1 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com features ? duplex lc single mode transceiver ? small form factor multi-sourced 2x5 pin package ? complies with ieee 802.3 gigabit ethernet ? 1270 nm to1610 nm wavelength, cwdm dfb laser ? single +3.3v power supply ? lvpecl differential inputs and outputs ? lvttl signal detection output ? temperature range: 0 to 70 oc ? class 1 laser international safety standard iec 825 compliant ? solderability to mil-std-883, method 2003 ? pin coating is sn/pb with minimum 2% pb content ? flammability to ul94v0 ? humidity rh 5-85% (5-90% short term) to iec 68-2-3 ? complies with bellcore gr-468-core ? uncooled laser diode with mqw structure ? 1.25 gbps ethernet links application ? 1.06 gbps fiber channel application parameter symbol min. max. unit note power supply voltage v cc 0 3.6 v output current i out 0 30 ma soldering temperature - - 260 oc 10 seconds on leads only operating temperature t opr 0 70 oc storage temperature t stg -40 85 oc absolute maximum rating parameter symbol min. typ. max. unit power supply voltage v cc 3.1 3.3 3.5 v operating temperature (case) t opr 0 - 70 oc data rate - 1250 - mbps recommended operating condition
2 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com parameter symbol min typical max unit notes electrical power supply current i cc - - 180 ma maximum current is specifed at vcc= maximum @ maximum temperature transmit enable voltage ven 0 - 0.8 v transmit disable voltage vd 2.0 - vcc v data input current-low i il -200 - - a data input current-high i ih - - 200 a differential data input voltage v ih -v il 650 - 2000 mv ac-coupled transmitter specifcations parameter symbol min typical max unit notes optical sensitivity - - - -22 dbm measured with 2 7 -1 prbs, ber = 10 -12 maximum input power p in -3 - - dbm signal detect-asserted pa - - -22 dbm measured on transition: low to high signal detect-deasserted pd -38 - - dbm measured on transition: high to low signal detect-hysteresis 1.0 - - db wavelength of operation 1100 - 1620 nm receiver specifcations parameter symbol min typical max unit notes optical optical transmit power p o -5 - 0 dbm c-1xx-1250ac-fdfb-slc2 optical transmit power p o -3 - +2 dbm c-1xx-1250ac-fdfb-slc3 optical transmit power p o 0 - +5 dbm c-1xx-1250ac-fdfb-slc4 output center wavelength p -5.5 p p +7.5 nm p =1xx0 nm, c-1xx-1250ac-fdfb-slcx output spectrum width ? - - 1 nm -20 db width side mode suppression ratio sr 30 35 - dbm cw, p o =5mw extinction ratio er 9 - - db output eye compliant with ieee 802.3 optical rise time tr - - 0.26 ns 20% to 80% values optical fall time tf - - 0.26 ns 20% to 80% values relative intensity noise rin - - -120 db/hz total jitter tj - - 0.27 ns measured with 2 7 -1 prbs transmitter specifcations
3 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com legal notice connection diagram pin symbol notes 1 rxgnd directly connect this pin to the receiver ground plane 2 txvcc +3.3 v dc power for the receiver section 3 sd active high on this indicates a received optical signal(lvttl) 4 rd- receiver data out bar (lvpecl) 5 rd+ receiver dat out (lvpecl) 6 txvcc +3.3 v dc power for the transmitter section 7 txgnd directly connect this pin to the transmitter ground plane 8 txdis transmitter disable (lvttl) 9 td+ transmitter data in (lvpecl) 10 td- transmitter data in bar (lvpecl) attaching posts the attaching posts are at case potential and may be connected to chassis ground. they are isolated from circuit ground. parameter symbol min typical max unit note electrical power supply current i cc - - 120 ma the current excludes the output load current differential data output voltage v oh -v ol 800 - 1600 mv ac-coupled signal detect output voltage-low v sdl- v cc - - 0.5 v lvttl signal detect output voltage-high v sdh- v cc 2.0 - - v receiver specifcations
4 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com recommended circuit schematic the split-loaded terminations for ecl signals need to be located at the input of devices r eceiving those ecl signals. the power supply fltering is required for good emi performance. use short tracks from the inductor l1/l2 to the module rx vcc and tx vcc. a gnd plane under the module is required for good emi and sensitivity performance. ttl logic level fig. 3 2 vcc_rx post amp receiver pin bias amp tz rx_gnd 1 rx_d 5 rx_d 4 3 sd see fig. 2 driver transmitter laser 7 tx_gnd vcc_tx 6 tx_d 10 see tx_d 9 tx_dis 8 serializer / de-serializer with lv pecl lnputs/outputs 130 ? 130 ? vcc= +3.3v 82 ? z=50 ? z=50 ? 82 ? rd + rd - note 1 z=50 ? z=50 ? td - td + figure 1: recommended transceiver and receive data terminations
5 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com signal detect the c-1xx-1250ac-fdfb-slcx transceivers are equipped with lvttl signal detect output. the standard lvttl output eliminates the need for a lvpecl to lvttl level shifter in most applications. power coupling a suggested layout for power and ground connections is given in fgure 3a below. connections are made via separate voltage and ground planes. the mounting posts are at case ground and should not be connected to circuit ground. the mounting posts are at case ground and should not be connected to circuit ground. the ferrite bead should provide a real impedance of 50 to 100 ohms at 100 to 1000 mhz. bypass capacitors should be placed as close to the 10-pin connector as possible. r=130k ? or n.c r1 figure 2: signal detect values: c1, c2 = 1000pf, c3, = 0.1 uf c4, = 10 uf, l1, l2 = real impednce of 50 to 100 ohms to 1000 mhz. l1 c3 c4 c1 c2 vcc l2 figure 3: suggested power coupling-electrical schematic
