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SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 features z support ieee 802.3ah?-2004 1000base-px20 gepon olt side application z single fiber bi-directional data links with symmetric 1.25gbps upstream and downstream z integrated with micro-optics wdm filter for dual wavelength tx/rx operation at 1490/1310nm z 1490nm continuous-mode transmitter with dfb laser z 1310nm burst-mode receiver with apd-tia z support more than 24db dynamic range z digital diagnostic interface compliant with sff-8472 rev 9.5 z digital receiving signal strength indication (rssi) z single 3.3v power supply z maximum 1w total power dissipation z spring-latch sfp (small form-factor pluggable) package with sc receptacle optical interface. z operating case temperature: 0~70c z rohs compliance regulatory compliance table 1 - absolute maximum ratings feature standard performance electrostatic discharge (esd) to the electrical pins mil-std-883e method 3015.7 class 1(>500 v) electrostatic discharge (esd) to the duplex lc receptacle iec 61000-4-2 compatible with standards electromagnetic interference (emi) fcc part 15 class b en55022 class b (cispr 22b) compatible with standards immunity iec 61000-4-3 compatible with standards laser eye safety fda 21cfr 1040.10 and 1040.11 en60950, en (iec) 60825-1,2 compatible with class i laser product. component recognition ul and csa compliant with standards rohs 2002/95/ec 4.1&4.2 2005/747/ec compliant with standards note note: in light of item 5 in annex of 2002/95/ec, ?pb in the glass of cathode ray tubes, electronic components and fluorescent tubes.? and item 13 in annex of 2005/747/ec, ?lead and cadmium in optical and filter glass.?, the two exemptions are being concerned for source p hotonics transceivers, becau se source photonics transceivers use glass, which may contain pb, for com ponents such as lenses, wind ows, isolators, and other electronic components.
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 absolute maximum ratings table 2 - absolute maximum ratings parameter symbol min. typical max. unit notes storage ambient temperature t s -40 - 85 c operating case temperature t c 0 70 c 1 operating relative humidity rh 5 95 % power supply voltage v cc 0 4 v input voltage gnd v cc v receiver damaged threshold 0 dbm note 1: when ambient temperature is above 60c, airflow at rate higher than 1m/sec is required. recommended operating conditions table 3 ? recommended operating conditions parameter symbol min. typical max. unit notes power supply voltage v cc 3.13 3.3 3.47 v operating case temperature t c 0 70 c 1 operating relative humidity rh 5 95 % inrush current i in-rush - - 30 ma 2 data rate 1.25 gbit/s data rate drift -100 +100 ppm note 1: when ambient temperature is above 60c, airflow at rate higher than 1m/sec is required. note 2: maxim duration 300ms. optical characteristics table 4 ? optical characteristics transmitter parameter symbol min. typical max. unit notes centre wavelength c 1480 1500 nm spectral width (-20db) ? 1 nm side mode suppression ratio smsr 30 db average launch power p out 2 7 dbm 1 average launch power-off transmitter p off -39 dbm extinction ratio ex 9 db 2 total jitter tj 0.43 ui 2
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 rise/fall time (20%-80%) t r /t f 260 ps 2,3 rin 15 oma -115 db/hz optical return loss tolerance 12 db transmitter reflectance -10 db transmitter and dispersion penalty tdp 2.3 db 4 optical eye mask compliant with ieee std 802.3ah ? -2004 2,5 receiver operating wavelength c 1260 1360 nm sensitivity p sen -30 dbm 6 saturation p sat -6 dbm receiver threshold settling time t settling 250 ns 6,7 dynamic range -30 -6 dbm 6,8 loss of signal deassert level p losd -31 dbm 9 loss of signal assert level p losa -45 dbm 10 los hysteresis p losd - p losa 0.5 6 db receiver reflectance -12 db notes: 1. the optical power is launched into 9/125um smf. 2. measured with prbs 2 7 -1 test pattern @1.25gbps. 3. measured with the bessel-thompson filter off. 4. maximum sensitivity penalty due to transmitter and di spersion effect through 20km of smf optical fiber. 5. transmitter eye mask definition {0.22ui, 0.375ui, 0.20ui, 0.20ui, 0.30ui}. 6. measured with a prbs 2 7 -1 test pattern @1.25gbps and er=10db, ber =10 -12 . 7. see figure 1, 2. for multiple onus application, it isn?t easy to test t settling directly, but there is a relationship t settling = t gap -t guard when t on =t off , then t settling can be calculated by t gap and a certain guard time at onu side. 8. see figure 3. t gap be less than 250ns is guaranteed. 9. an increase in optical power ab ove the specified level will cause los of signal (los) output to switch from a high state to a low state. 10. a decrease in optical power below the specified level will cause los of signal (los) output to switch from a low state to a high state.
