sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 features dual data-rate 1.25gbps/1.0625gbps up to 20km transmission on smf 1310nm fp laser and pin photodetector sfp msa package with duplex lc connector standard serial id information compliant with sfp msa +3.3v single power supply operating case temperature: -5 to +70c rohs compliant regulatory compliance table 1 - regulatory compliance electrostatic discharge (esd) to the electrical pins mil-std-883e method 3015.7 class 1 electrostatic discharge (esd) to the duplex lc receptacle iec 61000-4-2 compliant with standards electromagnetic interference (emi) fcc part 15 class b compliant with standards laser eye safety fda 21cfr 1040.10 and 1040.11 en (iec) 60825-1,2 compliant with class i laser product. electrostatic discharge (esd) to the electrical pins mil-std-883e method 3015.7 class 1 absolute maximum ratings table 2 - absolute maximum ratings parameter symbol min. typical max. unit notes storage temperature t s -40 - +85 c supply voltage v cc -0.5 - +3.6 v operating relative humidity rh +5 - +95 %
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 recommended operating conditions table 3 C recommended operating conditions parameter symbol min. typical max. unit notes operating case temperature t c -5 - +70 c power supply voltage v cc 3.13 3.3 3.47 v power supply current i cc - - 300 ma power dissipation p d - - 1 w data rate 1.0625 1.25 gbps optical characteristics table 4 C optical characteristics transmitter parameter symbol min. typical max. unit notes centre wavelength c 1270 1310 1355 nm average output power p 0ut -8 -3 dbm 1 p 0ut @ tx disable asserted p 0ut -45 dbm 1 spectral width (rms) ? 2 4 nm extinction ratio ex 9 db rise/fall time (20% 80%) t r /t f 0.26 ns 2 total jitter 1.25g t j 0.431 ui 3 1.0625g 0.43 deterministic jitter 1.25g d j 0.2 ui 3 1.0625g 0.21 optical eye mask ieee 802.3ah and ansi fibre channe l compliant 4 receiver centre wavelength c 1260 1570 nm receiver sensitivity p in -22 dbm 5 receiver overload p in -3 dbm 5 return loss 12 db los assert los a -35 dbm los deassert los d -23 dbm los hysteresis 0.5 4 db total jitter 1.25g t j 0.749 ui 3 1.0625g 0.61 deterministic jitter 1.25g d j 0.462 ui 3 1.0625g 0.36 notes:
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 1. the optical power is launched into smf. 2. unfiltered, measured with a prbs 2 7 -1 test pattern @1.25gbps 3. meet the specified maximum output jitter require ments if the specified maximum input jitter is pres ent. 4. measured with a prbs 2 7 -1 test pattern @1.25gbps/1.0625gbps. 5. measured with a prbs 2 7 -1 test pattern @1.25gbps, worst-case extinction ra tio, ber 110 -12 . electrical characteristics table 5 C electrical characteristics transmitter parameter symbol min. typical max. unit notes data input swing differential v in 500 2400 mv 1 input differential impedance z in 90 100 110 k tx_dis disable v d 2.0 v cc v tx_dis enable v en gnd gnd+0.8 v tx_ fault (fault) 2.0 vcc+0.3 v tx_ fault (normal) 0 0.8 v receiver data output swing differential v out 370 2000 mv 1 rx_los fault v los-fault 2.0 vcc+0.3 v rx_los normal v los-normal gnd gnd+0.8 v notes: 1. internally ac coupled recommended host board power supply circuit figure 1, recommended host board power supply circu it
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 recommended interface circuit sfp module laser driver amplifier eeprom mod-def2 mod-def1 mod-def0 los rd - rd + td + td - vcct tx fault tx disable z=50 z=50 z=50 z=50 3 4.7k to 10k 10k rgnd host board serdat out + serdat out - serdat in - serdat in + vcc (+3.3v) serdes ic protocol ic 2 4.7k to 10k vcc (+3.3v) figure 2, recommended interface circuit pin definitions figure 3 below shows the pin numbering of sfp elect rical interface. the pin functions are described in table 6 with some accompanying notes. p in 1 0 p in 1 p in 1 1 p in 2 0 b o t t o m v ie w o f b o a r d o f b o a r d t o p v ie w figure 3, pin view
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 table 6 - pin function definitions pin no. name function plug seq. notes 1 veet transmitter ground 1 2 tx fault transmitter fault indication 3 note 1 3 tx disable transmitter disable 3 note 2 4 mod-def2 module definition 2 3 note 3 5 mod-def1 module definition 1 3 note 3 6 mod-def0 module definition 0 3 note 3 7 rate select not connected 3 8 los loss of signal 3 note 4 9 veer receiver ground 1 10 veer receiver ground 1 11 veer receiver ground 1 12 rd- inv. received data out 3 note 5 13 rd+ received data out 3 note 5 14 veer receiver ground 1 15 vccr receiver power 2 16 vcct transmitter power 2 17 veet transmitter ground 1 18 td+ transmit data in 3 note 6 19 td- inv. transmit data in 3 note 6 20 veet transmitter ground 1 notes : 1. tx fault is an open collector output, which shou ld be pulled up with a 4.7k~10k resistor on the host board to a voltage between 2.0v and vcc+0.3v. logic 0 indica tes normal operation; logic 1 indicates a laser fau lt of some kind. in the low state, the output will be pul led to less than 0.8v. 2. tx disable is an input that is used to shut down the transmitter optical output. it is pulled up wi thin the module with a 4.7k~10k resistor. its states are: low (0~0.8v): transmitter on (>0.8v, <2.0v): undefined high (2.0~3.465v): transmitter disabled open: transmitter disabled 3. mod-def 0,1,2 are the module definition pins. th ey should be pulled up with a 4.7k~10k resistor on the host board. the pull-up voltage shall be vcct or vccr. mod-def 0 is grounded by the module to indicate tha t the module is present mod-def 1 is the clock line of two wires serial int erface for serial id mod-def 2 is the data line of two wires serial inte rface for serial id 4. los is an open collector output, which should be pulled up with a 4.7k~10k resistor on the host board to a voltage between 2.0v and vcc+0.3v. logic 0 indicate s normal operation; logic 1 indicates loss of signa l. in the low state, the output will be pulled to less than 0 .8v. 5. these are the differential receiver output. they are internally ac-coupled 100k differential lines which should
