description this product is designed to provide high optical performance for sdh stm- 1 /sonet oc- 3 . transmitter uses uncooled laser in a hermetic pigtail coaxial module with drivered by specific integrated circuit. receiver uses pin preamp in a hermetic pigtail coaxial module and integrated circuits for reshaping,retiming and regenerating optical signal. features l sonet,sdh system from intra-office to long-leach application fully line up l low cost and low power consumption l multisourced 20-pin dip with single-mode pigtail fiber l single + 3.3 v power supply and lv p-ecl compatible input and output l operating case temperature range -40 to 85deg. l with clock recovery and digital alarm function applications sonet,sdh system from intra-office to long-leach application fully line up : s-1.1, l-1.1, l-1.2 absolute maximum ratings stress below listed absolute maximum rating may cause permanent damage to the module. this is a stress only and functional operation of the module at these or any other conditions in excess of those given in the operational sections of this data sheet. exposure to absolute maximum rating for extended periods may affect module reliability. ta=25deg. parameters note symbol ratings unit supply voltage vcc + 4 to 0 v lv pecl high output current - -50 to 0 ma lv pecl input voltage - 0 to vcc+0.4 v storage temperature tstg -40 to 85 deg. operating case temperature tc -40 to 85 deg. soldering temperature - +260 deg. soldering time - 10 sec relative humidity(non condensation) - 10 to 80 % fiber bend radius from package rf 32 mm mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
block diagram alarm curcuit opt.out data n in data in laser-bias current monitor(-) shut down command laser-bias current monitor(+) rear facet current monitor(-) rear facet current monitor(+) driver ic ld module transmitter a.p.c. curcuit driver ic pd ld integrated device laser degrade alarm limiting & clock recovery ic opt.in cl oc k n out cl oc k out data n out data out flag(+) receiver pll decider alarm pd- preamp module rt amp preamp pd mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
electrical characteristics all parameters are specified over the operating case temperature. measurement conditions are at 155.52 mb/s+/-20ppm, nrz pn2 23 -1 and 50 %duty cycle data signal. the data input/output and clock output signal levels are lv pecl compatible. the transmitter shut down command input signal level is lv ttl compatible. the lda(laser degrade alarm) output signal level is lvttl compatible. the flag(+/-) output signal level are lvttl compatible. transmitter parameters condition symbol min. typ. max. unit supply voltage vcc 3.13 3.3 3.47 v power consumption pc - - 200 ma vih1 vcc-1.17 - vcc-0.73 v lv pecl high / low input voltage note 1 vil1 vcc-1.95 - vcc-1.45 v v ih2 + 2 - vcc v sdc high / low input voltage note 2 v il2 0 - +0.8 v voh 2.4 - vcc v lda high / low output voltage note 8 vol 0.0 - 0.4 v laser bias monitor voltage note 3 vb - 0.1 - v rear facet monitor voltage note 3 vbf - 0.1 - v receiver parameters condition symbol min. typ. max. unit supply voltage vcc 3.13 3.3 3.47 v power consumption pc - - 200 ma voh1 vcc-1.10 - vcc-0.86 v lv pecl high / low output voltage note 4,5 vol1 vcc-1.86 - vcc-1.5 v data/clock external load note 4 ri 50 ohm data to clock phase note 6 tcda - 8 00 - 8 00 psec. clock duty note 6 - 45 - 55 % jitter - itu rec.compliant - voh2 2.4 - vcc v flag high / low output voltage vol2 0 - 0.4 v flag activation time note 5,7 - 200 - m s flag deactivation time note 5,7 - - 100 m s mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
optical characteristics parameter specification unit itu code s- 1 .1 l- 1 .1 l- 1 .2 min. max. min. max. min. max. optical budget 0 20 0 2 9 10 30 db transmitter wavelength 12 61 136 0 1280 1335 1480 1580 nm optical source mlm slm slm - optical power at pigtail -14 -8 -5 0 - 4 0 dbm optical power when disable - - 4 5 - -45 - -45 dbm spectral width( rms) - 4 - - - - nm spectral width(-20db) - - - 1 - 1 nm smsr - - 3 0 - 30 - db extinction ratio 8.2 - 10 - 10 - db optical wave form sonet/sdh mask compliant - path penalty ( dispersion=itu-t compliant) - 1 - 1 - 1 db receiver min. typ. max. wavelength 1260 1580 nm sensitivity - - - 34 dbm overload 0 - - dbm ordering information transmitter itucode optical connector type receiver optical connector type part number fc sc st part number fc sc st s- 1 .1 004va 004wa 004sa l- 1 .1 005va 005wa 005sa mf- 156sta - l- 1 .2 006va 006wa 006sa mf- 156sra - 002va 002wa 002sa mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
