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f i n i s a r fini sa r c orporation april, 2012 rev k page 1 product specification 4.25 gigabit rohs compliant cwdm sfp transceiver fwlf1 6 2 5 p2l xx product features up to 4.25 gb/s bi - directional data links hot - pluggable sfp footprint built - in digital diagnostic functions cwdm dfb laser transmitter dupl ex lc connector rohs compliant up to 80 km on 9/125 m smf at 4.25 gb/s with ber=1e - 12 single 3.3v power supply commercial operating temperature range: - 5c to 75c applications metro access rings and point - to - point networking for gigabit ethernet and fibre channel link concatenation/aggregation finisars fwlf1 6 2 5 p2 y xx small form factor pluggable (sfp) transceiver is compatible with the small form factor pluggable multi - sourcing agreement (msa) 1 . the transceiver is designed for operation in metro acc ess rings and point - to - point networks using fibre channel 2 , gigabit ethernet 3 , or sonet networking equipment by selecting the appropriate line rate. the fwlf1 6 2 5 p 2 y x x available in eight different cwdm wavelengths; and is rohs compliant and lead - free per di rective 2002/95/ec 4 and finisar application note an - 2038.
f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 2 product selection fwlf 1625 p2l xx wavelength xx clasp color code wavelength xx clasp color code 147 1 nm 47 gray 155 1 nm 55 yellow 149 1 nm 49 violet 157 1 nm 57 o range 151 1 nm 51 blue 159 1 nm 59 red 153 1 nm 53 green 161 1 nm 61 brown l non rate selectable - 1x, 2x, 4x fibre channel xx cwdm wavelength (see table below)
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 3 i. pin descriptions pin symbol name/description ref. 1 v eet transmitter ground (common with receiver ground) 1 2 t fault transmitter fault. not supported. 3 t dis transmitter d isable. laser output disabled on high or open. 2 4 mod_def(2) module definition 2. data line for serial id. 3 5 mod_def(1) module definition 1. clock line for serial id. 3 6 mod_def(0) module definition 0. grounded within the module. 3 7 rate select un used 4 8 los loss of signal indication. logic 0 indicates normal operation. 5 9 v eer receiver ground (common with transmitter ground) 1 10 v eer receiver ground (common with transmitter ground) 1 11 v eer receiver ground (common with transmitter gro und) 1 12 rd - receiver inverted data out. ac coupled 13 rd+ receiver non - inverted data out. ac coupled 14 v eer receiver ground (common with transmitter ground) 1 15 v ccr receiver power supply 16 v cct transmitter power supply 17 v eet transmitte r ground (common with receiver ground) 1 18 td+ transmitter non - inverted data in. ac coupled. 19 td - transmitter inverted data in. ac coupled. 20 v eet transmitter ground (common with receiver ground) 1 notes : 1. circuit ground is internally isolated from chassis ground. 2. laser output disabled on t dis >2.0v or open, enabled on t dis <0.8v. 3. should be pulled up with 4.7k - 10 kohms on host board to a voltage between 2.0v and 3.6v. mod_def(0) pulls line low to indicate module is plugged in. 4. los is open col lector output. should be pulled up with 4.7k C 10 kohms on host board to a voltage between 2.0v and 3.6v. logic 0 indicates normal operation; logic 1 indicates loss of signal. pinout of connector block on host board ii. absolute maximum ratings para meter symbol min typ max unit ref. maximum supply voltage vcc - 0.5 4.5 v storage temperature t s - 40 85 c veet veet veer veer td- td+ rd+ rd- vcct vccr veet veer txfault mod-def(2) mod-def(1) mod-def(0) rate select los 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 towards asic towards bezel tx disable veer
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 4 case operating temperature t op - 5 75 c relative humidity rh 0 85 % 1 iii. electrical characteristics (t op = - 5 to 75 c , v cc = 3.1 to 3. 5 volts ) parameter symbol min typ max unit ref. supply voltage vcc 3.1 35 3. 465 v supply current icc 350 ma transmitter input differential impedance r in 100 2 single ended data input swing vin,pp 125 800 mv transmit disable voltage v d vcc C en vee vee+ 0.8 v transmit disable assert time 10 us receiver single ended data output swing vout,pp 300 4 70 mv 4 data output rise/fall time < 4.25 gb/s t r, t f 175 ps 5 data output rise/fall time = 4.25 gb/s t r, t f 120 ps 5 los fault v los fault vcc C host v 6 los normal v los norm vee vee+0.5 v 6 power supply rejection psr 100 mvpp 7 de terministic jitter contribution < 4.25 gb/s rx dj 51.7 ps 8 total jitter contribution < 4.25 gb/s rx tj 122.4 ps deterministic jitter contribution = 4.25 gb/s rx dj 25.9 ps 8 total jitter contribution = 4.25 gb/s rx tj 61.2 ps notes : 1. non - condensing. 2. ac coupled. 3. or open circuit. 4. into 100 ohm differential termination. 5. 20 C 80 % 6. los is lvttl. logic 0 indicates normal operation; logic 1 indicates no signal detected. 7. all transceiver specifications are compliant with a power supply sinusoidal modulation of 20 hz to 1.5 mhz up to specified value applied through the power supply filtering network shown on page 23 of the small form - factor pluggable (sfp) t ransceiver multisource agreement (msa) 1 , september 14, 2000. 8. measured with dj - free data input signal. in actual application, output dj will be the sum of input dj and dj.
