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data sheet 1 2003-04-25 sfp - small form-factor pluggable single mode 1300 nm 1.0625 gbit/s fibre channel 1.25 gigabit ethernet transceiver with lc? connector v23818-k15-b57 file: 1115 fiber optics lc? is a trademark of lucent features small form-factor pluggable (sfp) transceiver fully sfp msa compliant 1) advanced release mechanism ? easy access, even in belly to belly applications ? grip for easy access ? no tool is needed ? color coded blue (single mode) excellent emi performance rj-45 style lc? connector system single power supply (3.3 v) low power consumption small size for high channel density ul-94 v-0 certified esd class 1c per jesd22-a114-b (mil-std 883d method 3015.7) compliant with fcc (class b) and en 55022 for distances of up to 10 km class 1 fda and iec laser safety compliant ac/ac coupling according to sfp msa recommendation: infineon cage one-piece design v23838-s5-n1 for press fit and/or solderable sfp evaluation board v23818-s5-v2 available upon request 1) current msa documentation can be found at www.infineon.com/fiberoptics
v23818-k15-b57 pin configuration data sheet 2 2003-04-25 pin configuration figure 1 sfp transceiver electrical pad layout v ee t td ? td+ v ee t v cc t v cc r v ee r rd+ rd ? v ee r 20 19 18 17 16 15 14 13 12 11 v ee t tx fault tx disable mod-def(2) mod-def(1) mod-def(0) rate select los v ee r v ee r 1 2 3 4 5 6 7 8 9 10 top of transceiver bottom of transceiver (as viewed through top of transceiver) file: 1306
v23818-k15-b57 pin configuration data sheet 3 2003-04-25 pin description pin no. name logic level function 1 v ee t n/a transmitter ground 1) 2 tx fault lvttl transmitter fault indication 2) 8) 3 tx disable lvttl transmitter disable 3) 4 mod-def(2) lvttl module definition 2 4) 8) 5 mod-def(1) lvttl module definition 1 5) 8) 6 mod-def(0) n/a module definition 0 6) 8) 7 rate select n/a not connected 8 los lvttl loss of signal 7) 8) 9 v ee r n/a receiver ground 1) 10 v ee r n/a receiver ground 1) 11 v ee r n/a receiver ground 1) 12 rd? lvpecl inv. received data out 9) 13 rd+ lvpecl received data out 9) 14 v ee r n/a receiver ground 1) 15 v cc r n/a receiver power 16 v cc t n/a transmitter power 17 v ee t n/a transmitter ground 1) 18 td+ lvpecl transmit data in 10) 19 td? lvpecl inv. transmit data in 10) 20 v ee t n/a transmitter ground 1) 1) common transmitter and receiver ground within the module. 2) a high signal indicates a laser fault of some kind and that laser is switched off. 3) a low signal switches the transmitter on. a high signal or when not connected switches the transmitter off. 4) mod-def(2) is the data line of two wire serial interface for serial id. 5) mod-def(1) is the clock line of two wire serial interface for serial id. 6) mod-def(0) is grounded by the module to indicate that the module is present. 7) a low signal indicates normal operation, light is present at receiver input. a high signal indicates the received optical power is below the worst case receiver sensitivity. 8) should be pulled up on host board to v cc by 4.7 - 10 k ? . 9) ac coupled inside the transceiver. must be terminated with 100 ? differential at the user serdes. 10) ac coupled and 100 ? differential termination inside the transceiver.
