parameter symbol minimum maximum units storage temperature t st - 40 + 85 c operating case temperature 1 b option t op - 5 + 70 c a option - 40 + 85 supply voltage v cc 0 + 4.5 v input voltage v in 0 v cc v 1 measured on top side of sfp module at the front center vent hole of the cage. absolute maximum ratings fast ethernet sfp single mode transceivers with digital diagnostics TRPAFESM the TRPAFESM sfp series of fiber optic transceivers with integrated digital diagnostics monitoring functionality provide a quick and reliable inter - face for 100base-fx fast ethernet single mode applications. the diagnos - tic functions, alarm and warning features as described in the multi-source agreement (msa) document, sff-8472 (rev. 9.4), are provided via an i 2 c serial interface. the transmitter optical output power is compliant with ansi x3.184-1993 standard for fddi smf-pmd category i. all modules satisfy class i laser safety requirements in accordance with the u.s. fda/cdrh and interna - tional iec-60825 standards. the transceivers connect to standard 20-pad sfp connectors for hot plug capability. this allows the system designer to make configuration chang - es or maintenance by simply plugging in different types of transceivers without removing the power supply from the host system. the transceivers have bail-type latches, which offer an easy and conve - nient way to release the modules. the latch is compliant with the sfp msa. the transmitter design incorporates a highly reliable 1310nm ingaasp la - ser and a driver circuit. the receiver features a transimpedance amplifier ic for high sensitivity and wide dynamic range. the transmitter and re - ceiver data interfaces are ac-coupled internally. lv-ttl transmitter dis - able control input and loss of signal output interfaces are also provided. the transceivers operate from a single +3.3v power supply over an op - erating case temperature range of -5c to +70c (b option) or -40c to +85c (a option). the housing is made of plastic and metal for emi im - munity. product description ? compatible with sfp msa ? designed for fast ethernet 100base-fx applications ? digital diagnostics through serial interface ? internal calibration for digital diagnostics ? 1310nm fabry perot laser transmitter ? eye safe (class i laser safety) ? hot-pluggable ? -40c to +85c operating case temperature option ? tx fault & loss of signal outputs ? tx disable input ? duplex lc optical interface ? single +3.3v power supply features revb.-np 2009.03.01 an oplink company
oplink communications, in c. transmitter performance characteristics (over operating case temperature, v cc = 3.13 to 3.47v) receiver performance characteristics (over operating case temperature, v cc = 3.13 to 3.47v) TRPAFESM all parameters guaranteed only at typical data rate all parameters guaranteed only at typical data rate parameter symbol minimum typical maximum units operating data rate 1 b - 125 - mb/s optical output power 2 p o - 19.0 - - 14.0 dbm center wavelength c 1261 - 1360 nm spectral width (rms) ? rms - - 5.0 nm optical rise/fall time (10% to 90%) t r, t f - - 2 ns extinction ratio p hi /p lo 10 - - db optical output power of off transmitter p off - - - 45 dbm duty cycle distortion (peak-to-peak) dcd - - 1.0 ns random jitter (peak-to-peak) 3 rj - - 0.76 ns data dependent jitter (peak-to-peak) ddj - - 0.6 ns optical output eye 4 compliant with telcordia gr-253-core and itu-t recommendation g.957 oc-3/stm-1 eye mask 1 data rate ranges from 50mb/s to 266mb/s. however, some degradation may be incurred in overall performance. 2 measured average power coupled into single mode fiber. the minimum power specified is at beginning-of-life. 3 defined as 12.6 times the rms value per fddi smf-pmd. 4 compliance with the optical pulse envelope in fddi smf-pmd is not specified and is not claimed. parameter symbol minimum typical maximum units operating data rate 1 b - 125 - mb/s receiver sensitivity (2.5x10 -10 ber) 2 p min - 32.5 - 35.0 - dbm maximum input optical power (2.5x10 -10 ber) 2 p max - 7.0 0 - dbm los thresholds increasing light input p los+ p los- + 1.5 db - - 34.0 dbm decreasing light input p los- - 45.0 - - los hysteresis - 1.5 - - db los timing delay increasing light input t_loss_of - - 100 s decreasing light input t_loss_on - - 350 wavelength of operation 1100 - 1600 nm contributed duty cycle distortion jitter (peak-to-peak) dcd - - 0.4 ns contributed data dependent jitter (peak-to-peak) ddj - - 1.0 ns contributed random jitter (peak-to-peak) 3 rj - - 2.14 ns 1 data rate ranges from 50mb/s to 266mb/s. however, some degradation may be incurred in overall performance. 2 specified in average optical input power, and when measured at 1310nm wavelength, 125mb/s, 2 7 -1 prbs with optical input rise/fall time of 2.5ns and optimum sampling. 3 defined as 12.6 times the rms value per fddi smf-pmd. 2 revb.-np 2009.03.01 laser safety: all transceivers are class i laser products per fda/cdrh and iec-60825 standards. they must be oper - ated under specifed operating conditions. oplink communications, inc. date of manufacture: this product complies with 21 cfr 1040.10 and 1040.11 meets class i laser safety requirements
