preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 features 1.25gbps bi-directional data links 40km transmission distance with 9/125 #m smf 1310nm un-cooled dfb laser pin photodiode receiver class i laser product digital diagnostic monitor interface compatible with sff-8472 sfp msa package with duplex lc receptacle with spring latch for high density application very low emi and excellent esd protection single 3.3v power supply operating case temperature: standard: -5 to +70c extended: -20 to +85c industrial: -40 to +85c 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. rohs 2002/95/ec 4.1&4.2 2005/747/ec compliant with rohs 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 %
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 recommended operating conditions table 3 C recommended operating conditions parameter symbol min. typical max. unit notes operating case temperature sp-gb-ex-cdfb t c -5 +70 c SP-GB-EX-RDFB -20 +85 sp-gb-ex-idfb -40 +85 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 1.25 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 -5 0 dbm 1 p 0ut @tx disable asserted p 0ut -45 dbm 1 spectral width (rms) 1 nm extinction ratio ex 9 db rise/fall time (20% 80%) t r /t f 0.26 ns 2 total jitter tj 0.481 ui 3 deterministic jitter dj 0.25 ui 3 output optical eye ieee 802.3z and ansi fibre chann el compatible 4 receiver centre wavelength c 1260 1580 nm receiver sensitivity -23 dbm 5 receiver overload -3 dbm return loss 12 db los de-assert los d -23 dbm los assert los a -35 dbm los hysteresis 1 4 db total jitter (pk-pk) tj 0.749 ui 3 deterministic jitter (pk-pk) dj 0.462 ui 3 notes: 1. the optical power is launched into smf. 2. unfiltered, measured with a prbs 2 7 -1 test pattern @1.25gbps 3. measured with a prbs 2 7 -1 test pattern@1.25gbps, meet the specified maximu m output jitter requirements if the specified maximum input jitter is present. 4. measured with a prbs 2 7 -1 test pattern @ 1.25gbps.
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 5. measured with a prbs 2 7 -1 test pattern @1.25gbps, extinction ratio er=9db, 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 n 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
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 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 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
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 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 indicates normal operation; logic 1 indicates a laser fault of some kind. in the low state, the out put will be pulled 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 vc cr. 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 indica tes normal operation; logic 1 indicates loss of sig nal. 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 100n differential lines which should be terminated with 100n (differential) at th e user serdes. 6. these are the differential transmitter inputs. t hey are ac-coupled, differential lines with 100n di fferential termination inside the module.
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 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 1000base- lx,long distance (l); longwave laser (lc) 11 1 encoding 01 8b10b 12 1 br, nominal 0d 1.25gbps 13 1 reserved 00 14 1 length (9um)-km 28 40km 15 1 length (9um) ff 40km 16 1 length (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 58 xx 44 46 42 20 20 20 20 20 20 spgbexxdfb (asc ) 5659 4 vendor rev 31 30 20 20 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 8491 8 vendor date code xx xx xx xx xx xx 20 20 year (2 bytes), month (2 bytes), day (2 bytes) 92 1 diagnostic type 58 diagnostics (external. cal) 93 1 enhanced b0 diagnostics(optional alarm/warning flags,
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 option soft tx_fault and soft tx_los monitoring) 94 1 sff-8472 02 diagnostics(sff-8472 rev 9.4) 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 sff-8472 rev 9.5. monitoring specification the digital diagnostic monitoring interface also de fines another 256-byte memory map in eeprom, which makes use of the 8 bit address 1010001x (a2h) . please see figure 4. for detail eeprom information, please refer to the related document o f sff-8472 rev 9.5. the monitoring specification of this product is described in table 8. figure 4, eeprom memory map specific data field des criptions table 8 - monitoring specification parameter range accuracy calibration temperature sp-gb-ex-cdfb -10 to +80c 3c external SP-GB-EX-RDFB -20 to +95c 3c external sp-gb-ex-idfb -40 to +95c 3c external voltage 2.97 to 3.63v 3% external bias current 3 to 60ma 10% external tx power -6 to +1dbm 3db external rx power -23 to -2dbm 3db external
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 mechanical diagram units in mm(inch) figure 5, mechanical design diagram of the sfp order information table 9 C order information part no. application data rate laser source fiber type sp-gb-ex-cdfb (c-temp) 1000base-ex 1.25gbps 1310nm ? dfb smf SP-GB-EX-RDFB (r-temp) 1000base-ex 1.25gbps 1310nm ? dfb smf sp-gb-ex-idfb (i-temp) 1000base-ex 1.25gbps 1310nm ? dfb smf warnings handling precautions: this device is susceptible to damage as a result o f electrostatic discharge (esd). a static free environment is highly recommended. foll ow guidelines 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.
preliminary sp-gb-ex-xdfb ds - 5 9 86 rev 0 2 2010 - 5 - 6 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 preliminary are given to describe components only , and source photonics expressly disclaims any and all warranties for said products, including express, im plied, and statutory warranties, warranties of merc hantability, fi tness for a particular purpose, and non-infringe ment of proprietary rights. please refer to the com panys terms and conditions of sale for further warranty i nformation. source photonics assumes no liability for applicati ons assistance, customer product design, software performance, or infringement of patents, services, or intellectual property described herein. no licen se, either express or implied, is granted under any patent rig ht, copyright, or intellectual property right, and source photonics makes no representations or warranties th at the product(s) described herein are free from pa tent, copyright, or intellectual property rights. product s described in this document are not intended for u se in implantation or other life support applications whe re malfunction may result in injury or death to per sons. source photonics customers using or selling product s for use in such applications do so at their own r isk and agree to fully defend and indemnify source photonic s for any damages resulting from such use or 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 informat ion contained in this document. customer must conta ct source photonics to obtain the latest version of th is publication to verify, before placing any order, that the information 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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