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 5 iv. optical characteristics (t op = - 5 to 75 c, v cc = 3.1 t o 3.5 volts ) parameter symbol min typ max unit ref. transmitter output opt. power (rate select high) p o,rh +1 +5 dbm 1 output opt. power (rate select low) p o,rl +1 +5 dbm 2 ,3 optical wavelength x - 6.5 x x+6.5 nm 4 spectral width 1 nm optical extinction ratio er 4 .5 db rin - 120 db/hz deterministic jitter contribution = 4.25 gb/s tx dj 28.2 ps 5 total jitter contribution = 4.25 gb/s tx tj 59.8 ps deterministic jitter contribution 2.125 gb/s tx dj 56.5 ps 5 total jitter contribution 2.125 gb/s tx tj 119 ps receiver receiver sensitivity = 4.25 gb/s r sens 4 5 . 6 u w 6 average received power rx max - 8 dbm optical center wavelength c 1260 1620 nm return loss 12 db los de - assert los d - 2 6 dbm 7 los assert los a - 4 2 dbm 8 los hysteresis 0.5 db notes : 1. high bandwidth mode. class 1 laser safety per fda/cdrh and en (iec) 60825 regulations. 2. low bandwidth mode. class 1 laser safety per fda/cdrh and en (iec) 60825 regulations. 3. applicable for rate selectable version only in low bandwidth mode. 4. over case temperature of - 5 to 75 c. the transmitter center wavelength x is as specified by the customer . the current availabl e wavelengths are: 1471, 1491, 1511, 1531, 1551, 1571, 1591, and 1611 nm. please see the prod uct selection section on page 2 . 5. measured with dj - free data input signal. in actual application, output dj will be the sum of input dj and dj. 6. measured with conformance signals defined in fc - pi - 2 rev . 10.0 specifications. value in oma. measured with prbs 2 7 - 1 at 10 - 12 ber. 7. er of reference tx >= 6db 8. er of reference tx <= 6db v. general specifications parameter symbol min typ max unit s ref. data rate br 1062 4250 mb/sec 1 bit error rate ber 10 - 12 2 dipsersion penalty at 4.25gpbs, 80km 9/125um smf dp 3 db 3 notes : 1. gigabit ethernet and 1x/2x/4x fibre channel compliant . 2. tested with a prbs 2 7 - 1 test pattern @4.25g 3. with 80km smf (1600ps/nm), @ber=1e - 12, max case t=75 o c
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 6 vi. environmental specifications parameter symbol min typ max units ref. case operating temperature for 4/5g t op - 5 75 c storage temperature t sto - 40 85 c vii. regulatory compliance finisar tran sceivers are class 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 safety requirements of en (iec) 60950. copies of certific ates are available at finisar corporation upon request.
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 7 viii. digital diagnostic functions all finisar sfps support the 2 - wire serial communication protocol outlined in the sfp msa 5 . these sfps use an atmel at24c01a 128 byte e 2 prom with an address of a0 h (see table below for e 2 prom contents). for details on interfacing with the e 2 prom, see the atmel data sheet titled at24c01a/02/04/08/16 2 - wire serial cmos e 2 prom. 6 finisars cwdm sfps also support extended diagnostic features as described in finisar a pplications note an - 2030, digital diagnostic monitoring interface for optical transceivers 7 , and additional information is available in sff standard titled: digital diagnostic monitoring interface for optical transceivers 8 (sff - 8472 rev9.3). a controlle r ic that monitors system parameters such as laser current, module temperature, transmitter power, and received power is accessible at address a2h. i2c clock speed, digital diagnostic accuracy and digital diagnostic range can be found in the table below. values in the table represent the worst - case values over temperature, voltage, and life. parameter symbol min typ max units notes/conditions i 2 c clock speed 0 100,000 hz bus can be driven blind accuracy transceiver temperature dd temperature - 5 + 5 c case temperature transceiver supply voltage dd voltage - 3 +3 % tx bias curent dd bias - 10 +10 % tx output power dd txpower - 3 + 3 db received average power dd rxpower - 3 + 3 db range transceiver temperature dd temperature - 10 80 c transceiv er supply voltage dd voltage 3.0 4.0 v tx bias current dd bias 0 100 ma tx output power dd txpower - 10 + 7 dbm received average power dd rxpower - 2 8 - 7 dbm
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 8 ix. mechanical specifications finisars small form factor pluggable (sfp) transceivers ar e compatible with the dimensions defined by the sfp multi - sourcing agreement (msa) 1 . fwlf1 6 2 5 p2 y xx outline drawing
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 9 x. pcb layout and bezel recommendations
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 10
fwlf1 625 p2yxx sfp product specificati on C april 2012 f i n i s a r fini sar c orporation april, 2012 rev k , preliminary page 11 xi. references 1. small form - factor pluggable ( sfp) transceiver multi - source agreement (msa), september 14, 2000. 2. fibre channel draft physical interface specification (fc - pi - 2 rev. 10.0). american national standard for information systems. 3. ieee std 802.3, 2002 edition, clause 38, pmd type 1000base - lx. ieee standards department, 2002. 4. 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. 5. small form factor pluggable (sfp) transceiver multi - source agreement (msa), september 2000. documentation is currently available at finisar upon request. 6. at24c01a/02/04/08/16 2 - wire serial cmos e 2 prom, atmel corporation. www.atmel.com 7. application note an - 2030: digital diagnostic monitoring interface for optical transceivers, finisar corporation, april 2002. 8. digital diagnostic monitoring interface for optical transceivers rev 9.3. sff document no. sff - 8472. xii. 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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