fiber optics february 2000 v23818-k305-l17/l57 (*) small form factor multimode 850 nm 1.0625 gbd fiber channel 1.3 gigabit ethernet 2x5 transceiver with lc? connector preliminary *) ordering information lc? is a registered trademark of lucent 12.88 .507 8.17 .321 6.24 .246 14.56 .573 12.70 .500 13.43 .529 12.88 .507 47.65 1.876 8.92 .351 9.61 .378 3.39 .134 3.45 .136 (6x) 4.57 .180 7.11 .280 12.27 .483 14.56 .573 1.07 .042 18.59 .732 0.25 .010 0.48 .019 circuit board layout recommended pcb thickness: 0.1(2.54) max. 1.78 .070 3.48 .137 17.78 .700 20x 0.81 0 0 .03 -.00 +.00 6x 1.40 0 0 .06 -.00 +.00 21.34 .840 13.34 .525 10.16 .400 23.88 .940 (10x) 1 1 1 1 1. 4 optional package grounding tabs 10 pin module requires only 12 pcb holes. 0.05 m 0 m V23818-K305-L57 dimensions in [mm] inches v23818-k 305-l57 input output signal detect voltage part number dc dc ttl 3.3 v v23818-k305-l17 ac ac V23818-K305-L57
fiber optics v23818-k305-l17/l57, sff, mm 850nm 1.0625 gbd fiber channel, 1.3 gbe 2x5 trx (lc) 2 features small form factor transceiver rj-45 style lc ? connector system half the size of sc duplex 1x9 transceiver single power supply (3.3 v) extremely low power consumption pecl and lvpecl differential inputs and outputs system optimized for 62.5/50 m graded index fiber multisource footprint small footprint for high channel density ul-94 v-0 certified esd class 2 per mil-std 883 method 3015 compliant with fcc (class b) and en 55022 for distances of up to 550 m class 1 fda and iec laser safety compliant absolute maximum ratings exceeding any one of these values may destroy the device immediately. package power dissipation................................................ 1.5 w data input levels (pecl) ............................................v cc +0.5 v differential data input voltage .............................................1.6 v operating ambient temperature..................... 0c to 70c storage ambient temperature............................. ?40 c to 85c soldering conditions, temp/time (mil-std 883c, method 2003) ............................. 250c/5.5s v cc max.............................................................................. 5.5 v ecl-output current data ...................................................50 ma description the infineon gigabit ethernet multimode transceiver?part of infineon small form factor transceiver family?is based on the physical medium depend (pmd) sublayer and baseband medium, type 1000base-sx (short wavelength), fiber channel dc 100-m5-sn-i and 100-m6-sn-i. the appropriate fiber optic cable is 62.5 m or 50 m multi- mode fiber with lc? connector. operating range for over each optical fiber type the infineon gigabit ethernet multimode transceiver is a single unit comprised of a transmitter, a receiver, and an lc? recepta- cle. this design frees the customer from many alignment and pc board layout concerns. this transceiver supports the lc? connectorization concept. it is compatible with rj-45 style backpanels for high end data com and telecom applications while providing the advan- tages of fiber optic technology. the module is designed for low cost san, lan, wan, fiber 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 and 1.25 gbit/s from a single power supply (+3.3 v). the full differential data inputs and out- puts are pecl and lvpecl compatible. functional description of 2x5 pin row transceiver this transceiver is designed to transmit serial data via multimode cable. functional diagram the receiver component converts the optical serial data into pecl compatible electrical data (rd and rdnot). the signal detect (sd, active high) shows whether an optical signal is present. the transmitter converts pecl compatible electrical serial data (td and tdnot) into optical serial data. data lines are differen- tially 100 ? terminated. the transmitter contains a laser driver circuit that drives the modulation and bias current of the laser diode. the currents are controlled by a power control circuit to guarantee constant out- put 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 transmitter failures. a reset is only possible by turning the power off, and then on again. the transceiver contains a supervisory circuit to control the power supply. this circuit makes an internal reset signal when- ever 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. the laser current can be interrupted by the txdis input. fiber type minimum range (meters) typ. 62.5 micron mff 2 to 260 400 50.0 micron mff 2 to 550 700 10 micron sff not supported laser driver power control receiver o/e o/e laser e/o rx coupling unit td td+ txdis rd rd+ sd laser coupling unit multimode fiber len monitor automatic shut-down