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 optical signal output (at onu side) tx_brst (at onu side) upstream data (td+/td- at onu side) upstream data (rd+/rd- at olt side) valid data t settling within 15% of optical steady state average optical power <=-45dbm t on t off garbage data figure 1, timing parameter definition in bu rst mode sequence (sole onu application) tx_brst(onu#1) optical signal (onu#1) at tp3 t en_dur t on1 t dis_dur within 15% of optical steady state ` <-45dbm tx_brst(onu#2) optical signal (onu#2) at tp3 electrical signal (olt) at tp4 t off1 t guard t off2 t gap t o/e t on2 figure 2, timing parameter definition in burs t mode sequence (dual onus application)
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 optical signal input (at olt side) from strong onu(p o = -6dbm) 24db optical power dynamic range from weak onu(p o = -30dbm) figure 3, burst mode receiver dynamic range electrical characteristics table 5 ? electrical characteristics transmitter parameter symbol min. typical max. unit notes power supply current i cc_tx 250 ma data input differential swing v in 200 1600 mvp-p 1 input differential impedance z in 90 100 110 ? transmitter disable voltage - low v tdis, l 0 0.8 v 2 transmitter disable voltage - high v tdis, h 2.0 vcc v transmitter fault indication voltage - low v tfi, l 0 0.4 v 3 transmitter fault indication voltage - high v tfi, h 2.4 vcc v receiver power supply current i cc_rx 200 ma 4 data output voltage - low v ol -v cc -1.81 -1.62 v data output voltage - high v oh -v cc -1.02 -0.88 v data output differential swing v out 400 1600 mv p-p 5 loss of signal (los) voltage - low v los, l 0 0.8 v 6 loss of signal (los) voltage - high v los, h 2.0 v cc v loss of signal (los) assert time t ass 500 ns loss of signal (los) deassert time t das 500 ns notes: 1. compatible with lvpecl inpu t, ac coupled internally. (see recommended interface circuit ) 2. tx disable (see pin function definitions ). 3. tx fault (see pin function definitions ) internally ac coupled.
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 4. supply current excluding receiver output load. 5. lvpecl output, dc coupled interna lly, guaranteed in the full range of input optical power (-6dbm to -31dbm) (see recommended interface circuit ). 6. los (see pin function definitions ). recommended host board power supply circuit figure 4, recommended host board power supply filtering network recommended interface circuit ge-pon mac SPS-43-GB-P2-CDFB cm laser driver bm limiting amplifier z=50 td+ (18) td- (19) rd+ (13) rd- (12) 2x150 100 tx disable (3) los (8) v cc (+3.3v) serdes txp txn rxn rxp v cc t (16) v cc r (15) 2x1uh 10uf 0.1uf 0.1uf 0.1uf 10uf v ee t (1,17,20) v ee r (9,10,11,14) pon_tx_disable pon_los 2x130 2k 4.7-10k tx fault(cpu io) tx fault (2) z=50 z=50 z=50 2x82 v cc t 10k monitoring eeprom v cc r mod-def2 (4) mod-def1 (5) mod-def0 (6) 3x4.7-10k v cc (+3.3v) v cc (+3.3v) v cc (+3.3v) temperature supply voltage bias current output power received power note a note b +3.3v 4.7-10k rssi (7) figure 5, recommended interface circuit