v23818-k15-b57 description data sheet 4 2003-04-25 description the infineon fibre channel / gigabit ethernet single mode transceiver ? part of infineon small form factor transceiver family ? is based on the physical medium depend (pmd) sublayer and baseband medium, type 1000 base-lx (long wavelength) compliant to ieee std 802.3 and fibre channel fc-pi (rev. 13) 100-sm-lc-l. the appropriate fiber optic cable is 9 m single mode fiber with lc? connector. the infineon sfp single mode transceiver is a single unit comprised of a transmitter, a receiver, and an lc? receptacle. this transceiver supports the lc? connectorization concept. it is compatible with rj-45 style backpanels for high end datacom and telecom applications while providing the advantages of fiber optic technology. the module is designed for low cost san, lan, wan, fibre channel and gigabit ethernet applications. it can be used as the network end device interface in mainframes, workstations, servers, and storage devices, and in a broad range of network devices such as bridges, routers, hubs, and local and wide area switches. this transceiver operates at 1.0625 and 1.25 gbit/s from a single power supply (+3.3 v). the full differential data inputs and outputs are lvpecl compatible. link length as defined by ieee and fibre channel standards fiber type reach unit min. 1) 1) minimum reach as defined by ieee and fibre channel standards. a 0 m link length (loop-back connector) is supported. typ. max. 2) 2) maximum reach as defined by ieee and fibre channel standards. longer reach possible depending upon link implementation. at 1.0625 gbit/s 9 m, smf 2 10,000 meters 50 m, 500 mhz*km 0.5 550 62.5 m, 200 mhz*km 0.5 550 at 1.25 gbit/s 9 m, smf 2 5,000 meters 50 m, 400/500 mhz*km 2 550 62.5 m, 500 mhz*km 2 550
v23818-k15-b57 description data sheet 5 2003-04-25 functional description of sfp transceiver this transceiver is designed to transmit serial data via single mode cable. figure 2 functional diagram the receiver component converts the optical serial data into lvpecl compatible electrical data (rd+ and rd?). the loss of signal (los) shows whether an optical signal is not present (lost). the transmitter converts lvpecl compatible electrical serial data (td+ and td?) into optical serial data. data lines are differentially 100 ? terminated. the transmitter contains a laser driver circui t that drives the modulation and bias current of the laser diode. the currents are controlled by a power control circuit to guarantee constant output power of the laser over temperature and aging. the power control uses the output of the monitor pin diode (mechanically built into the laser coupling unit) as a controlling signal, to prevent the laser power from exceeding the operating limits. single fault condition is ensured by means of an integrated automatic shutdown circuit that disables the laser when it detects laser fault to guarantee the laser eye safety. the transceiver contains a supervisory circuit to control the power supply. this circuit makes an internal reset signal whenever the supply voltage drops below the reset threshold. it keeps the reset signal active for at least 140 milliseconds after the voltage has risen above the reset threshold. during this time the laser is inactive. laser driver power control receiver o/e o/e laser e/o rx coupling unit td ? td+ txdis tx fault rd ? rd+ los tx coupling unit single mode fiber len monitor automatic shut-down eeprom mod-def file: 1353
