lc-1250xxxxrx series delta electronics, inc. 1 sep., 2006 rev. 0e www.deltaww.com rohs compliant 2x5 small form factor transceiver for gigabit ethernet features compliant with sff transceiver msa specification compliant with specifications for ieee 802.3z/gigabit ethernet lc-1250bxqxrx compliant with the 1.0625gbd fiber channel 100-sm-lc-l fc-pi rev.13 lc-1250axfxrx compliant with the 1.0625gbd fiber channel fc-pi 100-m5-sn-i rev.13 single + 3.3v power supply laser class 1 product which comply with the requirements of iec 60825-1 and iec 60825-2 duplex lc connector interface ttl or pecl signal detect level rohs compliant per directive 2002/95/ec description the lc-1250xxxxrx series are high performance, cost effective optical transceivers intended for 1250 mb/s. they are designed to provide gigabit ethernet compliant link at 1250 mb/s for short, intermediate and long reach links, respectively. the lc-1250xxxxrx series provide with the lc receptacle those are compatible with the industry standard lc connector. the lc-1250xxxxrx series are class 1 eye safety product. the optical power levels, under normal operation, are at eye safe level. applications switch to switch interface switched backplane applications file server interface performance lc-1250axfxrx: 850nm vcsel, up to 500m in 50/125 ? m mmf 850nm vcsel, up to 220m in 62.5/125 ? m mmf lc-1250bxqxrx: 1310nm fp laser, up to 10km in 9/125 ? m smf 1310nm fp laser, up to 550m in 50/125 ? m mmf 1310nm fp laser, up to 550m in 62.5/125 ? m mmf
lc-1250xxxxrx series delta electronics, inc. 2 sep., 2006 rev. 0e www.deltaww.com absolute maximum ratings parameter symbol min. typ. max. unit note storage temperature ts -40 85 oc lead soldering temperature t sold 260 oc lead soldering time t sold 10 sec. supply voltage v cc 0 5 v recommended operating conditions parameter symbol min. typ. max. unit note ambient operating temperature t a 0 70 oc 1 supply voltage v cc 3.135 3.465 v note: see ordering information for detail electrical characteristics (v cc =3.135 v to 3.465 v) parameter symbol min. typ. max. unit note transmitter transmitter data input voltage-low v il -v cc -1.81 -1.48 v transmitter data input voltage-high v ih -v cc -1.16 -0.88 v transmitter disable input-high v dish 2 v cc +0.3 v transmitter disable input-low v disl 0 0.8 v receiver data output voltage-low v ol -v cc -1.95 -1.62 v data output voltage-high v oh -v cc -1.045 -0.74 v sd output voltage-low v sdh -v cc -1.95 -1.62 v sd output voltage-high v sdl -v cc -1.05 -0.74 v ecl family sd output voltage-low v sdh -v cc 0.8 v sd output voltage-high v sdl -v cc 2 v lvttl
lc-1250xxxxrx series delta electronics, inc. 3 sep., 2006 rev. 0e www.deltaww.com transmitter optical performance specifications: (v cc =3.135 v to 3.465 v) parameter symbol min. typ. max. unit notes supply current icc 150 ma average launched power lc-1250axfxrx lc-1250bxqxrx p o -9.5 -9.5 -4 -3 dbm optical extinction ratio er 9 db center wavelength lc-1250axfxrx lc-1250bxqxrx ? $ 830 1274 860 1355 nm spectral width lc-1250axfxrx (rms) lc-1250bxqxrx (rms) 0.85 2.8 nm relative intensity noise rin -116 db/hz optical rise/fall time t r /t f 260 ps 1 output eye complies with the ieee 802.3z/d2 specification, and is class 1 laser eye safety receiver optical performance specifications: (v cc =3.135 v to 3.465 v) parameter symbol min. typ. max. unit notes supply current icc 120 ma optical input sensitivity (avg.) lc-1250axfxrx lc-1250bxqxrx p in -17 -19 dbm 2 optical input saturation (avg.) lc-1250axfxrx lc-1250bxqxrx p sat -3 -3 dbm optical wavelength lc-1250axfxrx lc-1250bxqxrx ? 830 1274 860 1355 nm output data risetime t r 0.35 ns 1 output data falltime t f 0.35 ns 1 sd-asserted level (avg.) lc-1250axfxrx lc-1250bxqxrx p a -17 -19 dbm sd-deasserted level (avg.) lc-1250axfxrx lc-1250bxqxrx p d -30 -30 dbm signal detect- hysteresis p a -p d 0.5 db notes: 1. these are unfiltered 20%~80% values. 2. the sensitivity is provided at a ber of 110 -10 or better with an input signal consisting of 1250 mb/s,