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 be terminated with 100k (differential) at the user serdes. 6. these are the differential transmitter inputs. t hey are ac-coupled, differential lines with 100k di fferential termination inside the module. eeprom information the sfp msa defines a 256-byte memory map in eeprom describing the transceivers capabilities, standar d interfaces, manufacturer, and other information, wh ich is accessible over a 2 wire serial interface at the 8-bit address 1010000x (a0h). the memory contents refer t o table 7. table 7 - eeprom serial id memory contents (a0h) addr. field size (bytes) name of field hex description 0 1 identifier 03 sfp 1 1 ext. identifier 04 mod4 2 1 connector 07 lc 310 8 transceiver 00 00 00 02 12 00 01 01 transmitter code 11 1 encoding 01 8b10b 12 1 br, nominal 0d 1.25gbps 13 1 reserved 00 14 1 length (9um)-km 14 20km 15 1 length (9um) c8 20km 16 1 len gth (50um) 00 17 1 length (62.5um) 00 18 1 length (copper) 00 19 1 reserved 00 2035 16 vendor name 53 4f 55 52 43 45 50 48 4f 54 4f 4e 49 43 53 20 sourcephotonics(asc ) 36 1 reserved 00 3739 3 vendor oui 00 1f 22 4055 16 vendor pn 53 50 47 42 45 4c 58 43 4e 46 4d 20 20 20 20 20 spgbelxcnfm (asc ) 5659 4 vendor rev xx xx xx xx asc ( 31 30 20 20 means 1 .0 revision) 60-61 2 wavelength 05 1e 1310nm 62 1 reserved 00 63 1 cc base xx check sum of bytes 0 - 62 6465 2 options 00 1a los, tx_fault and tx_disable 66 1 br, max 00 67 1 br, min 00 6883 16 vendor sn xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx asc .
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 8491 8 vendor date code xx xx xx xx xx xx 20 20 year (2 bytes), month (2 bytes), day (2 bytes) 9294 3 reserved 00 00 00 95 1 cc_ext xx check sum of bytes 64 - 94 96255 160 vendor specific note: the xx byte should be filled in according t o practical case. for more information, please refe r to the related document of sfp multi-source agreement (msa ). mechanical diagram units in mm(inch) figure 4, mechanical design diagram of the sfp order information table 8 C order information part no. application data rate laser source fiber type SP-GB-ELX-CNFM gbe 20km 1.25gbps 1310nm fp smf
sp - gb - e lx - cnf m ds - 5 747 rev 0 2 20 10 - 05 - 06 warnings handling precautions: this device is susceptible to damage as a result o f electrostatic discharge (esd). a static free environment is highly recommended. follow guid elines according to proper esd procedures. laser safety: radiation emitted by laser devices can be dangerou s to human eyes. avoid eye exposure to direct or indirect radiation. legal notice important notice! all information contained in this document is subje ct to change without notice, at source photonicss sole and absolute discretion. source photonics warrants perf ormance of its products to current specifications o nly in accordance with the companys standard one-year war ranty; however, specifications designated as preli minary are given to describe components only, and source p hotonics expressly disclaims any and all warranties for said products, including express, implied, and statutory warranties, warranties of merchantability, fi tnes s for a particular purpose, and non-infringement of proprietary rights . please refer to the companys terms and condition s of sale for further warranty information. source photonics assumes no liability for applicati ons assistance, customer product design, software p erformance, or infringement of patents, services, or intellectu al property described herein. no license, either ex press or implied, is granted under any patent right, copyright, or in tellectual property right, and source photonics mak es no representations or warranties that the product(s) d escribed herein are free from patent, copyright, or intellectual property rights. products described in this documen t are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. source photonics customers us ing or selling products for use in such applications do so at their own risk and agree to fully defend and in demnify source photonics for any damages resulting from such use o r sale. the information contained in this document is provi ded on an as is basis. customer agrees that source photonics is not liable for any actual, consequential, exemplary, or other damages arising directly or indirectly from any use of the information containe d in this document. customer must contact source ph otonics to obtain the latest version of this publication to ve rify, before placing any order, that the informatio n contained herein is current. contact u.s.a. headquarters 20550 nordhoff street chatsworth, ca 91311 usa tel: +1-818-773-9044 fax: +1-818-773-0261 china building #2&5, west export processing zone no. 8 kexin road, hi-tech zone chengdu, 611731, china tel: +86-28-8795-8788 fax: +86-28-8795-8789 taiwan 9f, no 81, shui lee rd. hsinchu, taiwan, r.o.c. tel: +886-3-5169222 fax: +886-3-5169213 ? copyright source photonics, inc. 2007~2008 all rights reserved
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