FTL410QE2C-LEG 40Gbase QSFP+ Transceiver

Part#39619
FTL410QE2C-LEG
FINISARCOMPATIBLE40GBASE-SR4QSFP+MMF
850NM150MREACHMPODOM
FTL410QE2C-LEG
40GbaseQSFP+Transceiver
Features
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Four-Channelfull-duplextransceivermodules
Transmissiondatarateupto14.025Gbit/sperchannel
4channels850nmVCSELarray
4channelsPINphotodetectorarray
Lowpowerconsumption<1.5W
Housingisolatedfromconnectorground
Operatingcasetemperature0°Cto+70°C
3.3Vpowersupplyvoltage
RoHS6compliant
HotPluggableQSFPformfactor
Maximumlinklengthof100monOM3Multimode
Fiber(MMF)and150monOM4MMF
SingleMPOconnectorreceptacle
Built-indigitaldiagnosticfunction
Applications
• InfiniBandFDR
• 16xFibreChannel
• PCI-e3.0
• ProprietaryHighSpeed
Interconnections
• SAS3.0
ProductDescription
Legrand’sFTL410QE2C-LEGQuadSmallFormFactorPluggable(QSFP+)transceiversarecompatiblewiththe
SmallFormFactorPluggableMulti-SourcingAgreement(MSA).TheQSFP+transceiversarehighperformance,
costeffectivemodulessupporting40GigabitEthernetandupto150mtransmissiondistancewithMMF.
Legrand’sQSFP+transceiversareRoHScompliantandlead-free.
AbsoluteMaximumRatings
Parameter
Symbol
Min.
Typ.
Max.
Unit
SupplyVoltage
Vcc
-0.3
3.6
V
InputVoltage
Vin
-0.3
Vcc+0.3
V
StorageTemperature
Tst
-20
85
°C
CaseOperatingTemperature
Top
0
70
°C
Humidity(non-condensing)
Rh
5
95
%
RecommendedOperatingConditions
Parameter
Symbol
Min.
Typ.
Max.
Unit
SupplyVoltage
Vcc
3.13
3.3
3.47
V
OperatingCaseTemperature
Tca
0
70
°C
DataRatePerLane
fd
2.5
14.025
Gbps
Humidity
Rh
5
85
%
PowerDissipation
Pm
1.5
W
FiberBendRadius
Rb
3
cm
Parameter
Symbol
Min.
Typ.
Max.
Unit
Notes
DifferentialInputimpedance
Zin
90
100
110
ohm
DifferentialOutputimpedance
Zout
90
100
110
ohm
ΔVin
300
1100
mVp-p
ΔVout
500
800
mVp-p
Skew
Sw
300
ps
BitErrorRate
BR
E-12
InputLogicLevelHigh
VIH
2.0
VCC
V
InputLogicLevelLow
VIL
0
0.8
V
OutputLogicLevelHigh
VOH
VCC-0.5
VCC
V
OutputLogicLevelLow
VOL
0
0.4
V
ElectricalCharacteristics
DifferentialInputVoltage
amplitude
Differentialoutputvoltage
amplitude
OpticalCharacteristics
Parameter
Symbol
Min.
Typ.
Max.
Unit
Notes
Transmitter
CenterWavelength
λC
840
850
860
nm
RMSSpectralWidth
∆λ
0.65
nm
AverageOpticalPowerperChannel Pout
-7.5
2.5
dBm
Differenceinlaunchpower
betweenanytwolanes(OMA)
4
dB
ExtinctionRatio
ER
3
dB
Peakpower,eachlane
4
dBm
Transmitteranddispersionpenalty
(TDP),eachlane
TDP
3.5
dB
HitRatio
=5x10-5
EyeMaskCoordinates:
X1,X2,X3,Y1,Y2,Y3
SpecificationValues
0.23,0.34,0.43,0.27,0.35,0.4
Receiver
CenterWavelength
λC
840
850
860
nm
Stressedreceiversensitivityin
OMA,eachlane
-5.4
dBm
1
Averagepoweratreceiverinput,
eachlane
-9.5
2.4
dBm
ReceiverReflectance
-12
dB
Peakpower,eachlane
4
dBm
LOSAssert
-30
dBm
LOSDe-Assert-OMA
-7.5
dBm
LOSHysteresis
0.5
dB
Note:
1. MeasuredwithconformancetestsignalatTP3forBER=10e-12
PinDescriptions
Pin
Logic
Symbol
Name/Descriptions
Ref.
