datasheet 8 gbps bi-directional sfp+ transceiver SFP-8GD-SX features designed for sff-8472 compliance (sfp) up to 8.5 gbps data rates - 2.125/4.25/8.5 gbps fibre channel multi-mode optics (duplex lc) dual- ber, bi-directional class 1 laser (tx): 850 nm 50 m range on 50/125 m mmf 150 m range on high-bandwidth 50/125 um (om3) mmf digital diagnostics (sff-8472) extended operating temperature range rohs compliant and lead free metal enclosure, for lower emi 1 absolute maximum ratings* parameter symbol minimum maximum unit note maximum supply voltage v cc -0.5 4.0 v - case operating temperature t a -5 70 oc - storage temperature t s -40 85 oc - relative humidity (non-condensing) rh 0 85 % - *exceeding the limits listed in the table may damage the transceiver module permanently general speci cations parameter symbol minimum maximum unit note data rate br 2.125 8.5 gbps 1 bit error rate ber - 10 -12 -2 fiber length on 50/125 m mmf l - 300 150 50 m 3 4 5 fiber length on 50/125 m high-bandwidth (om3) mmf l- 500 380 150 m 3 4 5 notes: 1. 2x and 4x fibre channel compatible, per fibre channel physical interface-4 speci cation (fc-pi-4 rev. 7.00). american national standard for information systems, september 20, 2007. 2. prbs 2 7 -1. 3. at 2.125 gb/s fibre channel data rate. 4. at 4.25 gb/s fibre channel data rate. 5. at 8.5 gb/s fibre channel data rate.
datasheet 2 electrical speci cations parameter symbol minimum maximum unit note supply voltage v cc 3.00 3.60 v - supply current i cc - 240 ma - transmitter input di erential impedance r in 80 120 1 single ended data input swing v in, pp 90 800 mv - transmit disable voltage v d 2v cc v2 transmit enable voltage v en v ee v ee + 0.8 v - receiver single ended data output swing v out, pp 170 400 mv 3 data output rise/fall time @ 2.125 gbps, 4.25 gbps t r, t f - 120 ps 4 data output rise/fall time @ 8.5 gbps t r, t f -60ps4 los fault v los fault 2v cc host v5 los normal v los norm v ee v ee + 0.8 v 5 power supply rejection psr 100 - mvpp 6 deterministic jitter contribution @ 2.125 gbps rx dj - 47.1 ps - total jitter contribution @ 2.125 gbps rx tj - 123.5 ps 7 deterministic jitter contribution @ 4.25 gbps rx dj - 23.5 ps - total jitter contribution @ 4.25 gbps rx tj - 61.8 ps 8 deterministic jitter @ 8.5 gbps rx dj - 49.4 ps 8 pulse width shrinkage @ 8.5 gbps rx ddpws - 42.4 ps 8 total jitter @ 8.5 gbps rx tj - 83.5 ps 8 notes: 1. connected directly to tx data input pins. ac coupling from pins into laser driver ic. 2. or open circuit. 3. into 100 ohms di erential termination. 4. un ltered, 20 C 80 % 5. los is an open collector output. should be pulled up with 4.7 k C 10 kohms on the host board. normal operation is logic 0 ; loss of signal is logic 1. maximum pull-up voltage is 5.5 v. 6. receiver sensitivity is compliant with power supply sinusoidal modulation of 20 hz to 1.5 mhz up to speci ed value applied through the recommended power supply ltering network. 7. if measured with tj-free data input signal. in actual application, output tj will be given by: tj out = dj in + dj + (tj in - dj in ) 2 + (tj - dj ) 2 8. as de ned in fc-pi-4, rev 7.0, table 13, 800-mx-sn-y, fibre channel physical interface-4 speci cation (fc-pi-4 rev. 7.00). american national standard for information systems, september 20, 2007.