v23818-k15-b57 description data sheet 6 2003-04-25 a low signal on txdis enables transmitter. if txdis is high or not connected the transmitter is disabled. the information which kind of sfp module has been plugged into an sfp port can be read through the mod-def interface. the information is stored in an i 2 c-eeprom inside the sfp transceiver. regulatory compliance feature standard comments esd: electrostatic discharge to the electrical pins eia/jesd22-a114-b (mil-std 883d method 3015.7) class 1c immunity: against electrostatic discharge (esd) to the duplex lc receptacle en 61000-4-2 iec 61000-4-2 discharges ranging from 2kv to 15 kv on the receptacle cause no damage to transceiver (under recommended conditions). immunity: against radio frequency electromagnetic field en 61000-4-3 iec 61000-4-3 with a field strength of 3 v/m, noise frequency ranges from 10 mhz to 2 ghz. no effect on transceiver performance between the specification limits. emission: electromagnetic interference (emi) fcc 47 cfr part 15, class b en 55022 class b cispr 22 noise frequency range: 30 mhz to 18 ghz
v23818-k15-b57 technical data data sheet 7 2003-04-25 technical data exceeding any one of these values may destroy the device immediately. the electro-optical characteristics described in the following tables are valid only for use under the recommended operating conditions. absolute maximum ratings parameter symbol limit values unit min. max. package power dissipation 0.9 w data input levels v cc +0.5 v differential data input voltage swing v id pk-pk 5 v storage ambient temperature ?40 85 c v cc max 5.5 v ecl-output current data 50 ma recommended operating conditions parameter symbol limit values unit min. typ. max. ambient temperature t amb 070c power supply voltage v cc ? v ee 3.1 3.3 3.6 v transmitter differential data input voltage swing v id pk-pk 500 3200 mv receiver input center wavelength c 1260 1580 nm
v23818-k15-b57 technical data data sheet 8 2003-04-25 transmitter electro-optical characteristics transmitter symbol limit values unit min. typ. max. launched power (average) 1) p o ?9.5 ?3 dbm optical modulation amplitude 2) oma 180 w center wavelength c 1285 1350 nm spectral width (rms) i 2.5 nm relative intensity noise rin ?120 db/hz extinction ratio (dynamic) er 9 db total tx jitter tj 53 130 ps optical rise/fall time 3) t r , t f 260 ps reset threshold 4) v th 2.5 2.75 2.99 v reset time out 4) t res 140 240 300 ms supply current 80 150 ma 1) into single mode fiber, 9 m diameter. 2) fibre channel pi standard. 3) measured without filter (20% - 80%). 4) laser power is shut down if power supply is below v th and switched on if power supply is above v th after t res .
v23818-k15-b57 technical data data sheet 9 2003-04-25 receiver electro-optical characteristics receiver symbol limit values unit min. typ. max. sensitivity (average power) 1) p in ?20 dbm saturation (average power) p sat ?3 dbm min. optical modulation amplitude 2) oma 15 w loss of signal (los) assert level 3) p losa ?37 dbm loss of signal (los) deassert level 4) p losd ?22 dbm loss of signal (los) hysteresis p losa ? p losd 0.5 1 6 db loss of signal (los) assert time t ass 100 s loss of signal (los) deassert time t das 100 s receiver 3 db cut-off frequency 2) 1.5 ghz receiver 10 db cut-off frequency 2) 3ghz differential data output voltage swing 5) v od pk-pk 600 1200 mv return loss of receiver orl 12 db output data rise/fall time t r , t f 200 ps supply current 6) 90 130 ma 1) minimum average optical power at which the ber is less than 1x10 ?12 . measured with a 2 7 ?1 nrz prbs. 2) fibre channel pi standard. 3) an increase in optical power above the specified level will cause the los output to switch from a high state to a low state. 4) a decrease in optical power below the specified level will cause the los to change from a low state to a high state. 5) ac/ac for data. load 50 ? to gnd or 100 ? differential. for dynamic measurement a tolerance of 50 mv should be added. 6) supply current excluding rx output load.