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 note a: circuit assumes open emitter output note b: circuit assumes that proper internal bias voltage is not provided pin definitions figure 6 below shows the pin numbering of sfp electrical interface (gol den finger). the pin functions are described in table 6 and the accompanying notes. figure 6, sfp pin view (golden finger) table 6 ?pin function definitions pin name description notes 1 v ee t transmitter ground 2 tx fault transmitter fault indication 1 3 tx disable transmitter disable 2 4 mod-def2 module definition 2 3 5 mod-def1 module definition 1 6 mod-def0 module definition 0 7 rssi lvttl active high, controlled by mac 8 los loss of signal 4 9 v ee r receiver ground 10 v ee r receiver ground 11 v ee r receiver ground 12 rd- inv. receiver data out 5 13 rd+ receiver data out 14 v ee r received ground 15 v cc r receiver power 6 16 v cc t transmitter power 17 v ee t transmitter ground 18 td+ transmit data in 7
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 19 td- inv. transmit data in 20 v ee t transmitter ground notes: 1. tx fault is an open collector/drain output, which should be pulled up with a 4.7k-10k ? resistor on the host board. pull up voltage between 2.0v and v cc t, r+0.3v. when high, output indicates a laser fault of some kind. low indicates normal operation. in the lo w state, the output will be pulled to < 0.8v. 2. tx disable is an input that is used to shut down the transmitter optical output. it is pulled up within the module with a 4.7-10 k ? resistor. its states are: low (0-0.8v): transmitter on (>0.8, < 2.0v): undefined high (2.0-3.465v): transmitter disabled open: transmitter disabled 3. mod-def0,1,2. these are the module definition pins. they should be pulled up with a 4.7k-10k ? resistor on the host board. the pull-up voltage shall be v cc t or v cc r. mod-def0 is grounded by the module to indicate that the module is present mod-def1 is the clock line of two-wi re serial interface for serial id mod-def2 is the data line of two-wire serial interface for serial id 4. los (loss of signal) is an open collector/drain output, which should be pulled up with a 4.7k-10k ? resistor. pull up voltage between 2.0v and v cc t, r+0.3v. when high, this output indicates the received optical power is below the worst-case receiver se nsitivity (as defined by the standard in use). low indicates normal operation. in the low st ate, the output will be pulled to < 0.8v. 5. these are the differential receiv er outputs. they are dc coupled 100 ? differential lines which should be terminated with 100 ? (differential) at the user serdes. (see recommended interface circuit ) 6. v cc r and v cc t are the receiver and transmitter power supp lies. they are defined as 3.3v5% at the sfp connector pin. maximum supply current is 300 ma. recommended host board power supply filtering is shown in figure 4. inductors wi th dc resistance of less than 1 ? should be used in order to maintain the required voltage at the sfp input pin with 3.3v su pply voltage. when the recommended supply filtering network is used, hot plugging of the sfp transceiver module will result in an inrush current of no more than 30 ma greater than the steady state value. 7. these are the differential transmitter inputs. they are ac coupled differential lines with 100 ? differential termination inside the module. the ac coupling is d one inside the module and is thus not required on the host board. (see recommended interface circuit )
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 optical input signal rx output signal rssi trigger signal from host tw internal sampling signal i 2 c reading from host 0 prohibited acceptable ts t i 2 c figure 7, rssi timing diagram table 7 ? rssi parameter item symbol min typ max unit trigger width t w 1 1.25 us sampling time ts 2 us i 2 c response time t i 2 c 100 us notes: 1. the length of input signal package should not less than 4us. 2. the interval of two trigger signals should not less than 10us.
