SFX-800G synchronous clock generators 2111 comprehensive drive aurora, illinois 60505 phone: 630- 851- 4722 fax: 630- 851- 5040 www.conwin.com bulletin sg162 page 1 of 8 revision 02 date 17 sept 10 issued by eng applications ? sonet / sdh / atm ? dwdm / fdm ? fec (forward error correction) features ? available as a 3.3v high precision pll ? eight user selectable pecl output frequencies ? jitter generation oc-192 compliant ? 1.2 x 1.0 x 0.285, surface mount ? rohs compliant pll
sfx800g data sheet #: sg162 p age 2 of 8 rev: 02 date: 09/17/10 ? copyright 2010 the connor-winfeld corp. all rights reserved specifcations subject to change without notice the SFX-800G is a high precision frequency translator that translates one input, greater than 1mhz, to one of eight selectable output frequencies between 10 mhz and 1 ghz. the SFX-800G supports all major fec rates such as 15/14, 255/237 etc. SFX-800G is well suited for use in line cards, service termination cards and similar functions to provide reliable reference, phase locked, synchronization for tdm, pdh, sonet and sdh network equipment. the SFX-800G provides a functional block diagram figure 1 jitter fltered, wander following output signal synchronized to a superior stratum or peer input reference signal. the SFX-800G includes a lock detect (ld) alarm output and a loss of reference (lor) alarm output. the lvpecl outputs may be disabled for external testing purposes by asserting a high signal to the enable/disable pin. the SFX-800G package typical dimensions are 1.2 x 1.0 x 0.285. parts are assembled using high temperature solder to withstand surface mount refow process. general description f requency divider loop filter pecl vcxo f requency divider q (pin 12) in (pin 1) out sel 1 (pin 8) ld (pin 10) out sel 2 (pin 4) out sel 3 (pin 7) disab le (pin 16) lor (pin 11) microprocessor cin (pin 2) q (pin 14) SFX-800G absolute maximum rating table 1 symbol parameter minimum nominal maximum units notes vcc power supply voltage (optiond) -0.3 3.6 volts vi input voltage -0.3 vcc + 0.3 volts ts storage temperature (optionf) -65 150 c
sfx800g data sheet #: sg162 p age 3 of 8 rev: 02 date: 09/17/10 ? copyright 2010 the connor-winfeld corp. all rights reserved specifcations subject to change without notice pin description table 3 pin # connection description 1 in input frequency, signal is ac coupled 2 cin complementary input frequency, signal is ac coupled 3 gnd ground 4 out sel 2 output frequency select 2 5 nc do not connect 6 nc do not connect 7 out sel 3 output frequency select 3 8 out sel 1 output frequency select 1 9 vcc supply voltage 10 ld (output) lock detect logic 1 indicates that the unit is locked to the input reference logic 0 indicates that the reference is lost or out of lock range 11 lor loss of reference logic 1 indicates that reference is present logic 0 indicates that reference is lost 12 q pecl output (low when disabled) 13 gnd ground 14 q pecl complemetary output (high when disabled) 15 gnd ground 16 disable (input) logic 0 (or no connect) = pecl outputs are enabled logic 1 = pecl outputs are disabled specifcations table 2 symbol parameter minimum nominal maximum units notes f in input frequencies (comp pecl) 1 250 mhz input frequencies (hcmos .008 0 250 mhz 2.0 f out output frequencies (comp pecl) 10 1125 mhz vcc supply voltage 3.135 3.3 3.465 volts i cc supply current 175 ma v oh high level output voltage 2.275 v v ol low level output voltage 1.68 v t r /t f rise/fall time (20% - 80%) 180 ps sym output symmetry 45 55 % j gen jitter generation rms 0.5 1 ps (12 khz - 20 mhz) j tran jitter transfer 0.1 db 1.0 apr input frequency tracking 300 ppm t op operating temperature 0 70 c cal vco self vco calibration 1.5 sec 3.0 jitter bandwidth - 450 - hz phase detector comparison frequency - 24 - khz notes: 1.0: gr-253-core, sec. 5.6.2.1.2 2.0: cin (pin 2) is not used internally. it is ac coupled and loaded with a 180 ? resistor to ground. 3.0: vco calibration occurs with each power-up and with each new output frequency selection. see fgure 3 for the proper calibration sequence. without a proper vco calibration sequence, the unit will not lock and the output frequency could vary substantially from nominal.
