2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 1 oas25323 series part number oas25323x-nv-wdm-yy-zz modification history rev. date originator comments, modifications draft0.1 dec. 24, 2002 s.okabe draft0.2 jan. 16, 2003 t.ida features -center wavelength range: 1528.77 to 1563.86nm itu-t g.692 100ghz channel spacing -high output power +1dbm(typ) -selection of clocked or non-clocked operation -supply voltage: +3.3v and +5v application -sonet and itu-t compliant at oc-48 and stm-16 for dwdm document number qps-0202-091 revision 0.2 date: jan. 16, 2003 author s.okabe project manager k. yusa
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 2 1. specifications table 1.1 specifications ( vcc =+5.0v5%,tc=0 to 70c) parameter unit values mean launched p ower ran g e db m -3 to +4 maximum operating bit rate gbps 2.488 center wavelen g th ran g e nm 1528.77 to 1563.86 wavelength channel spacing itu-t g.692 100ghz channel spacing center wavelen g th accurac y nm 0.015 variation center wavelen g th over tem p erature nm 0.05 maximum s p ectral width [ 20db down ] nm 0. 3 ( t yp) , 0. 5 ( max ) minimum side mode su pp ression ratio db 30 center wavelen g th a g in g bol to eol nm 0.1 minimum extinction ratio db 8.2 o p tical out p ut waveform meets for itu-t g.957 maximum fiber dis p ersion p s/nm 6400 dis p ersion p enalt y db 2 power consum p tion w 5.5 o p eratin g case tem p erature ran g e c tc=0 to+70 o p eratin g humidit y %0 to 85 dimension mm 73.4 x 51 x 11.9 table 1.2 absolute maximum ratings parameter symbol condition min max unit supply voltage vcc +5v pin vcc -0.5 +7 v supply voltage vtec+3.3v pin vtec tc=+25c -0.5 +4.6 v maximum signal input voltage (clock/data) v i 0 vcc v maximum signal output current (tda pin) i o - -25 +25 ma operating case temperature range t op -20 +85 c storage temperature range t stg -40 +85 c lead soldering temperature/time - - 260/10 c/s tensile strength of fiber pigtail cable - tc=+25c - 500 g minimum bending radius of fiber pigtail cable - 30 mm
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 3 table 1.3 electrical specifications (vcc =+5.0v5%,tc=+25c) parameter symbol min typ max unit power supply voltage vcc +4.75 +5.00 +5.25 v power supply current i cc - 450 500 ma tec power supply voltage v tec +3.0 +3.3 +3.5 v tec power supply current i tec - 0.4 1.0 a single end vin-single 250 - 1300 data/clock input amplitude [ [ [ [ ac- coupled at internal ] ] ] ] differential vin-diff. 125 650 mvp-p input impedance r inroad - 50 - ohm clocked v clk on 0 - +0.8 v clock clock clock clock mode s mode s mode s mode select elect elect elect inp inp inp input ut ut ut voltage voltage voltage voltage non non non non clocked clocked clocked clocked v non clk 2.0 - vcc v n v n 0 - +0.8 v wavelength selection input wavelength selection input wavelength selection input wavelength selection input voltage voltage voltage voltage n n n n- - - -1 1 1 1 v n-1 2.0 - vcc v enable v en 0 - +0.8 v shut down input voltage disable v dis 2.0 - vcc v normal v ol 0 - +0.3 v deviation v oh +4.5 vcc v tec temperature deviation error monitor (active high) setting level alarm -1 +1 c v ol 0 - +0.3 v laser degrade alarm (active low) 3 v oh +4.5 - vcc v ld bias monitor 3 v lbm - 20 - mv/ma back facet monitor v bf - 500 - mv/mw data/clock input rise/fall time 1 t r /t f - - 0.12 ns data/clock timing 2 ts/th 50 - - psec input clock pulse width distortion - 40 50 60 % 1. between 20% and 80% 2. the data and clock timing diagram is figure 1.1 3. see table 4.1
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 4 50ps admitted range of cki(+) rise-edge di(+) cki(+) 50ps 50ps 50ps ts th figure 1.1 data/clock timing diagram figure 1.1 data/clock timing diagram figure 1.1 data/clock timing diagram figure 1.1 data/clock timing diagram 2. block diagram true data in p ut true clk in p ut ld driver apc tem p erature deviation alarm back facet monito r false clk in p ut false data in p ut ld module clock select at c laser bias monitor or laser degraed alarm shut down opt out d-f/f figure 2.1 block diagram
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 5 3. package outline (unit : mm) figure 3.1 package outline