v23818-k15-b57 technical data data sheet 10 2003-04-25 timing of control and status i/o parameter symbol limit values unit condition min. max. tx disable assert time t_off 10 s time from rising edge of tx disable to when the optical output falls below 10% of nominal. tx disable negate time t_on 1 ms time from falling edge of tx disable to when the modulated optical output rises above 90% of nominal. time to initialize, including reset of tx fault t_init 300 from power on or negation of tx fault using tx disable. tx fault assert time t_fault 100 s time from fault to tx fault on. tx disable to reset t_reset 10 time tx disable must be held high to reset tx fault. los assert time t_loss_on 100 time from los state to rx los assert. los deassert time t_loss_off 100 time from non-los state to rx los deassert. i 2 c bus clock rate f_i2cbus_ clock 100 khz
v23818-k15-b57 eye safety data sheet 11 2003-04-25 eye safety this laser based single mode transceiver is a class 1 product. it complies with iec 60825-1 and fda 21 cfr 1040.10 and 1040.11. to meet laser safety requirements the transceiver shall be operated within the absolute maximum ratings. attention: all adjustments have been made at the factory prior to shipment of the devices. no maintenance or alteration to the device is required. tampering with or modifying the performance of the device will result in voided product warranty. note: failure to adhere to the above restrictions could result in a modification that is considered an act of ?manufacturing?, and will require, under law, recertification of the modified product with the u.s. food and drug administration (ref. 21 cfr 1040.10 (i)). figure 3 required labels figure 4 laser emission laser data wavelength 1300 nm total output power (as defined by iec: 7 mm aperture at 14 mm distance) <2 mw total output power (as defined by fda: 7 mm aperture at 20 cm distance) < 195 w beam divergence 6 class 1 laser product iec complies with 21 cfr 1040.10 and 1040.11 fda file: 1401 tx rx indication of laser aperture and beam 20 11 file: 1333 top view
v23818-k15-b57 application notes data sheet 12 2003-04-25 application notes emi-recommendations to avoid electromagnetic radiation exceeding the required limits please take note of the following recommendations. when gigabit switching components are found on a pcb (multiplexers, clock recoveries etc.) any opening of the chassis may produce radiation also at chassis slots other than that of the device itself. thus every mechanical opening or aperture should be as small as possible. on the board itself every data connection should be an impedance matched line (e.g. strip line, coplanar strip line). data, datanot should be routed symmetrically, vias should be avoided. a terminating resistor of 100 ? should be placed at the end of each matched line. an alternative termination can be provided with a 50 ? resistor at each (d, dn). in dc coupled systems a thevenin equivalent 50 ? resistance can be achieved as follows: for 3.3 v: 125 ? to v cc and 82 ? to v ee , for 5 v: 82 ? to v cc and 125 ? to v ee at data and datanot. please consider whether there is an internal termination inside an ic or a transceiver. in certain cases signal gnd is the most harmful source of radiation. connecting chassis gnd and signal gnd at the plate/bezel/chassis rear e.g. by means of a fiber optic transceiver/cage may result in a large amount of radiation. even a capacitive coupling between signal gnd and chassis may be harmful if it is too close to an opening or an aperture. if a separation of signal gnd and chassis gnd is not planned, it is strongly recommended to provide a proper contact between signal gnd and chassis gnd at every location where possible. this concept is designed to avoid hotspots. hotspots are places of highest radiation which could be generated if only a few connections between signal and chassis gnd exist. compensation currents would concentrate at these connections, causing radiation. by use of gigabit switching components in a design, the return path of the rf current must also be considered. thus a split gnd plane of tx and rx portion may result in severe emi problems. the cutout should be sized so that all contact springs of the cage make good contact with the face plate. for the sfp transceiver a connection of the sfp cage pins to chassis gnd is recommended. if no separate chassis gnd is available on the users pcb the pins should be connected to signal gnd. in this case take care of the notes above. please consider that the pcb may behave like a waveguide. with an r of 4, the wavelength of the harmonics inside the pcb will be half of that in free space. in this scenario even the smallest pcbs may have unexpected resonances.