fiber optics v23818-k305-l17/l57, sff, mm 850nm 1.0625 gbd fiber channel, 1.3 gbe 2x5 trx (lc) 3 technical data the electro-optical characteristics described in the following tables are valid only for use under the recommended operating conditions. recommended operating conditions transmitter electro-optical characteristics notes 1. into multimode fiber, 62.5 m or 50 m diameter. 2. 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 . receiver electro-optical characteristics notes 1. average optical power at which the ber is 1 x 10e ? 12. measured with a 2 7 ? 1 nrz prbs and er=9 db. 2. an increase in optical power above the specified level will cause the signal detect output to switch from a low state to a high state. 3. a decrease in optical power below the specified level will cause the signal detect to change from a high state to a low state. 4. ac/ac for data. load 50 ? to gnd or 100 ? differential. for dynamic measurement a tolerance of 50 mv should be added. 5. supply current excluding rx output load. 6. pecl compatible. load is 50 ? into v cc ? 2v. measured under dc conditions. for dynamic measurements a tolerance of 50 mv should be added. parameter symbol min. typ. max. units case temperature t c 070 c power supply voltage v cc ? v ee 3.1 3.3 3.5 v transmitter data input high voltage dc/dc v ih ? v cc -1165 -880 mv data input low voltage dc/dc v il ? v cc -1810 -1475 data input differential voltage ac/ac v diff 250 1600 receiver input center wavelength c 770 860 nm transmitter symbol min. typ. max. units launched power (average) (1) p o -9.5 ? 4dbm center wavelength c 830 850 860 nm spectral width (rms) l 0.85 relative intensity noise rin ? 117 db/hz extinction ratio (dynamic) er 9 db reset threshold (2) v th 2.7 v reset time out (2) t res 140 240 560 ms rise time, 20% ? 80% t r 0.26 ns supply current 75 ma receiver symbol min. typ. max. units sensitivity (average power) (1) p in ? 19 ? 17 dbm saturation (average power) p sat 0 signal detect assert level (2) p sda ? 24 ? 18 signal detect deassert level (3) p sdd ? 30 ? 27 signal detect hysteresis p sda ? p sdd 3db signal detect assert time t ass 100 s signal detect deassert time t das 350 output low voltage dc/dc (6) v ol ? v cc ? 1950 ? 1620 mv output high voltage dc/dc (6) v oh ? v cc ? 1100 ? 720 data output differential voltage ac/ac (4) v diff 0.5 0.8 1.23 v return loss of receiver a rl 12 db supply current (5) 60 ma
fiber optics v23818-k305-l17/l57, sff, mm 850nm 1.0625 gbd fiber channel, 1.3 gbe 2x5 trx (lc) 4 pin description regulatory compliance eye safety this laser based multimode 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 oper- ated within the maximum operating limits. caution all adjustments have been made at the factory prior to ship- ment 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 modifica- tion 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)). laser data required labels laser emission pin name level/ logic pin# description v eer receiver signal ground n/a 1 v ccr receiver power supply n/a 2 sd signal detect ttl 3 normal operation: logic ? 1 ? output, represents that light is present at re- ceiver input fault condition: logic ? 0 ? output rd- received data out not pecl 4 rd+ received data out pecl 5 v cct n/a 6 transmitter power supply v eet n/a 7 transmitter signal ground txdis transmitter disable/enable ttl- input 8 a low signal switches the laser on. a high signal switches the laser off. td+ transmit data pecl 9 transmitter data in td- transmit data not pecl 10 transmitter data in ms ms package grounding tabs n/a ms1 ms2 t1 t2 t3 t4 mounting studs and grounding tabs are provid- ed for transceiver mechan- ical attachment to the circuit board. they also provide an optional connec- tion of the transceiver to the equipment chassis ground. the holes in the circuit board must be tied to chassis ground. feature standard comments electrostatic discharge (esd) to the electrical pins mil-std 883c method 3015.4 class 1 (>1000 v) immunity: electrostatic discharge (esd) to the duplex sc receptacle en 