Finisar FTLF8528P3BCV network transceiver module
Contents
1. Finisar Corporation Jan 25 2011 Rev A 3 Page 1 Product Specification 8 5 Gb s Short Wavelength SFP Transceiver FTLF8528P3BxV PRODUCT FEATURES Up to 8 5 Gb s bi directional data links Hot pluggable SFP footprint Built in digital diagnostic functions 850nm Oxide VCSEL laser transmitter Duplex LC connector RoHS compliant and Lead Free 50m on 50 125 m MMF 150m on high bandwidth 50 125um OM3 MMF Metal enclosure for lower EMI Single 3 3V power supply lt 0 5W power dissipation Extended operating temperature range 5 C to 85 C APPLICATIONS Tri Rate 2 125 4 25 8 5 Gb s Fibre Channel Wireless CPRI Wireless OBSAI Finisar s FTLF8528P3BxV SFP transceivers are designed for use in Fibre Channel links up to 8 5 Gb s data rate over multimode fiber They are compliant with FC PI 4 Rev 8 00a and SFF 8472 Rev 11 0c and compatible with SFF 8432b and applicable portions of SFF 8431 Rev 4 1d The product is RoHS compliant and lead free per Directive 2002 95 ECe and Finisar Application Note AN 2038 PRODUCT SELECTION FTLF8528P3BxV x N Extended Temperature 5C to 85oC C Commercial Temperature 5 to 70oC FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 2 4 Pin Descriptions Pin Symbol Name Description Ref 1 VEET Transmitter Ground Common with Receiver Ground 1 2 TFAULT Transmitter Fault 2 32. 2 Or open circuit 3 Into 100 ohms differential termination 4 Unfiltered 20 80 5 LOS is an open collector output Should be pulled up with 4 7k 10kohms on the host board Normal operation is logic 0 loss of signal is logic 1 Maximum pull up voltage is 5 5V 6 Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1 5 MHz up to specified value applied through the recommended power supply filtering network 7 If measured with TJ free data input signal In actual application output TJ will be given by 2 2 DJ TJ DJ TJ DJ DJ TJ IN IN IN OUT 8 As defined in FC PI 41 Rev 8 0 Table 12 800 Mx SN y FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 5 VI Optical Characteristics TA VCC 3 15 to 3 46 Volts Parameter Symbol Min Typ Max Unit Ref Transmitter Output Opt Pwr 50 or 62 5 MMF POUT 8 2 2 dBm 1 Optical Wavelength 840 860 nm Spectral Width 0 65 nm Optical Modulation Amplitude 2 125 Gb s OMA 196 W Optical Modulation Amplitude 4 25 Gb s OMA 247 W Optical Modulation Amplitude 8 5 Gb s OMA 302 W Optical Rise Fall Time 2 125 4 25 Gb s tr tf 90 ps 2 Transmitter Waveform and Dispersion Penalty 8 5 Gb s TWDP 4 2 dB 3 Relative Intensity Noise RIN 128 dB Hz Deterministic Jitter C
3. TDIS Transmitter Disable Laser output disabled on high or open 3 4 SDA 2 wire Serial Interface Data Line MOD DEF2 4 5 SCA 2 wire Serial Interface Clock MOD DEF1 4 6 MOD_ABS Module Absent connected to VEET or VEER 4 7 RS0 Rx Rate Select Open or Low High 2 125 or 4 25 Gb s Fibre Channel Low Bandwidth 8 5 Gb s Fibre Channel High Bandwidth 5 8 LOS Loss of Signal indication Logic 0 indicates normal operation 6 9 RS1 Tx Rate Select Open or Low High 2 125 or 4 25 Gb s Fibre Channel Low Bandwidth 8 5 Gb s Fibre Channel High Bandwidth 5 10 VEER Receiver Ground Common with Transmitter Ground 1 11 VEER Receiver Ground Common with Transmitter Ground 1 12 RD Receiver Inverted DATA out AC Coupled 13 RD Receiver Non inverted DATA out AC Coupled 14 VEER Receiver Ground Common with Transmitter Ground 1 15 VCCR Receiver Power Supply 16 VCCT Transmitter Power Supply 17 VEET Transmitter Ground Common with Receiver Ground 1 18 TD Transmitter Non Inverted DATA in AC Coupled 19 TD Transmitter Inverted DATA in AC Coupled 20 VEET Transmitter Ground Common with Receiver Ground 1 Notes 1 Circuit ground is internally isolated from chassis ground 2 TFAULT is an open collector drain output which should be pulled up with a 4 7k 10k Ohms resistor on the host board if intended for use Pull up voltage should be between 2 0V to Vcc
4. Number SFF 8432 Revision 5 0 July 16 2007 c Digital Monitoring Interface for Optical Transceivers SFF Document Number SFF 8472 Revision 11 0 d SFF 8431 Specifications for Enhanced Small Form Factor Pulggable Modules SFP SFF Document Number SFF 8431 Revision 4 1 July 6 2009 e Directive 2002 95 EC of the European Council Parliament and of the Council on the restriction of the use of certain hazardous substances in electrical and electronic equipment January 27 2003 f Small Form Factor Pluggable SFP Transceiver Multi source Agreement MSA September 14 2000 XIII For More Information Finisar Corporation 1389 Moffett Park Drive Sunnyvale CA 94089 1133 Tel 1 408 548 1000 Fax 1 408 541 6138 sales finisar com www finisar com
