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f i n i s a r finisar corporation april, 20 12 rev e page 1 product specification 4 gigabit rohs compliant cwdm sfp transceiver FWLF1524P2YXX product features up to 4.25gb/s bi-directional data links hot -pluggable sfp footprint built-in digital diagnostic functions cwdm dfb laser transmitter duplex lc connector rohs compliant and lead free up to 30 km on 9/125 m smf at 4.25 gb/s metal enclosure, for lower emi single 3.3v power supply commercial operating temperature range: -5c to 75c applications metro access rings and point- to - point networking for gigab it ethernet and fibre channel link concatenation/aggregation finisars FWLF1524P2YXX 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 access rings and point- to -point networks using fibre channel 2 gigabit ethernet 3 networking equipment by selecting the appropriate line rate. the FWLF1524P2YXX available in eight different cwdm wavelengths; and is rohs compliant and lead-free per directive 2002/95/ec 4 and finisar application note an-2038.
f i n i s a r finisar corporation april, 2012 rev e page 2 product selection FWLF1524P2YXX 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 orange 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 v rate selectable - 1x, 2x, 4x fibre channel and gigabit ethernet xx cwdm wavelength (see table below) y
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e 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 t ransmitter disable. 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 ra te select open or low = high = 1.063 gb/s or 2.125 gb/s fibre channel, 1.25 gb/s gigabit ethernet (low bandwidth) 2.125 or 4.25 gb/s fibre channel (high bandwidth) 4 8 los loss of signal indication. logic 0 indicates normal operation. 5 9 v eer receiv er ground (common with transmitter ground) 1 10 v eer receiver ground (common with transmitter ground) 1 11 v eer 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 v eer receiver ground (common with transmitter ground) 1 15 v ccr receiver power supply 16 v cct transmitter power supply 17 v eet 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 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. specific information when selecting line rate: rate selection is done in accordance with sff committee sff- 80 79 draft, rev.1.6, table 3. note that rate select can also be set through 2-wire bus in accordance with sff- 8472 6 at bit 3, byte 110, address a2h (note: writing 1 selects full bandwidth operation). rate select is the logic or of the input state of rate select pin and 2-wire bus. non rate selectable version can operate at 1x, 2x, 4x fibre channel independent of rate select pin setting. 5. los is open collector 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 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
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e page 4 ii. absolute maximum ratings parameter symbol min typ max unit ref. maximum supply voltage vcc - 0.5 4.5 v storage temperature t s - 40 85 c 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 3. 5 v supply current icc 300 ma transmitter input differential impedance r in 100 2 single ended data input swing vin,pp 250 1200 mv transmit disable voltage v d vcc C 1.3 vcc v 3 transmit enable voltage v en vee vee+ 0.8 v transmit disable assert time 1 0 us receiver single ended data output swing vout,pp 250 800 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 0.5 vcc host v 6 los normal v los norm vee vee+0.5 v 6 power supply rejection psr 100 mvpp 7 deterministic 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 jitt er 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. lo s 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) transceiver 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.
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e page 5 iv. optical characteristics (t op = -5 to 75 c, v cc = 3.1 to 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 optical wavelength x - 6.5 x x+6.5 nm 3 spectral width 1 nm 3 optical modulation amplitude oma 290 uw 4 optical extinction ratio ( rate select high ) er 4 db optical extinction ratio ( rate select low ) er 9 db optical rise/fall time = 4.25 gb/s t r / t f 105 ps 5 optical rise/fall time 2.125 gb/s t r / t f 160 ps 6 rin - 118 db/hz deterministic jitter contribution = 4.25 gb/s tx dj 28.2 ps 7 total jitter contribution = 4.25 gb/s tx tj 59.8 ps deterministic jitter contribution 2.125 gb/s tx dj 56.5 ps 7 total jitter contribution 2.125 gb/s tx tj 119 ps receiver receiver sensitivity = 4.25 gb/s r sens 4 29 - 16.5 uw db m 8 9 receiver sensitivity = 2.125 gb/s r sens2 15 - 20.5 uw dbm 8 9 receiver sensitivity = 1.06 gb/s r sens1 15 - 22.0 uw dbm 8 10 receiver sensitivity = 1.25 gb/s r sens - ge - 22 dbm 10 stressed rx sens. = 1.25 gb/s - 14.5 dbm average receiv ed power rx max 0 dbm receiver electrical 3db cutoff freq. 1500 mhz 11 receiver electrical 3db cutoff freq. 2500 mhz 12 optical center wavelength c 1450 1620 nm return loss 12 db los de - assert los d - 19 dbm los assert los a - 30 dbm 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. over case temperature of -5 to 75 c. the transmitter center wavelength x is as specified by the customer . the current available wavelengths are: 1471, 1491, 1511, 1531, 1551, 1571, 1591, and 1611 nm. please see the product selection section on page 2 . 4. equivalent extinction ration specification for fibre channel. allows smaller er at higher average power 5. unfiltered, 20- 80% measured w/ a 0000111 1 pattern . complies with fc 4x eye mask when filtered. 6. unfiltered, 20- 80% measured w/ a 00001111 pattern . complies with ieee 802.3 (gig. e), fc 1x and 2x eye masks when filtered. 7. measured with dj-free data input signal. in actual application, output dj will be the sum of input dj and dj. 8. 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. 9. represents sensitivity at minimum extinction ratio with rate select high. measured with prbs 2 7 -1 at 10 -12 ber.
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e page 6 10. represents sensitivity at minimum extinction ratio with rate select low. measured with prbs 2 7 -1 at 10 -12 ber 11. rate selectable version in low bandwidth mode. 12. rate selectable version in high bandwidth mode. v. general specifications parameter symbol min typ max units ref. data rate br 1062 4250 mb/sec 1 bit error rate ber 10 - 12 2 max. supported link length on 9/125 m smf @ 4x fibre channel l max1 30 km 3 max. supported link length on 9/125 m smf @ 1x and 2x fibre channel l max2 50 km 3 max. supported link length on 9/125 m smf @ gigabit ethernet l max3 50 km 3 notes : 1. gigabit ethernet and 1x/2x/4x fibre channel compliant . 2. tested with a prbs 2 7 -1 test pattern. 3. a 3 db penalty is included for dispersion on data rates >2gb/s amd 2db penalty is included for data rates <2gb/s . distances are indicative only. please refer to the optical specifications in table iv to calculate a more accurate link budget based on specific conditions in your application vi. environmental specifications parameter symbol min typ max units ref. case operating temperature t op - 5 75 c storage temperature t sto - 40 85 c vii. regulatory compliance finisar transceivers 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 certificates are available at finisar corporation upon request.
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e 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 a0h (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 d escribed in finisar applications 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 controller 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 temperatur e 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 100% tested in production over temp to 2 db received average power dd rxpower - 3 + 3 db 100% tested in production over temp to 2 db range transceiver temperature dd temperature - 10 80 c transceiver supply voltage dd voltage 3.0 4.0 v tx bias current dd bias 0 100 ma tx output power dd txpower - 10 + 5 dbm received average power dd rxpowe r - 25 + 1 dbm
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e page 8 ix. mechanical specifications finisars small form factor pluggable (sfp) transceivers are compatible with the dimensions defined by the sfp multi-sourcing agreement (msa) 1 . fwlf1524p2vxx outline drawi ng
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e page 9 x. pcb layout and bezel recommendations
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e page 10
FWLF1524P2YXX sfp product specification C april 20 12 f i n i s a r finisar corporation april, 2012 rev e 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). am erican 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. at24c0 1a/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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