datasheet 3 optical speci cations parameter symbol minimum maximum unit note transmitter output optical power: 50 or 62.5 mmf p out -9 -2 dbm 1 optical wavelength 830 860 nm - spectral width - 0.65 nm - optical modulation amplitude @ 2.125 gbps oma -7.1 - dbm 2 optical modulation amplitude @ 4.25 gbps oma -6.1 - dbm 2 optical modulation amplitude @ 8.5 gbps oma -5.2 - dbm 2 optical rise/fall time @ 2.125, 4.25 gbps t r, t f -90ps3 transmitter waveform and dispersion penalty @ 8.5 gbps twdp - 4.2 db 4 relative intensity noise rin - -128 db/hz - deterministic jitter contribution @ 2.125 gbps tx dj - 56.5 ps - total jitter contribution @ 2.125 gbps tx tj - 119.6 ps 5 deterministic jitter contribution @ 4.25 gbps tx dj - 28.2 ps - total jitter contribution @ 4.25 gbps tx tj - 59.8 ps 5 receiver receiver oma sensitivity @ 2.125 gbps rx sens - -13.1 dbm - receiver oma sensitivity @ 4.25 gbps rx sens - -12.1 dbm - receiver oma sensitivity @ 8.5 gbps rx sens - -11.2 dbm - maximum average receiver power rx max 0 - dbm - optical center wavelength c 770 860 nm - optical return loss - 12 - db - los de-assert los d - -18 dbm - los assert los a -30 - dbm - los hysteresis - 0.5 - db - notes: 1. class 1 laser safety per fda/cdrh, and en (iec) 60825 laser safety standards. 2. equivalent extinction ratio speci cation for fibre channel. allows smaller er at higher average power. 3. un ltered, 20-80%. complies with fc 1x and 2x eye mask when ltered. 4. twdp is calculated with a 1.0 equalizer and a 6,860 mhz gaussian lter for the ber simulation. jitter values at t and r are controlled by twdp and stress receiver sensitivity. 5. if measured with tj-free data input signal. in actual application, output tj will be given by: tj out = dj in + dj + (tj in - dj in ) 2 + (tj - dj ) 2
datasheet pin descriptions pin function name/description note 1 v eet transmitter ground (common with receiver ground) 1 2 t fault transmitter fault. 2 3 t dis transmitter disable. laser output disabled on high or open. 3 4 sda 2-wire serial interface data line (mod-def2) 4 5 sca 2-wire serial interface clock (mod-def1) 4 6 mod_abs module absent, connected to v eet or v eer 4 7 rs0 rx rate select: open or low = 2.125 or 4.25 gbps fibre channel (low bandwidth) high = 8.5 gbps fibre channel (high bandwidth) 5 8 los loss of signal indication. logic 0 indicates normal operation. 6 9 rs1 tx rate select: open or low = 2.125 or 4.25 gbps fibre channel (low bandwidth) high = 8.5 gbps fibre channel (high bandwidth) 5 10 v eer receiver ground (common with transmitter ground) 1 11 v eer receiver ground (common with transmitter ground) 1 12 rd- receiver inverted data out. ac coupled. - 13 rd+ receiver non-inverted data out. ac coupled. - 14 v eer receiver ground (common with transmitter ground) 1 15 v ccr receiver power supply - 16 v cct transmitter power supply - 17 v eet receiver ground (common with transmitter ground) 1 18 td+ transmitter non-inverted data in. ac coupled. - 19 td- transmitter inverted data in. ac coupled. - 20 v eet receiver ground (common with transmitter ground) 1 notes: 1. circuit ground is internally isolated from chassis ground. 2. t fault is an open collector/drain output, which should be pulled up with a 4.7 k C 10 kohms resistor on the host board if intended for use. pull up voltage should be between 2.0 v to vcc + 0.3 v. a high output indicates a transmitter fault caused by either the tx bias current or the tx output power exceeding the preset alarm thresholds. a low output indicates normal operation. in the low state, the output is pulled to < 0.8 v. 3. laser output disabled on t dis > 2.0 v or open, enabled on t dis < 0.8 v. 4. should be pulled up with 4.7 k C 10 kohms on host board to a voltage between 2.0 v and 3.6 v. mod_abs pulls line low to indicate module is plugged in. 5. rate select can also be set through the 2-wire bus in accordance with sff-8472 v. 10.1. rx rate select is set at bit 3, b yte 110, address a2h. tx rate select is set at bit 3, byte 118, address a2h. note: writing a 1 selects maximum bandwidth operatio n. rate select is the logic or of the input state of rate select pin and 2-wire bus. 6. los is open collector output. should be pulled up with 4.7 k C 10 kohms on host board to a voltage between 2.0 v and 3.6 v. logic 0 indicates normal operation; logic 1 indicates loss of signal. 4
datasheet veet veet veer veer td- td+ rd+ rd- vcct vccr veet veer tx_fault sd a scl mod_abs rs0 rx_los 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 towards tx_disable rs1 towards bezel a sic diagram of host board connector block pin numbers and names mechanical dimensions 5
datasheet mrv-op-sfp8gdsx-031609 copyright ?2009 mrv communications, inc. all rights reserved. 3020072-001 rev. a1 mrv has more than 50 o ces throughout the world. addresses, phone numbers and fax numbers are listed at www.mrv.com. please e-mail us at sales@mrv.com or call us for assistance. mrv los angeles mrv boston mrv international 20415 nordho st. 295 foster st. business park moerfelden chatsworth, ca 91311 littleton, ma 01460 waldeckerstrasse 13 800-338-5316 800-338-5316 64546 moerfelden-walldorf 818-773-0900 978-952-4700 germany tel. (49) 6105/2070 fax (49) 6105/207-100 all statements, technical information and recommendations related to the products herein are based upon information believed to be reliable or accurate. however, the accuracy or completeness thereof is not guaranteed, and no responsibilit y is assumed for any inaccuracies. please contact mrv c ommunications for more information. mrv communications and the mrv communications logo are trademarks of mr v communications, inc. other trademarks are the property of their respective holders. ordering information model description data rate (mbps) wavelength (nm) connector bail latch color max. link length (m) SFP-8GD-SX sfp+, 2.125 / 4.25 / 8.5 gbps, mm, with digital diagnostic. 2125 - 8500 850 duplex lc black 0 -300 please visit http://www.mrv.com or contact a sales repr esentative for more information and for ordering. class 1 laser product, complies with 21cfr 1040.10, 1040.11 and en 60825-1 certi ed by one or more of the following agencies: tv, ul, csa rohs directive; china rohs; california rohs law, reach directive svhc regulatory and industry compliances
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