lc-1250xxxxrx series delta electronics, inc. 4 sep., 2006 rev. 0e www.deltaww.com 2 7 -1 prbs and er=9db. mask of the eye diagram for the optical transmit signal pin out table: pin (2x5) symbol functional description 1 gnd receiver signal ground 2 rxv cc receiver power supply 3 sd signal detect 4 rd ( ) receiver data out bar (lvpecl) 5 rd (+) receiver data out (lvpecl) 6 txv cc transmitter power supply 7 gnd transmitter signal ground 8 disable transmitter disable (lvttl) 9 td (+) transmitter data in (lvpecl) 10 td (-) transmitter data in bar (lvpecl) pin out drawing: 2x5 module top view 12345 109876 tx rx
lc-1250xxxxrx series delta electronics, inc. 5 sep., 2006 rev. 0e www.deltaww.com recommend circuit schematic (lc-1250xxx1rx) laser diode photo-diode 1uh 1uh 0.1uf 10uf 0.1uf 0.1uf 0.1uf 0.1uf 0.1uf 0.1uf 10uf 100 ohm* serdes ic 3.3v delta sff module preamp & tx_disable quantizer td+ td - veet rd+ rd - rx_sd veer vcct vccr laser driver * depands on serdes ic used 150 ohm 150 ohm 50 ohm txl 50 ohm txl 50 ohm txl 50 ohm txl sd txdis 82ohm 82ohm 130ohm 130 ohm vcct note: 1. 270 ohm sd output pull-down resi sters required for lvpecl sd output. 2. no connected for ttl sd output.
lc-1250xxxxrx series delta electronics, inc. 6 sep., 2006 rev. 0e www.deltaww.com recommend circuit schematic (lc-1250xxx2rx) laser diode photo-diode 1uh 1uh 0.1uf 10uf 0.1uf 0.1uf 0.1uf 0.1uf 0.1uf 0.1uf 10uf 100 ohm* 100 ohm serdes ic 3.3v delta sff module preamp & tx_disable quantizer td+ td - veet rd+ rd - rx_sd veer vcct vccr laser driver * depands on serdes ic used 150 ohm 150 ohm 50 ohm txl 50 ohm txl 50 ohm txl 50 ohm txl sd txdis note: 1. 270 ohm sd output pull-down resi sters required for lvpecl sd output. 2. no connected for ttl sd output.
lc-1250xxxxrx series delta electronics, inc. 7 sep., 2006 rev. 0e www.deltaww.com package outline drawing (plastic housing) made in china - $ 9 9 9 9 9 9 9 9 9 9 : : . . % % - 9 9 9 9 9 9 9 9 9 o n
lc-1250xxxxrx series delta electronics, inc. 8 sep., 2006 rev. 0e www.deltaww.com regulatory compliance feature reference performance electromagnetic interference (emi) fcc class b en 55022 class b (cispr 22a) radio frequency electromagnetic field en 61000-4-3 iec 1000-4-3 electrostatic discharge to the duplex lc receptacle en 61000-4-2 iec 1000-4-2 iec 801.2 electrostatic discharge to the electrical pins mil-std-883e method 3015.7 (1) satisfied with electrical characteristics of product spec. (2) no physical damage eye safety us fda cdrh ael class 1 en 60950: 2000 en 60825-1: 1994+a11+a2 en 60825-2: 2000 cdrh file # 0321539-00 tuv certificate no. r50032471 component recognition underwriters laboratories and canadian standards association joint component recognition for information technology equipment including electrical business equipment ul file # e239394
lc-1250xxxxrx series delta electronics, inc. 9 sep., 2006 rev. 0e www.deltaww.com ordering information lc-1250x 1 x 2 x 3 x 4 x 5 x 6 x 1 : light source types: a: 850nm multi-mode b: 1310nm single-mode x 4 : pin-out / logic interface: 1 = 2x5 / dc-coupled 2 = 2x5 / ac-coupled x 2 : x 3 : power supply voltage 2: 3.3v / pecl sd level 4: 3.3v / ttl sd level distance: f: 500m, 50/125 ? m mmf q: 10km, 9/125 ? m smf x 5 : x 6 : blank : non-rohs compliant r : rohs compliant temperature blank : 0 to +70 degree c h : -10 to +85 degree c t : -40 to +85 degree c
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