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? finisar corporation - march 2009 rev. b page 1 product specification rohs-6 compliant 10gb/s extended temperature 10km single mode datacom sfp+ transceiver FTLX1471D3BNL product features ? hot-pluggable sfp+ footprint ? supports 9.95 to 10.5gb/s bit rates ? power dissipation < 1w ? rohs-6 compliant (lead-free) ? extended temperature range -5c to 85c ? single 3.3v power supply ? maximum link length of 10km ? uncooled 1310nm dfb laser ? receiver limiting electrical interface ? duplex lc connector ? built-in digital di agnostic functions applications ? 10gbase-lr/lw 10g ethernet ? 1200-sm-ll-l 10g fibre channel finisar?s extended temperat ure FTLX1471D3BNL 10gb/s enha nced small form factor pluggable sfp+ transceivers ar e designed for use in 10-giga bit ethernet links up to 10km over single mode fiber. they are complia nt with sff-8431 1 , sff-8432 2 , ieee 802.3ae 10gbase-lr/lw 3 and 10g fibre channel 1200-sm-ll-l 4 . digital diagnostics functions are availabl e via a 2-wire seri al interface, as specified in sff-8472 5 . the FTLX1471D3BNL is a ?limiting module?, i.e ., it employs a limiting receiver. host board designers using an edc phy ic should follow the ic manufacturer?s recommended settings for interoperating the host-board edc phy with a limiting receiver sfp+ module. the transceiver is rohs compliant and lead free per directive 2002/95/ec 6 , and finisar application note an-2038 7 . product selection FTLX1471D3BNL
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 2 i. pin descriptions pin symbol name/description ref. 1 v eet transmitter ground 1 2 t fault transmitter fault 2 3 t dis transmitter disable. laser output disabled on high or open. 3 4 sda 2-wire serial interface data line 2 5 scl 2-wire serial interface clock line 2 6 mod_abs module absent. grounded within the module 2 7 rs0 rate select 0. not used. 4 8 rx_los loss of signal indication. logic 0 indicates normal operation. 5 9 rs1 rate select 1. not used. 4 10 v eer receiver ground 1 11 v eer receiver ground 1 12 rd- receiver inverted data out. ac coupled. 13 rd+ receiver non-inverted data out. ac coupled. 14 v eer receiver ground 1 15 v ccr receiver power supply 16 v cct transmitter power supply 17 v eet transmitter ground 1 18 td+ transmitter non-inverted data in. ac coupled. 19 td- transmitter inverted data in. ac coupled. 20 v eet transmitter ground 1 notes : 1. circuit ground is internally isolated from chassis ground. 2. t fault 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 + 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 <0.8v. 3. laser output disabled on t dis >2.0v or open, enabled on t dis <0.8v. 4. internally pulled down per sff-8431 rev 2.0. 5. los is open collector output. should be pulled up with 4.7k ? 10k on host board to a voltage between 2.0v and 3.6v. logic 0 indicates normal operation; logic 1 indicates loss of signal. figure 1. diagram of host board co nnector block pin numbers and names. veet veet veer veer td- td+ rd+ rd- vcct vccr veet veer tx_fault sd a scl mod_abs rs0 rx_los 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 towards a sic towards bezel tx_disable rs1
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 3 ii. absolute maximum ratings exceeding the limits below may damage the transceiver module permanently. parameter symbol min typ max unit ref. maximum supply voltage vcc -0.5 4.0 v storage temperature t s -40 85 c relative humidity rh 0 85 % 1 1. non-condensing. iii. electrical characteristics (t op = -5 to 85 c, v cc = 3.14 to 3.46 volts) parameter symbol min typ max unit ref. supply voltage vcc 3.14 3.30 3.46 v supply current icc 200 285 ma transmitter input differential impedance r in 100 1 differential data input swing vin,pp 180 700 mv transmit disable voltage v d 2 vcc v transmit enable voltage v en vee vee+ 0.8 v receiver differential data output swing vout,pp 300 850 mv 2,6 output rise time and fall time t r , t f 28 ps 3 los fault v los fault 2 vcc host v 4 los normal v los norm vee vee+0.8 v 4 power supply noise tolerance vcct/vccr per sff-8431 rev 3.0 mvpp 5 notes : 1. connected directly to tx data input pins. ac coupling from pins into laser driver ic. 2. into 100 differential termination. 3. 20 ? 80%. measured with module compliance test board and oma test pattern. use of four 1?s and four 0?s sequence in the prbs 9 is an acceptable alternative. sff-8431 rev 3.0. 4. los is an open collector output. should be pulled up with 4.7k ? 10k on the host board. normal operation is logic 0; loss of signal is logic 1. 5. see section 2.8.3 of sff-8431 rev 3.0. 6. the FTLX1471D3BNL is a ?limiting module?, i.e., it employs a limiting receiver. host board designers using an edc phy ic should follow the ic manufacturer?s recommended settings for interoperating the ho st-board edc phy with a lim iting receiver sfp+ module.
