crystal oscillator fcxo01_111003_nw36m25la_e * module markings may be changed without notice. frequency controlled crystal oscillator (fcxo) advanced stratum3 module model name nw36m25la sonet, sdh, ftth, communications equipment main application four inputs, stratum 3 solution for the synchronous timing source in sonet/ sdh network elements. accepts 4 reference inputs in 9 steps from 8 khz to 77.76 mhz (see specifcation below) compliant with telcordia gr1244core, gr253 and itu-t g.812 / g.813. hit-less reference switching. frequency ramp control during reference switching. supports master / slave operation three output signals: one selectable (see specifcation below) up to 77.76 mhz, one fxed at 8 khz and 1.544 mhz or 2.048 mhz bits output. features item model nw36m25la supply voltage [v cc ] (v) +3.3 5 % current consumption (ma) typ. 150 operating temperature range (c) 0 to +70 storage temperature range (c) -20 to +85 input level 4-cmos input reference frequency (mhz) 0.008, 1.544, 2.048, 12.96, 19.44, 25.92, 38.88, 51.84, 77.76 output level 3-cmos output frequency 1 (mhz) output 1 : 12.96, 19.44, 25.92, 38.88, 51.84 or 77.76 output frequency 2,3 (mhz) m/s out : 0.008, bits clk : 1.544 or 2.048 free-run accuracy max. 4.610 ?6 holdover max. 0.3710 ?6 pll bandwidth (hz) 0.025 to 1.6 (user programmable) specifcations [ ]: output1 frequency to order. for example, in 19.44 mhz case, nw36m25la-19.44m-nsa3437a output frequency (mhz) ordering code output 1: one selectable up to 77.76 mhz nw36m25la-[ ]-nsa3437a list of ordering codes mm #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 los lol m/s ref ref1 ref2 ref3 ref4 tdi tms trst bits clk m/s out output1 dnc #15 #16 #17 #18 #19 #20 #21 #22 #23 #24 #25 #26 #27 #28 dnc t1/e1 hold/good tdo tck gnd spi enbl spi in v cc spi enbl reset spi out sp int master select dnc:do not connect 21.59 0.3 36.83 0.5 1 14 15 28 25.4 0.5 1.0 0.1 max. 6.0 33.02 0.2 0.457 0.13 2.54 0.2 33.02 0.2 1 14 15 28 21.59 0.3 3.18 0.3 pin connections pin connections dimensions
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