preliminary specification electrical characteristics parameter sym conditions min typical max unit power requirements power supply vcc 5% 650l 5% 650s 3.135 4.75 3.30 5.0 3.465 5.25 vdc vdc supply current icc vcc=max. (3.3vdc) 50 w . load (5.0vdc) 45 60 ma ma frequency stabilities center frequency f nom 832 1244.16 1333.03 1664 mhz initial tolerance f cal ta=+25 c -10 +10 ppm freq. vs. temp. d f/ d temp oper. temp. range 15 ppm freq. vs. voltage d f/ d vcc vcc 5% 1 ppm freq. vs. load d f/ d rl 10% variation 1 ppm freq. vs time (aging) d f/ d time 20 years 10 ppm waveform parameters symmetry sym @ 50% level 45 50 55 % amplitude vo 50 w load vcc-1.62v vcc-1.025v v rise/fall times tr, tf 20% to 80% 225 350 psec load rl output to vcc-2.0v or equivalent 50 w phase jitter 12khz to 20mhz or 50khz to 80mhz bandwidth <1 psec rms model 651 9x14mm differential pecl high frequency clock (832mhz to 1.66ghz) 9x14mm surface mount pkg. differential pecl outputs +3.3vdc or +5.0vdc operation sealed at strip crystal output enable function low phase jitter: < 1.0 psec rms excellent solder reflow performance cts frequency products 400 w. north street carlisle, pa 17013 717-243-5929
preliminary specification model 651 9x14mm differential pecl high frequency clock (832mhz to 1.66ghz) storage temperature: -55 to +125 c reflow soldering: will withstand 240 c for 20 seconds shock: 1500 g?s, 0.5 msec. pulse (3 shocks/axis) vibration: 10 g?s peak, 20 to 2000 hz case: high temp fr-4 base seal: non-hermetic environmental / mechanical specifications cts frequency products 400 w. north street carlisle, pa 17013 717-243-5929 ordering information model 651 -- ___.________ example: 651laa-1244.16 supply voltage l = +3.3vdc s = +5.0vdc operating temp. range a = 0 to +70 c b = -40 to +85 c frequency in mhz rev. 0 option ?a? enable truth table pin 2 pins 4&5 gnd. disabled v cc enabled open disabled option ?b? enable truth table pin 2 pins 4&5 gnd. enabled v cc disabled open enabled truth table option a = enable high b = enable low
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