sfx800g data sheet #: sg162 p age 4 of 8 rev: 02 date: 09/17/10 ? copyright 2010 the connor-winfeld corp. all rights reserved specifcations subject to change without notice output load and power supply filtering recommendations figure 2 50 50 v cc -2 v dc (f out ) * * * * it is highly recommended that either a linear regulator or b ypass capacitors be used. ty pical v alues would be 10 uf , 0.1 uf , 100 pf . f requency divider loop filter pecl vcxo f requency divider q (pin 12) in (pin 1) out sel 1 (pin 8) ld (pin 10) out sel 2 (pin 4) out sel 3 (pin 7) disab le (pin 16) lor (pin 11) microprocessor cin (pin 2) q (pin 14) SFX-800G out sel 3 out sel 2 out sel 1 output freq. selected 0 0 0 output freq. 1 0 0 1 output freq. 2 0 1 0 output freq. 3 0 1 1 output freq. 4 1 0 0 output freq. 5 1 0 1 output freq. 6 1 1 0 output freq. 7 1 1 1 output freq. 8 output select table table 4 sn-vg 6ff ?d.ild-in2 n??wlt bi-3 vd?3 2vb nw-uw- lvwv2?a tv.v?-in2a 0vv 5wlv o nl -3v ulnuvl ?d.ild-in2 tvwv2?va i-3nw- d ulnuvl 6ff ?d.ild-in2 tvwv2?vr -3v w2i- bi.. 2n- .n? d2f -3v nw-uw- lvwv2?a ?nw.f dla twt-d2-id..a ln 2ni2d.a lor (loss of reference) when the external reference is <= 1mhz, lor is low when the external reference is > 1mhz, lor is high ld (lock detect) when the phase detector error is <= 7ns (typ) for 5 cycles, ld is high after ld is high, it will go low if the phase detector error of any cycle is >15ns (typ) alarm function table 5
sfx800g data sheet #: sg162 p age 5 of 8 rev: 02 date: 09/17/10 ? copyright 2010 the connor-winfeld corp. all rights reserved specifcations subject to change without notice vco calibration sequence flowchart figure 3 note: * a valid reference must be within the input frequency tracking range of the unit and must meet the jitter requirements of the ld alarm (see alarm function table) ** as indicated in the alarm function table, the lor alarm does not validate the external reference but simply indicates that the reference frequency > 1 mhz is present.. po wer-up or new output fr equenc y selec tion * v alid re fe rence pr esent? re fe rence ex ternally va lidated? alternate is l or ** high? to ggle an y output fr equenc y select pi n inter nal vco calibration ~1.5s is ld high? calibration sequenc e co mplet e ye s no no ye s ye s no no
sfx800g data sheet #: sg162 p age 6 of 8 rev: 02 date: 09/17/10 ? copyright 2010 the connor-winfeld corp. all rights reserved specifcations subject to change without notice package dimensions figure 5 0.980 [24.89mm] 1.000 [25.40mm] 1.200 [30.48mm] 0.150 [3.81mm] 0.700 [17.78mm] 0.279 [7.09mm] (0.285" max) pin 1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 0.100 [2.54mm] recommended footprint dimensions figure 6 1 8 9 16 solder profle figure 4 0 50 100 150 200 250 300 0 50 100 150 200 250 300 350 time (sec) temp (c) 221c reflow zone 30/90 sec (min/max) peak temp. 245-255c for 15 sec typ. soaking zone 60-90 sec typ. (2 min max) ramp slope not to exceed 3c/sec
sfx800g data sheet #: sg162 p age 7 of 8 rev: 02 date: 09/17/10 ? copyright 2010 the connor-winfeld corp. all rights reserved specifcations subject to change without notice ordering information standard frequencies table 6 part input output output output output output output output output number frequency frequency frequency frequency frequency frequency frequency frequency frequency a (mhz) 1 (mhz) 2 (mhz) 3 (mhz) 4 (mhz) 5 (mhz) 6 (mhz) 7 (mhz) 8 (mhz) SFX-800G-e1 19.44 622.0800 669.3266 644.5313 657.4219 690.5692 693.4830 704.3806 707.3527 SFX-800G-e2 19.44 155.5200 161.1328 168.0407 174.7031 622.0800 644.5313 672.1627 698.8123 SFX-800G-e3 19.44 622.08 672.1627 696.4215 696.6149 644.5312 690.5692 666.5143 155.52 1.0240 mhz 26.0000 mhz 114.0000 mhz 657.4219 mhz 1.5440 mhz 27.0000 mhz 125.0000 mhz 666.5143 mhz 2.0480 mhz 29.4912 mhz 139.2640 mhz 669.1281 mhz 4.0960 mhz 32.7680 mhz 155.5200 mhz 669.3266 mhz 6.4800 mhz 37.0560 mhz 156.2500 mhz 672.1627 mhz 8.1920 mhz 38.8800 mhz 161.1328 mhz 690.5692 mhz 10.0000 mhz 44.4343 mhz 166.6286 mhz 693.4830 mhz 12.8000 mhz 44.7360 mhz 167.3316 mhz 704.3806 mhz 13.0000 mhz 51.8400 mhz 168.0407 mhz 707.3527 mhz 15.0000 mhz 61.4400 mhz 311.0400 mhz 710.9486 mhz 16.3840 mhz 65.5360 mhz 531.2500 mhz 719.7344 mhz 19.4400 mhz 77.7600 mhz 624.7048 mhz 777.6000 mhz 20.0000 mhz 78.1250 mhz 622.0800 mhz 20.1416 mhz 78.6432 mhz 625.0000 mhz 20.4800 mhz 82.9440 mhz 627.3596 mhz 22.2171 mhz 112.0000 mhz 644.5313 mhz contact factory for other frequencies
2111 comprehensive drive aurora, illinois 60505 phone: 630- 851- 4722 fax: 630- 851- 5040 www.conwin.com revision revision date note p00 6/5/08 preliminary release p01 12/23/08 update output frequencies p02 02/03/09 frequency updates r00 05/07/09 release and operating temperature revisions r01 08/09/10 add new model to ordering information r02 09/17/10 output frequency updates consult the factory for a part number for your application
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