1
GND
ModuleGround
1
2
CML-I
Tx2-
Transmitterinverteddatainput
3
CML-I
Tx2+
Transmitternon-inverteddatainput
4
GND
ModuleGround
1
5
CML-I
Tx4-
Transmitterinverteddatainput
6
CML-I
Tx4+
Transmitternon-inverteddatainput
7
GND
ModuleGround
1
8
LVTTL-I
MODSEIL ModuleSelect
2
9
LVTTL-I
ResetL
ModuleReset
2
10
VCCRx
+3.3vReceiverPowerSupply
11
LVCMOS-I
SCL
2-wireSerialinterfaceclock
2
12
LVCMOS-I/O
SDA
2-wireSerialinterfacedata
2
13
GND
ModuleGround
1
14
CML-O
RX3+
Receivernon-inverteddataoutput
15
CML-O
RX3-
Receiverinverteddtaoutput
16
GND
ModuleGround
1
17
CML-O
RX1+
Receivernon-inverteddataoutput
18
CML-O
RX1-
Receiverinverteddataoutput
19
GND
ModuleGround
1
20
GND
ModuleGround
1
21
CML-O
RX2-
Receiverinverteddataoutput
22
CML-O
RX2+
Receivernon-inverteddataoutput
23
GND
ModuleGround
1
24
CML-O
RX4-
Receiverinverteddataoutput
25
CML-O
RX4+
Receivernon-inverteddataoutput
26
GND
ModuleGround
1
27
LVTTL-O
ModPrsL
ModulePresent,internalpulleddowntoGND
28
LVTTL-O
IntL
Interruptoutput,shouldbepulleduponhostboard
2
29
VCCTx
+3.3vTransmitterPowerSupply
30
VCC1
+3.3vPowerSupply
31
LVTTL-I
LPMode
LowPowerMode
2
32
GND
ModuleGround
1
33
CML-I
Tx3+
Transmitternon-inverteddatainput
34
CML-I
Tx3-
Transmitterinverteddatainput
35
GND
ModuleGround
1
36
CML-I
Tx1+
Transmitternon-inverteddatainput
37
CML-I
Tx1-
Transmitterinverteddatainput
38
GND
ModuleGround
1
Note:
1. Modulecircuitgroundisisolatedfrommodulechassisgroundwithinthemodule.
2. Opencollector;shouldbepulledupwith4.7k-10kohmsonhostboardtoavoltagebetween3.15Vand
3.6V.
ElectricalPin-outDetails
ModSeILPin
TheModSelLisaninputpin.Whenheldlowbythehost,themodulerespondsto2-wireserialcommunication
commands.TheModSelLallowstheuseofmultipleQSFPmodulesonasingle2-wireinterfacebus.Whenthe
ModSelLis“High”,themodulewillnotrespondtoany2-wireinterfacecommunicationfromthehost.ModSelL
hasaninternalpull-upinthemodule.
ResetLPin
Reset.LPMode_Resethasaninternalpull-upinthemodule.AlowlevelontheResetLpinforlongerthanthe
minimumpulselength(t_Reset_init)initiatesacompletemodulereset,returningallusermodulesettingsto
theirdefaultstate.ModuleResetAssertTime(t_init)startsontherisingedgeafterthelowlevelontheResetL
pinisreleased.Duringtheexecutionofareset(t_init)thehostshalldisregardallstatusbitsuntilthemodule
indicatesacompletionoftheresetinterrupt.ThemoduleindicatesthisbypostinganIntLsignalwiththe
Data_Not_Readybitnegated.Notethatonpowerup(includinghotinsertion)themodulewillpostthis
completionofresetinterruptwithoutrequiringareset.
LPModePin
Operateinthelowpowermode(lessthan1.5Wpowerconsumption)Thispinactivehighwilldecreasepower
consumptiontolessthan1W.
ModPrsLPin
ModPrsLispulleduptoVcconthehostboardandgroundedinthemodule.TheModPrsLisasserted“Low”
whenthemoduleisinsertedandde-asserted“High”whenthemoduleisphysicallyabsentfromthehost
connector.
IntLPin
IntLisanoutputpin.When“Low”,itindicatesapossiblemoduleoperationalfaultorastatuscriticaltothehost
system.Thehostidentifiesthesourceoftheinterruptbyusingthe2-wireserialinterface.TheIntLpinisanopen
collectoroutputandmustbepulleduptoVcconthehostboard.
PowerSupplyFiltering
Thehostboardshouldusethepowersupplyfilteringshownbelow.
OpticalInterfaceLanesandAssignment
TheopticalinterfaceportisamaleMPOconnector.Thefourfiberpositionsontheleftasshownbelow,withthe
keyup,areusedfortheopticaltransmitsignals(Channel1through4).Thefiberpositionsontherightareused
fortheopticalreceivesignals(Channel4through1).Thecentralfourfibersarephysicallypresent.
ModuleBlockDiagram
MechanicalSpecifications
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