1000base SFP-1.25g-Sx Dual LC 850nm SFP+ with Ddm Compatible Intel

1.25Gb/s SFP (Small Form Pluggable) Long Wavelength (850nm) Transceiver
SFP-GE-SX OverviewSFP-GE-SX SFP optical transceivers are based on Gigabit Ethernet IEEE 802.3 standard and Fiber Channel FC-PI Rev.5.0 and provide aquick and reliable interface for the GE/FC application. The digital diagnostics functions are available via the 2-wire serial bus specified in the SFP MSA. In addition, they comply with the Small Form Factor Pluggable Multi-Source Agreement (MSA) and SFF-8472.Product Features• Up to 1.25 Gb/s bi-directional data links
• Compliant with IEEE 802.3z Gigabit Ethernet and 1000base-SX
• Compliant with SFP MSA
• Hot-pluggable SFP footprint
• 850nm VCSEL laser transmitter
• Duplex LC connector
• Built-in digital diagnostic functions
• Up to 550m on 50/125um MMF
• Up to 300m on 62.5/125um MMF
• Single power supply 3.3V
• RoHS Compliant
• Class 1laser product complies with EN 60825−1
• Operating temperature range:0ºC to70ºCApplications• 1.25 Gb/s Gigabit Ethernet
• 1.063 Gb/s Fiber ChannelOrdering Information
Part NumberDescriptionColor on ClaspSFP-GE-SXGE/FC SFP 850nm LC Connectors 550m on MMF, with DOM function.blackFor More Information:
SfpCodingBox (Dongguan) Limited
Web: www.ezoptics.com.cn
General Specifications
ParameterSymbolMinTypMaxUnitRemarksData RateDR1.25Gb/s1DR1.062Gb/s2DRBit Error RateBER10-12Operating TemperatureTOP070ºC3Storage TemperatureTSTO-4085ºC4Supply CurrentIS130180mA5Input VoltageVCC3.143.33.46VMaximum VoltageVMAX-0.54V5
Notes:
1. IEEE 802.3
2. FC-PI-2 Rev 5
3. Case temperature
4. Ambient temperature
5. For electrical power interface
Optical -Characteristics -Transmitter
VCC=3.14V to 3.46V, TC=0ºC to 70ºCParameterSymbolMinTypMaxUnitRemarksOutput Optical Power 50/125um fiber, NA=0.2 62.5/125um fiber, NA=0.275PTX-9.5-3dBm1Optical Center WavelengthλC830860nmOptical Modulation Amplitude@1.063Gb/sOMA156µW2Extinction Ratio@1.25Gb/sER9dBSpectral Width (RMS)@-20dBΔλ0.85nmOptical Rise/Fall Time (20%-80%)tr /tf100150psRelative Intensity NoiseRIN-120dB/HzDeterministic Jitter ContributionDJ2060psTotal Jitter ContributionTJ65125psMask Margin45%
Notes:
1. Class 1Product
2. Equivalent extinction ratio specification for FC
Optical- Characteristics -Receiver
VCC=3.14V to 3.46V, TC=ºC to 70ºCParameterSymbolMinTypMaxUnitRemarksOptical Receiver PowerPRX0dBm1Optical Center WavelengthλC770860nmReceiver Sensitivity@ 1.063Mb/sRX_SEN1-23dBm2Receiver Sensitivity@ 1.25Mb/sRX_SEN2-23dBm3Optical Return LossORL12dBReceiver Electrical 3dB Upper cutoff frequency1500MHzLOS AssertLOSA-30dBmLOS De-AssertLOSD-23dBmLOS HysteresisLOSH0.5dB
Notes:
1. Average
2. FC-PI-2 Rev.5
3. IEEE 802.3
Electrical -Characteristics -Transmitter
VCC=3.14V to 3.46V, TC=ºC to 70ºCParameterSymbolMinTypMaxUnitRemarksInput differential impedanceRIN100ΩSingle ended data input swingVIN_PP2501200mVTransmit disable voltageVD2VCCVTransmit enable voltageVENVEEVEE+0.8VElectrical -Characteristics -Receiver
VCC=3.14V to 3.46V, TC=ºC to 70ºCParameterSymbolMinTypMaxUnitRemarksSingle ended data output swingVOUT_PP2500450550mVData output rise/fall time (20%-80%)TR/TF90175psLOS FaultVLOS_A2VCC_HOSTVLOS NormalVLOS_DVEEVEE+0.5V
Digital Diagnostic FunctionsSFP-GE-SX support the 2-wire serial communication protocol as defined in the SFP MSA. Digital diagnostic information is accessible over the 2-wire interface at the address 0xA2. Digital diagnostics for SFP-GE-SX are internally calibrated by default. Amicro controller unit inside the transceiver gathers the monitoring information and reports the status of transceiver.Transceiver Temperature,internally measured, represented as a16 bit signed twos complement value in increments of 1/256 degrees Celsius, Temperature accuracy is better than ±3 degrees Celsius over specified operating temperature and voltage.Transceiver Supply Power,internally measured, represented as a16 bit unsigned integer with