1 MFR62340-J parallel fiber receiver preliminary information features data rate 155mbps to 2.5gbps per channel 12 parallel channels, total 30gbps capacity differential cml (current-mode logic) interface link length up to 300m (with 500mhz . km fiber) channel ber 10 -12 when used with mft62340 designed for multimode fiber ribbon mpo/mtp or mpx connector options surface-mount package pick-and-placeable, reflow soldering matches the mft62340 transmitter emi shield available applications high-speed interconnects switches, routers, transport equipment interconnects within and between equipment rack-to-rack shelf-to-shelf board-to-board board-to-optical backplane description the mft62340 and mfr62340 is a very high speed transmitter and receiver pair for parallel fiber applications. this pair, together with a multimode parallel fiber ribbon cable, constitute a complete parallel fiber link. the link provides high-speed interconnects for use within and between large capacity switches, routers and data transport equipment. the transmitter and receiver have a differential cml interface and support mpo/mtp and mpx fiber connectors. an emi shield is available for the mpo/mtp connector for use in front panel applications. figure 1 - MFR62340-Jo: mpo/mtp connector option ds5397 15095.00.10 issue 1.2 dec 2000 ordering information MFR62340-Jo mpo/mtp connector MFR62340-Jos with emi shield MFR62340-Jx mpx connector dimensions in mm
MFR62340-J preliminary information 2 * exceeding these values may cause permanent damage. functional operation under these conditions is not implied. ** human body model. recommended operating conditions* * maximum run length: 72 consecutive 1?s or 0?s; dc balance to be maintained within 144 bits. fiber: 50/125 m or 62.5/125 m. characteristics* * operating conditions are as per recommended operating conditions. test pattern prbs 2 31 -1 at 2.5gbps and 50% duty cycle unless otherwise specified. ** measured back to back with minimum extinction ratio and both adjacent channels operating. absolute maximum ratings* parameter symbol min max unit 1 supply voltage v cc -0.5 4.0 v 2 voltage on any pin v pin -0.5 v cc +0.3 v 3 operating and storage moisture m os 20 85 % 4 storage temperature t stg -20 100 c 5 esd resistance all i/o** v e -2 2 kv parameter symbol min max unit 1 case temperature t case 080c 2 supply voltage v cc 3.3-5% 3.3+5% v 3 data rate per channel f d 0.155 2.5 gbps 4 optical wavelength 800 860 nm 5 cml differential load impedance (fig. 2) z o 80 120 ? 6 extinction ratio er 6 db 7 power supply noise (1mhz to 2ghz) v nps 100 mv p-p parameter symbol min typ max unit 1 power consumption (0.155 to 2.5 gbps) p d 1.8 2.4 w 2 power supply current i cc 550 760 ma 3 saturation (average power) p sat -3 dbm 4 sensitivity (ber 10 -12 )** p s12 -15 dbm 5 deterministic jitter dj 50 ps p-p 6 random jitter (p f = -10dbm) rj 7.6 ps rms 7 cml differential output rise/fall time (20-80%, fig. 3) t rc , t fc 160 ps 8 cml differential output voltage (fig. 2,3) v ocml 250 350 450 mv 9 cml differential output reflection coefficient s 22 -5 db 10 channel skew t sk 175 ps 11 nmos output voltage low (i sink = 3ma) v lnmos 0.4 v 12 nmos output voltage high v hnmos 2.4 v
3 preliminary information MFR62340-J figure 2 - differential cml interface figure 3 - differential cml timing diagram +3.3v mfr62340 cml output recommended cml input z in =100 ? differential 100n f 100n f z o =100 ? differential 80% 20% t rc t fc v ocml data inv data
MFR62340-J preliminary information 4 figure 4 - pin assignment (top view) pin description MFR62340-J 1 25 26 50 fiber connector fiber ribbon 1 12 no name logic description no name logic description 1 gnd ground 50 gnd ground 2v cc positive power supply 49 v cc positive power supply 3v cc positive power supply 48 v cc positive power supply 4los 1,4 nmos loss of signal ch. 1,4 1 47 not connected 5los 5,8 nmos loss of signal ch. 5,8 1 46 not connected 6los 9,12 nmos loss of signal ch. 9,12 1 45 not connected 7 gnd ground 44 gnd ground 8 do1 cml data output no 1. 43 do12c cml data output no 12, inv. 9 do1c cml data output no 1, inv. 42 do12 cml data output no 12. 10 gnd ground 41 gnd ground 11 do2 cml data output no 2. 40 do11c cml data output no 11, inv. 12 do2c cml data output no 2, inv. 39 do11 cml data output no 11. 13 gnd ground 38 gnd ground 14 do3 cml data output no 3. 37 do10c cml data output no 10, inv. 15 do3c cml data output no 3, inv. 36 do10 cml data output no 10. 16 gnd ground 35 gnd ground 17 do4 cml data output no 4. 34 do9c cml data output no 9, inv. 18 do4c cml data output no 4, inv. 33 do9 cml data output no 9. 19 gnd ground 32 gnd ground 20 do5 cml data output no 5. 31 do8c cml data output no 8, inv. 21 do5c cml data output no 5, inv. 30 do8 cml data output no 8. 22 gnd ground 29 gnd ground 23 do6 cml data output no 6. 28 do7c cml data output no 7, inv. 24 do6c cml data output no 6, inv. 27 do7 cml data output no 7. 25 gnd ground 26 gnd ground 1 low = loss of signal detected. open drain with internal pull-up resistor 40k ? . all los pins may be tied together (wired or) to create one loss of signal (los) output.
5 preliminary information MFR62340-J mechanical drawings figure 5 - MFR62340-Jo: mpo/mtp connector option figure 6 - MFR62340-Jos: mpo/mtp connector option with emi shield dimensions in mm dimensions in mm
MFR62340-J preliminary information 6 figure 7 - MFR62340-Jx: mpx connector option pcb footprints figure 8 - MFR62340-Jo: mpo/mtp connector option (top view) dimensions in mm dimensions in mm solid lines indicate board layout dashed lines indicate module outline
7 preliminary information MFR62340-J figure 9 - MFR62340-Jos: mpo/mtp connector option with emi shield (top view) figure 10 - MFR62340-Jx: mpx connector option (top view) dashed lines indicate module outline solid lines indicate board layout dimensions in mm dashed lines indicate module outline solid lines indicate board layout dimensions in mm
8 preliminary information MFR62340-J electrical connections figure 11 - recommended electrical connections
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