12
.
4.InternallyAC-coupled.
Timing
Timing
Timing
Timingand
and
a nd
andElectrical
Ele ctrical
Electrical
Electrical
Table
Table
Table
Table4
4
4
4-
-
-
-Timing
Tim ing
Timing
Timingand
and
a nd
andElectrical
Ele ctrical
Electrical
Electrical
Parameter
Parameter
Parameter
Parameter Symbol
Symbol
Symbol
Symbol Min
Min
Min
Min Typical
Typical
Typical
Typical Max
Max
Max
Max Unit
Unit
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
Diagnostics
Diagnostics
Diagnostics
Table
Table
Table
Table5
5
5
5–
–
–
–Diagnostics
Dia gnostics
Diagnostics
DiagnosticsSpecification
Spe cification
Specification
Specification
Parameter
Parameter
Parameter
Parameter Range
Range
Range
Range Unit
Unit
Unit
Unit Accuracy
Accuracy
Accuracy
Accuracy Calibration
Calibration
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
Digital
Digital
DigitalDiagnostic
Di agnostic
Diagnostic
DiagnosticMemory
Me mory
Memory
MemoryMap
Ma p
Map
Map
ThetransceiversprovideserialIDmemorycontentsanddiagnosticinformationaboutthepresent
operatingconditionsbythe2-wireserialinterface(SCL,SDA).
Thediagnosticinformationwithinternalcalibrationorexternalcalibrationallareimplemented,including
receivedpowermonitoring,transmittedpowermonitoring,biascurrentmonitoring,supplyvoltage
monitoringandtemperaturemonitoring.
Thedigitaldiagnosticmemorymapspecificdatafielddefinesasfollowing.
Pin
Pin
Pin
PinDefinitions
De finitions
Definitions
Definitions
PinDiagram
Pin
Pin
Pin
PinDescriptions
De scriptions
Descriptions
Descriptions
Pin
Pin
Pin
Pin Signal
Signal
Signal
SignalName
Na me
Name
Name Description
Description
Description
Description Plug
Plug
Plug
PlugSeq.
Se q.
Seq.
Seq. Notes
Notes
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:
Notes:
Notes:
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
Recommended
Recommended
RecommendedInterface
In terface
Interface
InterfaceCircuit
Ci rcuit
Circuit
Circuit
Mechanical
Mechanical
Mechanical
MechanicalDimensions
Di mensions
Dimensions
Dimensions
Ordering
Ordering
Ordering
Orderinginformation
in formation
information
information
Part
Part
Part
PartN
N
N
Number
um ber
umber
umber Product
Product
Product
ProductDescription
De scription
Description
Description
86187 1310nm,1.25Gbps,20km,0ºC~+70ºC
86189 1310nm,1.25Gbps,20km,-40ºC~+85ºC,WithDigitalDiagnosticMonitoring
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