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 4 iv. optical characteristics (t op = -5 to 85 c, v cc3 = 3.14 to 3.46 volts) parameter symbol min typ max unit ref. transmitter optical modulation amplitude (oma) p oma -5.2 dbm average launch power p ave -8.2 +0.5 dbm 1 optical wavelength 1260 1355 nm side-mode suppression ratio smsr 30 db optical extinction ratio er 3.5 db transmitter and dispersion penalty tdp 3.2 db average launch power of off transmitter p off -30 dbm tx jitter tx j per 802.3ae requirements relative intensity noise rin -128 db/hz receiver receiver sensitivity (oma) @ 10.5gb/s r sens1 -12.6 dbm 2 stressed receiver sensitivity (oma) @ 10.3gb/s r sens2 -10.3 dbm 3 average receive power p ave -14.2 +0.5 dbm optical center wavelength c 1260 1600 nm receiver reflectance r rx -12 db los de-assert los d -17 dbm los assert los a -30 dbm los hysteresis 0.5 db notes : 1. average power figures are info rmative only, pe r ieee 802.3ae. 2. valid between 1260 and 1355 nm. measured with worst er; ber<10 -12 ; 2 31 ? 1 prbs. 3. valid between 1260 and 1355 nm. per ieee 802.3ae. v. general specifications parameter symbol min typ max units ref. bit rate br 9.95 10.5 gb/s 1 bit error ratio ber 10 -12 2 max. supported link length l max 10 km 1 notes : 1. 10gbase-lr, 10gbase-lw, 1200-sm-ll-l. contact finisar for higher data rate support. 2. tested with a 2 31 ? 1 prbs @10 -12 ber. vi. environmental specifications finisar FTLX1471D3BNL transcei vers have an extended op erating case temperature range of -5c to +85c. parameter symbol min typ max units ref. case operating temperature t op -5 85 c storage temperature t sto -40 85 c
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 5 vii. regulatory compliance finisar transceivers are cla ss 1 laser products and comply with us fda regulations. these products are certified by tv and csa to meet the class 1 eye safety requirements of en (iec) 60825 and the electrical sa fety requirements of en (iec) 60950. copies of cer tificates are available at fi nisar corporation upon request.