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 eeprom information figure 8, 2-wire serial digital diagnostic memory map table 8 ? eeprom serial id memory contents (a0h) addr. field size (bytes) name of field hex description 0 1 identifier 03 sfp transceiver 1 1 ext. identifier 04 mod4 2 1 connector 01 sc 3-10 8 transceiver 00 00 00 80 00 00 00 00 base-px 11 1 encoding 01 8b10b 12 1 br, nominal 0d 1.25gbps 13 1 reserved 00 14 1 length (9um)-km 14 20(km) 15 1 length (9um) c8 200(100m) 16 1 length (50um) 00 not support mmf 17 1 length (62.5um) 00 not support mmf 18 1 length (copper) 00 not support copper 19 1 reserved 00 20-35 16 vendor name 53 4f 55 52 43 45 50 48 4f 54 4f 4e 49 43 53 20 ?sourcephotonics ?(asc )
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 36 1 reserved 00 37-39 3 vendor oui 00 00 00 40-55 16 vendor pn 53 50 53 34 33 47 42 50 32 43 44 46 42 20 20 20 ?sps43gbp2cdfb? (ascii) 56-59 4 vendor rev xx xx 20 20 ascii(?31 30 20 20? means 1.0 revision) 60-61 2 wavelength 05 d2 1490nm laser wavelength 62 1 reserved 00 63 1 cc_base xx check sum of byte 0-62 64-65 2 options 00 1a los,tx_fault and tx_disable 66 1 br, max 00 67 1 br, min 00 68-83 16 vendor sn xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx ascii 84-91 8 date code xx xx xx xx xx xx 20 20 year(2 bytes),month(2 bytes), day(2 bytes) 92 1 diagnostic monitoring type 68 compliant with sff-8472 v9.5 internally calibrated received power measurement type -average power 93 1 enhanced options b0 diagnostics (optional alarm/warning flags) soft tx_fault monitoring implemented soft rx_los monitoring implemented 94 1 sff-8472 compliance 02 diagnostics compliance(sff-8472 v9.5) 95 1 cc_ext check sum of byte 64-94 96-255 64 vendor specific note: the ?xx? byte should be filled in according to prac tical case. for more information, please refer to the related document of sff-8472 rev 9.5. table 9 ? digital diagnostic specification (a2h) data address parameter range accuracy 96-97 temperature -40 to +80c 3c 98-99 vcc voltage +3.0v to +3.6v 3% 100-101 bias current 0 to 100ma 10% 102-103 tx power 0 to 8dbm 3db 104-105 rx power -32 to -5dbm 3db
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 mechanical diagram figure 9 mechanical diagram order information table 10 ? order information part no. application data rate laser source fiber type SPS-43-GB-P2-CDFB 1000base-px20 olt 1.25gb/s symmetric 1490nm dfb smf
SPS-43-GB-P2-CDFB d s - 5 141 r e v 0 3 2 0 1 0 -7-1 5 warnings handling precautions: this device is susceptible to damage as a re sult of electrostatic discharge (esd). a static free environment is highly recommended. follow guidelines according to proper esd procedures. laser safety: radiation emitted by laser devices can be dangerous to human eyes. avoid eye exposure to direct or indirect radiation. legal notice important notice! all information contained in this document is subjec t to change without notice, at source photonics? sole and absolute discretion. source photonics warrants perfo rmance of its products to current specifications only in accordance with the company?s standard one-y ear warranty; 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, implied, and statutory warranties, warranties of merchantability, fitness for a particular purpose, and non-infringement of proprietary rights. please refer to the company?s terms and conditions of sa le for further warranty information. source photonics assumes no liability for applications assistance, customer pr oduct design, software performance, or infringement of patents, services, or intellectual property described herein. no license, either express or implied, is granted under any patent right, copyright, or intellectual property right, and source photonics makes no representations or warrant ies that the product(s) described herein are free from patent, copyright, or intellectual property ri ghts. products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. source photonics cu stomers using or selling products for use in such applications do so at their own risk and agree to fully defend and indemnif y source photonics for any damages resulting from such use or sale. the information contained in this document is provided 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 contained in this document. customer must contact source photonics to obtain the latest version of this 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 sales@sourcephotonics.com 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 sales@sourcephotonics.com.cn ? taiwan 9f, no 81, shui lee rd. hsinchu, 300, taiwan r.o.c. tel: +886-3-5169222 fax: +886-3-5169213 sales@sourcephotonics.com.tw ?? ? copyright source photonics, inc. 2007~2010 all rights reserved

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