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  crystal clock oscillator technical data sel481 / sel482 series 3.3v, pecl, fr4 ds-235 rev a 08/02/04 www.pericom.com output enable/disable for sel482x: frequency range: 200 mhz to 670 mhz description actual size applications & features sonet/sdh/dwdm linecards xgige nics optical soho fttc/fttp oc-12 & stm-4 frst/last mile networking 3.3v pecl (lvpecl) capability frequency range from 200 to 670mhz disable output feature available economical and rugged fr4 package guaranteed long-term aging avail - able, consult saronix for details designed for standard refow and washing techniques available on tape & reel; 16mm tape, 500pcs per reel see sel393x series for frequencies 200mhz see sel381x series for comparable performance in a smaller ceramic 5x7mm package see sds3811 series for new lvds capability in a smaller ceramic 5x7mm package ? ? ? ? ? ? ? ? ? ? ? ? ? 20, 25, 50 or 100 ppm over all conditions: calibration tolerance, operating temperature, rated input (supply) voltage, load, *aging, shock and vibration. 30 days (7ppm in 10 years typical) frequency stability: *aging: temperature range: operating: storage: supply voltage (v cc ): +3.3v pecl -55 to +125c supply current: 85ma typ, 110ma max 0 to +70c or -40 to +85c output drive: symmetry: rise & fall times: logic 0: logic 1: load: accumulated jitter: phase jitter: total jitter: output enable voltage: disable voltage: output enable: output disable: 45/55% max @ v bb or complementary outputs crossing 550ps typ, 850ps max, 20% to 80% of waveform v cc -1.620v (-40 to 85c ) v cc -1.025v (0 to +70c), v cc -1.085v (-40 to 85c) 50 to v cc -2v 10ps rms (1-sigma) max, accumulated in 20,000 adjacent periods 3ps rms (1-sigma) max, in 12khz to 40mhz freq. band 50ps peak-to-peak max in 100,000 random periods level 0 or open level 1 (q & q outputs disabled to high impedance) level 1 or open level 0 (q & q outputs disabled to high impdeance) mechanical: shock: solderability: terminal strength: vibration: resistance to soldering heat: solvent resistance: mil-std-883, method 2002, condition b mil-std-883, method 2003 mil-std-883, method 2004, condition d mil-std-883, method 2007, condition a mil-std-202, method 210, condition i or j mil-std-202, method 215 environmental: thermal shock: moisture resistance: mil-std-883, method 1011, condition a mil-std-833, method 1004 solder refow guide output enable/disable for sel481x (n/a for sel4810): a crystal controlled, high frequency, highly stable oscillator, compatible with lvpecl logic. the output can be disabled to facilitate testing or combining with mul - tiple clocks. the oscillator is packaged in leadless smd fr4 so20 available in four (4) or six (6) pad confgurations (see part number builder) and achieves excep - tional frequency stability. this oscillator is ideal for today's automated assembly environments. output waveform ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
crystal clock oscillator technical data sel481 / sel482 series 3.3v, pecl, fr4 ds-235 rev a 08/02/04 www.pericom.com *all specfcations subject to changes without notice n/c e/d out out package details recommended land pattern test circuit* part numbering guide ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? e/d n/c n/c e/d out e/d out out e/d n/c pad: 1 / 2 / 3 / 4 / 5 / 6 / 1 = 3.3v pecl, hi-true disable 2 = 3.3v pecl, hi-true enable sel48 1 0 b - 312.5000 (t) series saronix, lvpecl fr4so20 frequency packing method (t) = tape & reel full reel increments only blank = bulk stability aa = 20 ppm, 0 to +70c a = 25 ppm, 0 to +70c b = 50 ppm, 0 to +70c e = 50 ppm, -40 to +85c f = 100 ppm, -40 to +85c connection options out out out out out out v ee v ee v ee v ee v ee v ee * 0 = 1 = 2= 3 = 4 = 5 = v cc v cc v cc v cc v cc v cc *note: use with sel481x only


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