preliminary specification electrical characteristics parameter sym conditions min typical max unit power requirements power supply vcc 5% 350l 5% 350s 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) 55 80 ma ma frequency stabilities center frequency f nom 832 1244.16 1664 mhz initial tolerance f cal ta=+25 c efc=center(0.5vcc) -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 deviation characteristics control voltage vc 3.3v ?l? version 5.0v ?s? version 0.15 0.5 3.15 4.5 v v frequency deviation d f +25 c at time of shipment 125 ppm linearity lin best staight line fit -10 5 10 % absolute pull range apr under all conditions for the life of the part (ref. to f nom ) 85 ppm input impedance zin 100 k w 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 35 1 9x14mm differential pecl high frequency vcxo ( 832 mhz to 1.66g hz) 9x14mm surface mount pkg. differential pecl outputs guaranteed minimum pull range +3.3vdc or +5.0vdc operation sealed at strip crystal output enable function low phase jitter: < 1 psec rms excellent solder reflow performance cts frequency products 400 w. north street carlisle, pa 17013 717-243-5929
preliminary specification model 351 9x14mm differential pecl high frequency vcxo (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 environmental / mechanical specifications cts frequency products 400 w. north street carlisle, pa 17013 717-243-5929 ordering information model 351 -- ___.________ example: 351laa-1333.03 351sbb-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. 2 option ?a? enable truth table pin 2 pins 4&5 pecl ?0? disabled pecl ?1? enabled open disabled option ?b? enable truth table pin 2 pins 4&5 pecl ?0? enabled pecl ?1? disabled open enabled truth table option a = enable high b = enable low
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