5. signal SDA Mod Def 2 is bi directional for serial data transfer The host uses SDA in conjunction with SCL to mark the start and end of serial protocol activation The memories are organized as a series of 8 bit data words that can be addressed individually or sequentially For more information please see the SFP MSA documentationc f and Finisar Application Note AN 2030 Please note that evaluation board FDB 1027 is available with Finisar ModDEMO software that allows simple to use communication over the 2 wire serial interface FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 8 IX Digital Diagnostic Specifications FTLF8528P3BxV transceivers can be used in host systems that require either internally or externally calibrated digital diagnostics Parameter Symbol Min Typ Max Units Ref Accuracy Internally measured transceiver temperature DDTemperature 3 C Internally measured transceiver supply voltage DDVoltage 100 mV Measured TX bias current DDBias 10 1 Measured TX output power DDTx Power 2 dB Measured RX received average optical power DDRx Power 2 dB Dynamic Range for Rated Accuracy Internally measured transceiver temperature DDTemperature 5 85 C Internally measured transceiver supply voltage DDVoltage 3 0 3 6 V Measured TX bias current DDBias 0 20 mA Measured TX output power DDTx Power 9 2 dBm Mea
6. 0 3V A high output indicates a transmitter fault caused by either the TX bias current or the TX output power exceeding the preset alarm thresholds A low output indicates normal operation In the low state the output is pulled to lt 0 8V 3 Laser output disabled on TDIS gt 2 0V or open enabled on TDIS lt 0 8V 4 Should be pulled up with 4 7k 10kohms on host board to a voltage between 2 0V and 3 6V MOD_ABS pulls line low to indicate module is plugged in 5 Rate select can also be set through the 2 wire bus in accordance with SFF 8472 v 11 0c Rx Rate Select is set at Bit 3 Byte 110 Address A2h Tx Rate Select is set at Bit 3 Byte 118 Address A2h Note writing a 1 selects maximum bandwidth operation Rate select is the logic OR of the input state of Rate Select Pin and 2 wire bus 6 LOS is open collector output Should be pulled up with 4 7k 10kohms on host board to a voltage between 2 0V and 3 6V Logic 0 indicates normal operation logic 1 indicates loss of signal FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 3 Diagram of Host Board Connector Block Pin Numbers and Names 4 Absolute Maximum Ratings Parameter Symbol Min Typ Max Unit Ref Maximum Supply Voltage Vcc 0 5 4 0 V Storage Temperature TS 40 85 C Case Operating Temperature TA C Commercial Temperature Extended Temperature 5 5 70 85 Relative Humidity N
7. 25 m MMF L 300 150 50 m 3 4 5 Fiber Length on 50 125 m high bandwidth OM3 MMF L 500 380 150 m 3 4 5 Notes 1 2x and 4x Fibre Channel compatible per FC PI 41 2 PRBS 27 1 3 At 2 125 Gb s Fibre Channel data rate 4 At 4 25 Gb s Fibre Channel data rate 5 At 8 5 Gb s Fibre Channel data rate VI Environmental Specifications Parameter Symbol Min Typ Max Units Ref Case Operating Temperature Top C Commercial Temperature Extended Temperature 5 5 70 85 Storage Temperature Tsto 40 85 C VII Regulatory Compliance Finisar transceivers are Class 1 Laser Products and comply with US FDA regulations These products are certified by T V and CSA to meet the Class 1 eye safety requirements of EN IEC 60825 Copy of certificate is available at Finisar Corporation upon request FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 7 VIII Digital Diagnostic Functions Finisar FTLF8528P3BxV SFP transceivers support the 2 wire serial communication protocol as defined in the SFP MSAf It is very closely related to the E2PROM defined in the GBIC standard with the same electrical specifications The standard SFP serial ID provides access to identification information that describes the transceiver s capabilities standard interfaces manufacturer and other information Additionally Finisar SFP transceivers provide a enhanced dig