oplink communications, in c. electrical pad layout host board connector pad layout toward bezel toward asic 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 tx gnd td- (tx data in-) td+ (tx data in+) tx gnd vcctx vccrx rx gnd rd+ (rx data out+) rd- (rx data out-) rx gnd top of board 1 2 3 4 5 6 7 8 9 10 tx gnd tx fault tx disable mod_def(2) mod_def(1) mod_def(0) no connection los rx gnd rx gnd bottom of board (as viewed thru top of board) TRPAFESM revb.-np 2009.03.01 3 parameter symbol minimum typical maximum units input voltage swing (td+ & td-) 1 v pp-dif 0.25 - 2.4 v input high voltage (tx disable) 2 v ih 2.0 - v cc v input low voltage (tx disable) 2 v il 0 - 0.8 v output high voltage (tx_fault) 3 v oh 2.0 - v cc + 0.3 v output low voltage (tx_fault) 3 v ol 0 - 0.8 v 1 diferential peak-to-peak voltage. 2 there is an internal 4.7 to 10k pull-up resistor to vcct . 3 open collector compatible, 4.7 to 10k pull-up resistor to vcc (host supply voltage). parameter symbol minimum typical maximum units output voltage swing (rd+ & rd-) 1 v pp-dif 0.6 - 2.0 v output high voltage (los) 2 v oh 2.0 - v cc + 0.3 v output low voltage (los) 2 v ol 0 - 0.5 v 1 diferential peak-to-peak voltage across external 100 load. 2 open collector compatible, 4.7 to 10k pull-up resistor to vcc (host supply voltage). parameter symbol minimum typical maximum units supply voltage v cc 3.13 3.3 3.47 v supply current i cc - 175 245 ma mod_def(0) pin 6 mod_def(1) pin 5 mod_def(2) pin 4 interpretation by host ttl low scl sda serial module definition protocol transmitter electrical interface (over operating case temperature, v cc = 3.13 to 3.47v) receiver electrical interface (over operating case temperature, v cc = 3.13 to 3.47v) electrical power supply characteristics (over operating case temperature, v cc = 3.13 to 3.47v) module definition
oplink communications, in c. revb.-np 2009.03.01 example of sfp host board schematic TRPAFESM application notes 18 19 3 15 0. 1 16 0. 1 + 10 1, 9, 10, 11, 14, 17, 20 0. 1 + 10 13 12 5 4 6 8 r 2 rr r 10 0 (100 to ground internally) vcc 3.3v vcc 3.3v tx disable tx data in+ tx data in- 1h coil or ferrite bead (<0.2 series resistance) tx fault los mod_def(2) mod_def(1) mod_def(0) rx data out+ to 50? load rx data out- to 50? load electrical interface: all signal interfaces are compliant with the sfp msa specification. the high speed data interface is differential ac-coupled internally with 0.1f and can be directly connected to a 3.3v serdes ic. all low speed control and sense output signals are open collector ttl compatible and should be pulled up with a 4.7 - 10k resistor on the host board. loss of signal (los): the loss of signal circuit monitors the level of the incoming optical signal and generates a logic high when an insufficient photocurrent is produced. tx fault: the output indicates low when the transmitter is operating normally, and high with a laser fault including laser end-of-life. tx fault is an open collector/drain output and should be pulled up with a 4.7 - 10k resistor on the host board. tx fault is non-latching (automatically deasserts when fault goes away). tx disable: when the tx disable pin is at logic high, the transmitter optical output is disabled (less than -45dbm). serial identification and monitoring: the module definition of sfp is indicated by the three module definition pins, mod_ def(0), mod_def(1) and mod_def(2). upon power up, mod_ def(1:2) appear as nc (no connection), and mod_def(0) is ttl low. when the host system detects this condition, it activates the serial protocol (standard two-wire i 2 c serial interface) and generates the serial clock signal (scl). the positive edge clocks data into the eeprom segments of the sfp that are not write protected, and the negative edge clocks data from the sfp. the serial data signal (sda) is for serial data transfer. the host uses sda in conjunction with scl to mark the start and end of serial protocol activation. the supported monitoring functions are temperature, voltage, bias current, transmitter power, average receiver signal, all alarms and warnings, and software monitoring of tx fault/los. the device is internally calibrated. the data transfer protocol and the details of the mandatory and vendor specific data structures are defined in the sfp msa and sff-8472, rev. 9.4. power supply and grounding: the power supply line should be well-filtered. all 0.1f power supply bypass capacitors should be as close to the transceiver module as possible. 4 TRPAFESM r: 4.7 to 10k
oplink communications, inc. reserves the right to make changes in equipment design or specifcations without notice. information supplied by oplink commu - nications, inc. is believed to be accurate and reliable. however, no responsibility is assumed by oplink communications, inc. for its use nor for any infringements of third parties, which may result from its use. no license is granted by implication or otherwise under any patent right of oplink communications, inc. ? 2008, oplink communications, inc. 46335 landing pkwy fremont, ca 94538 tel: (510) 933-7200 fax: (510) 933-7300 email: sales@oplink.com ? www.oplink.com 13.90.2 .546.008 6.250.05 .246.002 1.27 -0.13 0 .050 -.005 +.000 0.98 -0.13 0 .038 -.005 +.000 56.7 2.23 ref 13.67 13.54 .54 .53 8.51 .335 47.3 1.861 1.8 .07 8.9 .350 1 .04 front edge of transceiver cage 41.80.15 1.646.006 450.20 1.771.008 ordering information package outline TRPAFESM revb.-np 2009.03.01 5 dimensions in inches [mm] default tolerances: .xxx = .005, .xx = .01 oplink can provide a remarkable range of customized optical solutions. for detail, please contact oplinks sales and marketing for your requirements and ordering information (510) 933-7200 or sales@oplink.com.
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