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 6 4. pin descriptions table 4.1 pin descriptions no. symbol functionality no. symbol functionality 01 gnd ground ( tec ) 13 vcc positive power supply +5.0v 02 back(+) back facet monitor 14 vtec tec supply voltage +3.3v 03 bias(+)/lda laser bias monitor or laser degraed alarm(ttl,active?lo?) 1 15 gnd ground 04 sdc shut down command(ttl, open/ lo=operating , hi=shutdown) 16 di(+) true data input 05 selc clock mode select(ttl, open/ lo=clk , hi=clk unuse) 17 gnd ground 06 gnd ground 18 di(-) false data input 07 tda temperature deviation alm (ttl,active?high?) 19 gnd ground 08 nc no user connection 20 cki(+) true clock input 09 nc no user connection 21 gnd ground 10 nc no user connection 22 cki(-) false clock input 11 gnd ground 23 gnd ground 12 nic no internal connection 24 vcc positive power supply +5.0v 1. laser bias monitor and laser degraed alarm functions are customer select options . 5. recommended interface circuit figure 5.1 recommended interface circuit 01 0.1uf 22uf vtec 15uh 0.1uf 22uf vcc 15uh true data input true clock input 20 16 14 13, 24 06, 11, 15, 17, 19, 21, 23 04 shut down wavelength selection 10 oas25322 x-nv-wdm-yy-zz cml cmos/ttl cmos ttl 02 back facet monitor 03 tec deviation error alarm 07 laser bias monitor or laser degraed alarm clock mode select 05 false clock input 22 18 false data input oas25323x oas25323x oas25323x oas25323x- - - -n v nv n v nv- - - -wdm wdm wdm wdm- - - - yy yy yy yy - - - -zz zz zz zz
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 7 6. precautions for handling the circuits of these modules operate at very small signal. in order to avoid the degradation of the optical sensitivity due to external noise, the bottom pattern of these modules on the pcb should be ground pattern with low impedance. do not mount/pattern device/circuits which generate high frequency noise close to the module. in order to operate the module stable against the power noise, install the power supply noise reduction circuits. the impedance between the power and ground pattern of the power circuit should be as low as possible. the elements around the module should be mounted close to the pins of the module. if an optical power exceeding the absolute maximum ratings is fed to the module, the optical receiver may be damaged. set the optical input power appropriately when in use of these modules. 7. qualification and reliability to help ensure high product reliability and customer satisfaction, oki is committed to an intensive quality program that starts in the design phase and proceeds through the manufacturing process. optical transceiver modules are qualified to oki internal standards using mil-std-883 test methods and procedures and using sample techniques consistent with telcordia requirements. this qualification program fully meets the intent of telcordia reliability practices gr-468-core. 8. laser safety all version of transceiver are class 1 laser products fda complies with 21 cfr 1040.10 and 1040.11 requirements. also, all versions are class 1 laser products pre iec 825-1 .
2.5gb/s optical transmitter for dwdm oas25323 series document number qps-0202-091 january 2003 oki electric industry 8 9. ordering information oas25323 -nv-wdm - - pigtail fiber length 16 =1.6m optical connector type; s = sc connector f = fc connector no. itu-t furequencythz center wavelemgth 61 196.1 1528.77 60 196.0 1529.55 59 195.9 1530.33 58 195.8 1531.12 57 195.7 1531.90 56 195.6 1532.68 55 195.5 1533.47 54 195.4 1534.25 53 195.3 1535.04 52 195.2 1535.82 51 195.1 1536.61 50 195.0 1537.40 49 194.9 1538.19 48 194.8 1538.98 47 194.7 1539.77 46 194.6 1540.56 45 194.5 1541.35 44 194.4 1542.14 43 194.3 1542.94 42 194.2 1543.73 41 194.1 1544.53 40 194.0 1545.32 39 193.9 1546.12 38 193.8 1546.92 37 193.7 1547.72 36 193.6 1548.51 35 193.5 1549.32 34 193.4 1550.12 33 193.3 1550.92 32 193.2 1551.72 31 193.1 1552.52 30 193.0 1553.33 29 192.9 1554.13 28 192.8 1554.94 27 192.7 1555.75 26 192.6 1556.55 25 192.5 1557.36 24 192.4 1558.17 23 192.3 1558.98 22 192.2 1559.79 21 192.1 1560.61 20 192.0 1561.42 19 191.9 1562.23 18 191.8 1563.05 17 191.7 1563.86
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