61000-4-2 iec 61000-4-2 discharges of 15kv with an air discharge probe on the recepta- cle cause no damage. immunity: radio frequency electromagnetic field en 61000-4-3 iec 61000-4-3 with a field strength of 10 v/m rms, noise frequency ranges from 10 mhz to 1 ghz. no effect on transceiver perfor- mance between the specification limits. emission: electromagnetic interference (emi) fcc class b en 55022 class b cispr 22 noise frequency range: 30 mhz to 6 ghz wavelength 850 nm total output power (as defined by iec: 50 mm aperture at 10 cm distance) <400 w total output power (as defined by fda: 7 mm aperture at 20 cm distance) <70 w beam divergence 12 class 1 laser product iec complies with 21 cfr 1040.10 and 1040.11 fda 10 9 8 7 6 1 2 3 4 5 tx rx indication of laser aperture and beam
fiber optics v23818-k305-l17/l57, sff, mm 850nm 1.0625 gbd fiber channel, 1.3 gbe 2x5 trx (lc) 5 application note multimode 850nm gigabit ethernet/fibre channel 2x5 transceiver, ac/ac values of r1/2/3/4 may vary as long as proper 50 ? termination to v ee or 100 ? differential is provided. the power supply filter- ing is required for good emi performance. use short tracks from the inductor l1/l2 to the module v cc rx/v cc tx. the transceiver contains an automatic shutdown circuit. reset is only possible if the p ower is turned off, and then on again. (v cc tx switched below v th ). application board available on request. vcsel driver signal detect limiting amplifier pre- amp rd- rd+ tx+ tx- serializer/ deserializer gigabit transceiver chip ecl/pecl driver receiver pll etc. infineon transceiver V23818-K305-L57 1 5 4 3 2 6 10 9 7 sd to upper level v eet td+ td- v cct v ccr sd rd- rd+ v eer v cc r7 r8 l1 l2 c2 c1 r3 r4 r1 r2 c3 v cc serdes 3.3 v v cc 3.3 v 100 ? ttl level 8 txdis c1/2/3= 4.7 f l1/2 = 1 h r1/2 = depends on serdes chip used r3/4 = depends on serdes chip used r7/8 = biasing (depends on serdes chip) place r1/2/3/4/7/8 close to serdes chip place r5/6 close to infineon transceiver
fiber optics v23818-k305-l17/l57, sff, mm 850nm 1.0625 gbd fiber channel, 1.3 gbe 2x5 trx (lc) 6 application note multimode 850nm gigabit ethernet 2x5 transceiver dc/dc version c7 c6 laser driver signal detect limiting amplifier pre- amp rd - rd+ tx+ tx - serializer/ deserializer gigabit transceiver chip rd - ecl/pecl driver receiver pll etc. infineon transceiver v23818-k305-l17 1 5 4 3 2 6 8 10 9 7 sd to upper level v eet td+ td- txdis v cct v ccr sd rd- rd+ v eer v cc r8 l1 l2 c2 c1 r5 r6 r3 r4 r1 r2 c3 c4 c5 v cc serdes 3.3 v v cc 3.3 v rd+ r10 r7 r11 c1/2/3 = 4.7 f c4/5/6/7 = 10 nf l1/2 = 1 h r10/11 = 127 ? (depends on serdes chip used) r7/8 = 82 ? (depends on serdes chip used) r5/6 = 150 ? place r1/2/3/4/7/8/10/11 close to serdes chip, depends on serdes chip used, see application note of serdes supplier.
published by infineon technologies ag ? infineon technologies ag 1999 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 the infineon technologies offices or our infineon technologies representatives worldwide - see our webpage at www.infineon.com/fiberoptics warnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your infineon technologies offices. 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. infineon technologies ag fiber optics wernerwerkdamm 16 berlin d-13623, germany infineon technologies, inc. fiber optics 1730 north first street san jose, ca 95112, usa infineon technologies k.k. fiber optics takanawa park tower 20-14, higashi-gotanda, 3-chome, shinagawa-ku to ky o 14 1, j a p a n small form factor multisourcing footprint and dimensions 2x5 pin module top view tx rx (9.8) .386 max. (47 .65) 1.875 max. (37 .56) 1.479 max. (13.97) .550 min pitch (13.59) .535 max. (10.16) .400 (1.78) .070 (12) .472 - b - - c - 4x (7.75) .305 (17 .78) .7 (7.11) .280 2x ? ( 1.07 0 - 0.1 ) .042 +.000 - .004 10x ? ( 0.61 0 - 0.2 ) .024 +.000 - .008 - a - 1. 2. toleranced to accommodate round or rectangular leads 12345 10 9 8 7 6 (4.57) .18 (7.11) .28 (13.34) .53 (3.56) .14 (10x) ? 0 m (6x) ? 0.05 m 4 optional package grounding tabs circuit board layout recommended pcb thickness: max. (2.54) 0.1 6x ? (1.4 0.1) .055 0.04 10x ? (0.81 0.1) .032 0.04 holes for housing leads 1. 4x ? (0.9 max.) .035 max. 1. 2. 2. 2. 10 pin module requires only 12 pcb holes. (3.0) .118 (3.1) .12 dimensions in (mm) inches
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