the voltage defined as the full 16 bit value (0 -65535) with LSB equal to 100 µVolt, yielding atotal range of 0to +6.55 Volts.Transceiver TX bias current,, internally measured, represented as a16 bit unsigned integer with the current defined as the full 16 bit value (0 -65535) with LSB equal to 2µA, yielding atotal range of 0to 131mA. Accuracy is better than ±10%over specified operating temperature and voltage.Transceiver TX output power,internally measured, represented as a16 bit unsigned integer with the power defined as the full 16 bit value (0 -65535) with LSB equal to 0.1 µW. Data is assumed to be based on measurement of laser monitor photodiode current. Accuracy is better than ±3dB over specified temperature and voltage. Data is not valid when the transmitter is disabled.Transceiver RX received optical power,internally measured, represented as a16 bit unsigned integer with the power defined as the full 16 bit 35 value (0 -65535) with LSB equal to 0.1 µW. Accuracy is better than ±3dB over specified temperature and voltage.
ParameterSymbolAccuracyUnitsReport RangeUnitRemarksInternal CalibrationTemperatureTMON±3ºC-4095ºCVoltageVMON±0.1V2.73.9VBias CurrentIMON±10%115mTx PowerPMON±3dB-121dBmRx PowerPMON±3dB-251dBmBlock-Diagram-of-TransceiverTransmitter Section
The VCSEL driver accept differential input data and provide bias and modulation currents for driving alaser. An automatic power-control (APC) feedback loop is incorporated to maintain aconstant average optical power. 850 nm VCSEL in an eye safe optical subassembly (OSA) mates to the fiber cable.TX_DISABLE
The TX_DISABLE signal is high (TTL logic "1") to turn off the laser output. The laser will turn on within 1ms when TX_DISABLE is low (TTL logic"0").TX_FAULT
When the TX_FAULT signal is high, output indicates alaser fault of some kind. Low indicates normal operation.Receiver Section
The receiver utilizes aPIN detector integrated with atrans-impedance preamplifier in an OSA. This OSA is connected to aLimiting Amplifier which providing post-amplification quantization, and optical signal detection. The limiting Amplifier is AC-coupled to the transimpedance amplifier, with internal 100Ω differential termination.Receive (RX_LOS)
The RX_LOS is high (logic "1") when there is no incoming light from the companion transceiver. This signal is normally used by the system for the diagnostic purpose. The signal is operated in TTL level.
Controller Section
The micro controller unit monitors the operation information of LD driver and Limiting Amplifier. And report these status to the customer.DimensionsALL DIMENSIONS ARE ±0.2mm UNLESS OTHERWISE SPECIFIED
UNIT: mmElectrical Pad Layout
Pin AssignmentPIN #SymbolDescriptionRemarks1VEETTransmitter ground (common with receiver ground)12T_FAULTTransmitter Fault. Not supported3T_DISTransmitter Disable. Laser output disabled on high or open24MOD_DEF(2)Module Definition 2. Data line for serial ID35MOD_DEF(1)Module Definition 1. Clock line for serial ID36MOD_DEF(0)Module Definition 0. Grounded within the module37Rate SelectNo connection required8LOSLoss of Signal indication. Logic 0indicates normal operation49VEERReceiver ground (common with transmitter ground)110VEERReceiver ground (common with transmitter ground)111VEERReceiver ground (common with transmitter ground)112RD−Receiver Inverted DATA out. AC coupled13RD+Receiver Non-inverted DATA out. AC coupled14VEERReceiver ground (common with transmitter ground)115VCCRReceiver power supply16VCCTTransmitter power supply17VEETTransmitter ground (common with receiver ground)118TD+Transmitter Non-Inverted DATA in. AC coupled19TD-Transmitter Inverted DATA in. AC coupled20VEETTransmitter ground (common with receiver ground)1
Notes:
1. Circuit ground is isolated from chassis ground
2. Disabled:TDIS>2Vor open, Enabled: TDIS<0.8V
3. Should Be pulled up with 4.7k -10k ohm on host board to avoltage between 2V and 3.6V
4. LOS is open collector output