6 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com a fber-optic receiver employs a very high gain, wide bandwidth transimpedance amplifer. this amplifer detects and amplifes signals that are only tens of na in amplitude when the receiver is operating near its limit. any unwanted signal current that couples into the receiver circuitry causes a decrease in the receivers sensitivity and can also degrade the performance of the receivers signal detect (sd) circuit. to mini - mize the coupling of unwanted noise into the receiver, careful attention must be given to the printed circuit board. at a minimum, a double-sided printed circuit board(pcb) with a large component side ground plane beneath the transceiver must be used. in applications that include many other high speed devices, a multi-layer pcb is highly r ecommended. this permits the placement of power and ground on separate layers, wich allows them to be isolated from the signal lines. multilayer construction also permits the routing of signal traces away from high level, high speed sinal lines. to minimize the possibility of coupling noise into the receiver section, high level, high speed signals such as transmitter inputs and clock lines should be r outed as far away as possible from the receiver pins. noise that couples into the receiver through the power supply pins can also degrade performance. it is recommended that a pi flter be used in both transmitter and receiver power supplies. o1.00 ! 0.05 17.78 10.50 (0.413) (0.039 ) ( 0.002) (0.700) 7.12 (0.070) (0.020) 1.78 0.50 (0.280) 3 . 8 1 5.08 ( 0 . 1 5 0 ) (0.200) 6.25 (0.246) ( 0 . 5 2 0 ) 1 3 . 2 0 (1.921) 1 0 . 1 6 ( 0 . 4 0 0 ) " 5 . 0 8 ( 0 . 5 9 4 ) " " . 3 6 ( 0 . 4 4 7 ) 6.97 3.95 (0. 274 ) (0. 155 ) " 3.50 9 . 8 0 (0. 531 ) ( 0 . 3 8 6 ) 2 . " 8 ( 0 . 0 8 6 ) 48.8 + 0 - 0.2 +( .000 ) -(0.008) ( 0 . 5 3 5 ) - ( 0 . 0 0 4 ) + ( . 0 0 0 ) + 0 - 0 . " " 3 . 6 - ( 0 . 0 0 4 ) + ( . 0 0 0 ) ( 0 . 3 8 6 ) - 0 . " + 0 9 . 8 ( 0 . 3 7 4 ) 9 . 5 0 package diagram units in mm(inch) emi and esc consideration luminentoic transceivers offer a metalized plastic case and a special chassis grounding clip. as shown in the drawing, this clip connects the module case to chassis ground then installs fush through the panel cutout. this way, the grounding clip brushes the edge of the cutout in order to make a proper contact. the use of a grounding clip also provides increased electrostatic protection and helps reduce radiated emission from the module or the host circuit board through the chassis faceplate. the attaching posts are at case potential and may be connected to chassis ground. they should not be connected to circuit ground. plastic optical subassemblies are used to further reduce the possibility of radiated emission by eliminating the metal from the transmitter and receiver diode housings, which extend into connector space. by providing a non-metal receptacle for the optical cable ferrule, the gigabit speed rf electrical signal is isolated from the connector area thus preventing radiated energy leakage from these surfaces to the outside of the panel. printed circuit board layout consideration
7 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com recommended panel mounting dimension in millimeter (inches) recommended board layout hole pattern 1.this figure describe the recommand circuit board layout for the sff transceiver. 2.the hatched areas are keep-out areas reserved for housing standoff. no metal traces or ground connection in keep-out areas. 3.the mounting studs should be soldered to chassis ground for mechanical integrity. dimension in millimeter (inches) notes:
8 1.25 gbps single mode sff lc transceiver c-1xx-1250ac-fdfb-slcx 20550 nordhoff st. ? chatsworth, ca 91311 ? tel: 818.773.9044 ? fax: 818.576.9486 9f, no 81, shui lee rd. ? hsinchu, taiwan, r.o.c. ? tel: 886.3.5169222 ? fax: 886.3.5169213 lumnds772-aug2304 rev. a.0 luminentoic.com important notice! all information contained in this document is subject to change without notice, at luminentoic s sole and absolute discretion. luminentoic warrants performance of its products to current specifcations only in accordance with the companys standard one-year warranty; however, specifcations designated as preliminary are given to describe components only, and luminentoic expressly disclaims any and all warranties for said products, including express, implied, and statutory warran - ties, warranties of merchantability, ftness for a particular purpose, and non-infringement of proprietary rights. please refer to the companys terms and conditions of sale for further warranty information. luminentoic assumes no liability for applications assistance, customer product 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 luminentoic makes no representations or warranties that the product(s) described herein are free from patent, copyright, or intellectual property rights. products described in this docu - ment are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. luminentoic customers using or selling products for use in such applications do so at their own risk and agree to fully defend and indemnify luminentoic 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 luminentoic 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 luminentoic to obtain the latest version of this publication to verify , before placing any order, that the information contained herein is current. ? luminentoic, inc. 2003 all rights reserved handling precautions: this device is susceptible to damage as a result 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. warnings: legal notes: ordering information c - 1xx- 1250ac - fdfb - s lc txpower ? 1xx = wavelength 1xx0 nm xx=27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61 ? communication protocol 1250ac= ac coupled signal, lvttl sd output ? connector options ? tx power range 2 = -5 to 0 dbm 3 = -3 to +2 dbm 4 = 0 to +5 dbm ? fdfb = +3.3v sff transceiver ? single mode fber available options: y c-1xx-1250ac-fdfb-slc2 c-1xx-1250ac-fdfb-slc3 c-1xx-1250ac-fdfb-slc4 part numbering defnition: y
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