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 6 viii. digital di agnostic functions finisar FTLX1471D3BNL extended temperature sfp+ transcei vers support the 2-wire serial communication protocol as defined in the sfp msa 1 . it is very closely related to the e 2 prom 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 interf aces, manufacturer, a nd other information. additionally, finisar sfp+ tran sceivers provide a enhanced digital diagnostic monitoring interface, which allows real-time access to device operating pa rameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply volta ge. it also defines a sophis ticated system of alarm and warning flags, which alerts e nd-users when particular opera ting parameters are outside of a factory set normal range. the sfp msa defines a 256-byte memory map in e 2 prom that is a ccessible over a 2-wire serial interface at the 8 bit address 1010000x (a 0h). the digital diagnostic monitoring interface makes us e of the 8 bit address 1010001x (a2h), so the originally defined serial id memory ma p remains unchanged. the interfa ce is identical to, and is thus fully backward compatible with bot h the gbic specification and the sfp multi source agreement. the complete interface is described in finisar application note an- 2030: ?digital diagnostics monitoring inte rface for sfp optical transceivers?. the operating and diagnostics information is monitored and reported by a digital diagnostics transceiver contro ller (ddtc) inside the transceiver, which is accessed through a 2-wire serial interface. when the seri al protocol is activat ed, 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 e 2 prom that are not wr ite-protected. the negative edge clocks da ta from the sfp transceiver. th e serial data signal (sda, mod def 2) is bi-directional for serial data tr ansfer. the host uses s da in conjunction with scl to mark the start and end of serial pr otocol activation. the me mories are organized as a series of 8-bit data wo rds that can be addressed i ndividually or sequentially. for more information, please see the sfp msa documentation 1,5 and finisar application note an-2030. please note that eval uation board fdb-1027 is availa ble with finisar moddemo software that allows simple to use comm unication over the 2-wire serial interface.
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 7 ix. digital diagnos tic specifications extended temperature ftlx1471d3b nl transceivers can be us ed in host systems that require either internally or externally calibrated digital diagnostics. parameter symbol min typ max units ref. accuracy internally measured transceiver temperature dd temperature 3 oc internally measured transceiver supply voltage dd voltage 3 % measured tx bias current dd bias 10 % 1 measured tx output power dd tx-power 2 db measured rx received average optical power dd rx-power 2 db dynamic range for rated accuracy internally measured transceiver temperature dd temperature -5 85 oc internally measured transceiver supply voltage dd voltage 3.1 3.5 v measured tx bias current dd bias 10 90 ma measured tx output power dd tx-power -8.2 +0.5 dbm measured rx received average optical power dd rx-power -14.2 +0.5 dbm max reporting range internally measured transceiver temperature dd temperature -40 125 oc internally measured transceiver supply voltage dd voltage 2.8 4.0 v measured tx bias current dd bias 0 20 ma measured tx output power dd tx-power -10 +2 dbm measured rx received average optical power dd rx-power -22 +2 dbm notes : 1. accuracy of measured tx bias current is 10% of the actual bias current from the laser driver to the laser.
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 8 x. mechanical specifications finisar extended temperature FTLX1471D3BNL sfp+ transceive rs are compatible with the sff-8432 specification for improved plugga ble form factor, and shown here for reference purposes only. bail color is blue. figure 2. FTLX1471D3BNL me chanical dimensions.
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 9 xi. pcb layout and be zel recommendations figure 3
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 10 figure 4 figure 5
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 11 xii. host - transcei ver interface block diagram figure 6-host-module interface
FTLX1471D3BNL datacom sfp+ prod uct specification ? march 2009 ? finisar corporation - march 2009 rev.b page 12 xiii. references 1. ?specifications for enhanced 8.5 and 10 gigabit small form factor pluggable module ?sfp+ ??, sff docume nt number sff-8431, revision 3.0. 2. ?improved pluggable form factor?, sff document nu mber sff-8432, revision 4.2, april 18, 2007. 3. ieee std 802.3ae, clause 52, pmd type 10gbase-lr. ieee standards department. 4. american national st andard for inform ation technology - fibre channel - 10 gigabit fibre channel, rev 3.5, april 9, 2003. 5. ?digital diagnostics monitori ng interface for optical tran sceivers?. sff document number sff-8472, revision 10.1, march 1, 2007. 6. 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. 7. ?application note an-2038: finisar implementation of rohs compliant transceivers?, finisar corporation, january 21, 2005. xiv. 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

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