8. ital diagnostic monitoring interface which allows real time access to device operating parameters such as transceiver temperature laser bias current transmitted optical power received optical power and transceiver supply voltage It also defines a sophisticated system of alarm and warning flags which alerts end users when particular operating parameters are outside of a factory set normal range The SFP MSA defines a 256 byte memory map in E2PROM that is accessible over a 2 wire serial interface at the 8 bit address 1010000X A0h The digital diagnostic monitoring interface makes use of the 8 bit address 1010001X A2h so the originally defined serial ID memory map remains unchanged The interface is identical to and is thus fully backward compatible with both the GBIC Specification and the SFP Multi Source Agreement The complete interface is described in Finisar Application Note AN 2030 Digital Diagnostics Monitoring Interface for SFP Optical Transceivers The operating and diagnostics information is monitored and reported by a Digital Diagnostics Transceiver Controller DDTC inside the transceiver which is accessed through a 2 wire serial interface When the serial protocol is activated the serial clock signal SCL Mod Def 1 is generated by the host The positive edge clocks data into the SFP transceiver into those segments of the E2PROM that are not write protected The negative edge clocks data from the SFP transceiver The serial data
9. on condensing RH 0 85 FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 4 III Electrical Characteristics TA VCC 3 15 to 3 46 Volts Parameter Symbol Min Typ Max Unit Ref Supply Voltage Vcc 3 15 3 45 V Supply Current Icc 180 mA Transmitter Input differential impedance Rin 100 1 Single ended data input swing Vin pp 90 800 mV Transmit Disable Voltage VD 2 Vcc V 2 Transmit Enable Voltage VEN Vee Vee 0 8 V Receiver Single ended data output swing RS 1 Vout pp 185 425 mV 3 Single ended data output swing RS 0 Vout pp 185 800 mV 3 Data Output Rise Fall Time 2 125 4 25 Gb s tr tf 120 ps 4 Data Output Rise Fall Time 8 5 Gb s tr tf 60 ps 4 LOS Fault VLOS fault 2 VccHOST V 5 LOS Normal VLOS norm Vee Vee 0 8 V 5 Power Supply Rejection PSR 100 mVpp 6 Deterministic Jitter Contribution 2 125 Gb s RX DJ 47 1 ps Total Jitter Contribution 2 125 Gb s RX TJ 123 5 ps 7 Deterministic Jitter Contribution 4 25 Gb s RX DJ 23 5 ps Total Jitter Contribution 4 25 Gb s RX TJ 61 8 ps 8 Deterministic Jitter 8 5 Gb s RX DJ 49 4 ps 8 Pulse Width Shrinkage 8 5 Gb s RX DDPWS 42 4 ps 8 Total Jitter 8 5 Gb s RX TJ 83 5 ps 8 Notes 1 Connected directly to TX data input pins AC coupling from pins into laser driver IC
10. ontribution 2 125 Gb s TX DJ 56 5 ps Total Jitter Contribution 2 125 Gb s TX TJ 119 6 ps 4 Deterministic Jitter Contribution 4 25 Gb s TX DJ 28 2 ps Total Jitter Contribution 4 25 Gb s TX TJ 59 8 ps 4 Receiver Receiver OMA Sensitivity 2 125 Gb s RxSENS 49 W Receiver OMA Sensitivity 4 25 Gb s RxSENS 61 W Receiver OMA Sensitivity 8 5 Gb s RxSENS 76 W Average Receiver Power RxMAX 0 dBm Optical Center Wavelength C 770 860 nm Optical Return Loss 12 dB LOS De Assert LOSD 18 dBm LOS Assert LOSA 30 dBm LOS Hysteresis 0 5 dB Notes 1 Class 1 Laser Safety per FDA CDRH and EN IEC 60825 laser safety standards 2 Unfiltered 20 80 Complies with FC 1x and 2x eye mask when filtered 3 TWDP is calculated with a 1 0 equalizer and a 6 860 MHz Gaussian filter for the fiber simulation Jitter values at T and R are controlled by TWDP and stress receiver sensitivity 4 If measured with TJ free data input signal In actual application output TJ will be given by 2 2 DJ TJ DJ TJ DJ DJ TJ IN IN IN OUT FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 6 VI General Specifications Parameter Symbol Min Typ Max Units Ref Data Rate BR 2 125 4 25 8 5 Gb sec 1 Bit Error Rate BER 10 12 2 Fiber Length on 50 1
11. sured RX received average optical power DDRx Power 18 0 dBm Max Reporting Range Internally measured transceiver temperature DDTemperature 40 125 C Internally measured transceiver supply voltage DDVoltage 2 8 4 0 V Measured TX bias current DDBias 0 20 mA Measured TX output power DDTx Power 10 2 dBm Measured RX received average optical power DDRx Power 20 0 dBm Notes 1 Accuracy of Measured Tx Bias Current is 10 of the actual Bias Current from the laser driver to the laser FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 9 X Mechanical Specifications Finisar s FTLF8528P3BxV SFP transceivers are compatible with the SFF 84322 specification for improved pluggable form factor FTLF8528P3BxV FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 10 XI PCB Layout and Bezel Recommendations FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 11 FTLF8528P3BxV Pluggable SFP Product Specification January 2011 Finisar Corporation Jan 25 2011 Rev A 3 Page 12 XII References a Fibre Channel Physical Interface 4 Specification FC PI 4 Rev 8 00 American National Standard for Information Systems May 21 2008 b Improved Pluggable Form Factor SFF Document
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