transmitter pin allocation no. symbol description no. symbol description 1 n u c no user connection 20 n u c no user connection 2 bm (+) laser-bias current monitor(+) 19 rfm (+) rear facet current monitor(+) 3 n u c no user connection 18 vcc vcc 4 bm (-) laser-bias current monitor(-) 17 rfm (-) rear facet current monitor(-) 5 gnd ground 16 d true data input 6 vcc vcc 15 d n false data input 7 sdc shut down command 14 gnd ground 8 vcc vcc 13 nic no internal connection 9 vcc vcc 12 vcc vcc 10 lda laser degrade alarm 11 nic no internal connection pin descriptions pin no. function i/o pin description 5,14 gnd i these pin s are the module?s ground connections. they should be connected to a low i m pedance ground plane(0v). 6,8,9, 12,18 vcc i this is the power supply pin for the module. it should be connected to + 3 . 3 v. recommended power supply decoupling. 15,16 d & d n i this data input pin modulates the laser diode. when the d input is asserted ,the laser diode is turned on. signal level of these pin are lv pecl level and internal vbb bias. refer to electrical interface in note1. 7 sdc i the transmitter is nomally enabled and only requires an external voltage to disable. refer to electrical interface in note2. 2,4 bm (+), bm (-) o the laser bias current is calculated as a ratio of the voltage to an internal 10 ohm sensing resistor. ib[ ma]={ bm (+)- bm (-)}[mv]/10 refer to electrical interface in note3. 17,19 rfm (+), rfm (-) o the rear facet current monitor is calculated as a ratio of the voltage to an internal 200 ohm sensing resistor. ibf[ ma]={ rfm (+)- rfm (-)}[mv]/200 refer to electrical interface in note3. 10 lda o this pin activates when the bias current has reached the maximum operating value at each temperature. the alarm shall not acrivate in shutdown condition. refer to electrical interface in note8. 1,3,20 n u c - these pin s are no user connection and should be left open. 11,13 nic - these pin s are no internal connection . mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
receiver pin allocation no. symbol description no. symbol description 1 gnd ground 20 n u c no u ser c onnection 2 gnd ground 19 n u c no u ser c onnection 3 gnd ground 18 n u c no u ser c onnection 4 ck true clock output 17 n u c no u ser c onnection 5 ck n false clock output 16 gnd ground 6 gnd ground 15 gnd ground 7 d true data output 14 flagn differential flag output(-) 8 gnd ground 13 nic no internal connection 9 d n false data output 12 flag differential flag output(+) 10 nuc no user connection 11 vcc vcc pin descriptions pin no. function i/o pin description 1,2,3,6, 8,15,16 gnd i these pin s are the module?s ground connections. they should be connected to a low i m pedance ground plane(0v). 11 vcc i this is the power supply pin for the module. it should be connected to + 3 . 3 v. recommended power supply decoupling. 7,9 d & d n o there are data output pin(differential lv pecl output). signal level of these pin are lv pecl level. refer to electrical interface in note4. 4,5 c k & c kn o there are recoverd clock output pin(differential lv pecl output). signal level of these pin are lv pecl level. refer to electrical interface in note4. 12,14 flag & flagn o when the optical input signal fall bellow the flag threshold level, the flag is de asserted and its output logic level changes form a lvtt l high to lvttl low. flagn pin is differential lvttl output pin. refer to electrical interface in note5. 10, 17, 18,19,20 nuc - these pin s are no user connection and should be left open. 13 n i c - th is pin is no internal c onnection. mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
general outline drawing dimensions are in millimeters transmitter receiver mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module 2.20 0.3 single mode fiber 2.20 0.3 single mode fiber
note note1 lv pecl input interface note2 sdc interface note3 laser bias current / rear facet current monitor interface. off comparator transmitter disable input optical output transmitter vcc 0v the transmitter is normally enabled and only requires an external voltage to disable. lvttl on 10 kohm transmitter 1 0 kohm lv pecl data data vbb mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module laser bias current monitor rear facet current monitor 10ohm 3kohm 3kohm 200ohm 3kohm 3kohm transmitter ld module a.p.c. curcuit pd ld
note4 lv pecl output interface dc-coupled ac-coupled note5 flag interface note6 data and clock relationship receiver data / clock pecl 0.1uf vcc-2v data / clock 50ohm 50ohm 50ohm 180 ohm 180 ohm receiver data / clock 0.1uf 0.1uf data / clock d ata rx c lock rx td td +/- 8 00psec. 45% clock duty 55% center data flag flagn optical signal flag receiver lvtt l off on flagn lvtt l mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module
note7 flag response time: note 8 lda interface flag activation time typ.=200 m s flag flag deactivation time 100ms lvttl lvttl lda vcc 0v lda output laser degrade condition normal operation transmitter mitsubishi (optical devices) mf-156sta-xxxxx mf-156sra-xxxxx sonet / sdh transmitter / receiver module optical wave optical wave
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