v23818-k15-b57 application notes data sheet 13 2003-04-25 the sfp transceiver can be assembled onto the host board together with all cages and host board connectors complying with the sfp multi source agreement. infineon proposes figure 5 cage: infineon technologies part number: v23838-s5-n1 host board connector: tyco electronics part number: 1367073-1 sfp host board connector cage file: 1502
v23818-k15-b57 application notes data sheet 14 2003-04-25 handling notes figure 6 installing and removing of sfp-transceiver r o t a t e 9 0 ? door front bezel step 1 step 2 sfp cage host pcb pull removing door is closed front bezel sfp cage host pcb push installing file: 1504
v23818-k15-b57 application notes data sheet 15 2003-04-25 eeprom serial id memory contents data address hex msa name/description content/value 0 03 transceiver type sfp 1 04 extended identifier serial id 2 07 connector type lc 3 00 reserved 400sonet oc-48 5 00 sonet oc-3/12 6 02 gigabit ethernet 7 12 fc reach/technology 8 00 fc technology 90dfc media 10 01 fc speed 11 01 encoding 12 0d nominal bit rate 13 00 reserved 14 0a length (9 m) x 1 km 15 64 length (9 m) x 100 m 16 37 length (50 m) x 10 m 17 37 length (62.5 m) x 10 m 18 00 length (copper) x 1 m 19 00 reserved 20 - 35 vendor name infineon ag 36 00 reserved 37 - 39 vendor ieee oui 00-03-19 40 - 55 vendor part number v23818-k15-b57 56 vendor revision infineon production code 57 - 59 vendor revision 1.0 60 - 61 wavelength 1310 62 00 reserved 63 check code (0 to 62) 64 00 reserved 65 1a transceiver options tx disable, tx fault, los 66 69 upper bit rate margin (%) 67 55 lower bit rate margin (%) 68 - 83 vendor serial number 84 - 91 vendor date code 92 - 94 diagnostic / sff-8472 compliance not implemented 95 check code (64-94) 96 - 127 00 vendor specific data
v23818-k15-b57 application notes data sheet 16 2003-04-25 single mode 1300 nm sfp transceiver, ac/ac ttl figure 7 recommended host board supply filtering network figure 8 example sfp host board schematic host board sfp module 3.3 v v cc r v cc t v ee r v ee t file: 1304 1 h 10 f 0.1 f 0.1 f 10 f 0.1 f 1 h xx 1) xx 1) 1) design criterion of the capacitor used is the resonant frequency and its value must be in the order of the nominal data rate. use of single layer capacitors recommended. short trace lengths are mandatory. pld / pal 1) design criterion of the capacitor used is the resonant frequency and its value must be in the order of the nominal data rate. use of single layer capacitors recommended. short trace lengths are mandatory. serdes ic tx disable protocol v cc protocol v cc 3.3 v 16 17 14 v cc t 15 v cc r 3.3 v 0.1 f 0.1 f 0.01 f 0.01 f 10 f mod-def(0) file: 1305 mod-def(1) mod-def(2) 4.7 to 10 k ? 4.7 to 10 k ? 4.7 to 10 k ? preamp & quantizer laser driver 1 h 1 h tx fault protocol ic los tx disable tx fault td? td+ rd+ rd? v ee t v ee r los infineon sfp transceiver 0.01 f 0.01 f 10 f 0.1 f xx 1) xx 1) 100 ? 4.7 to 10 k ? 4.7 to 10 k ? 4.7 to 10 k ? 100 ?
v23818-k15-b57 package outlines data sheet 17 2003-04-25 package outlines figure 9 55.9 [2.200] 13.7 [.538] 16.1 ref [.636] 12.5 [.492] dimensions in mm [inches] file: 1207 6.25 [.246] 13.4 [.528] 8.5 [.334] 10.4 [.411]
edition 2003-04-25 published by infineon technologies ag, st.-martin-strasse 53, d-81541 mnchen, germany ? infineon technologies ag 2003. all rights reserved. attention please! the information herein is given to describe certain components and shall not be considered as warranted characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. infineon technologies is an approved cecc manufacturer. information for further information on technology, delivery terms and conditions and prices please contact your nearest infineon technologies office in germany or our infineon technologies representatives worldwide. warnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your nearest infineon technologies office. infineon technologies components may only be used in life-support devices or systems with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. life-support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered. for questions on technology, delivery and prices please contact the infineon technologies offices in germany or the infineon technologies companies and representatives worldwide: see our webpage at http://www.infineon.com. v23818-k15-b57 revision history: 2003-04-25 ds1 previous version: 2002-05-06 page subjects (major changes since last revision) document completely revised

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