raltron electronics corporation 10651 nw 19th st. miami, florida 33172 u.s.a. tel: 305-593-6033 fax: 305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com specifications features high stability crystal oscillators table 1 code temperature range temperature stability a 0c to +50c 5 ppm b 0c to +50c 10 ppm c 0c to +50c 15 ppm d 0c to +50c 20 ppm e 0c to +50c 25 ppm f 0c to +70c 10 ppm g 0c to +70c 15 ppm h 0c to +70c 20 ppm i 0c to +70c 25 ppm j 0c to +70c 35 ppm k 0c to +70c 50 ppm l -40c to +85c 20 ppm m -40c to +85c 25 ppm o -40c to +85c 30 ppm p -40c to +85c 35 ppm q -40c to +85c 50 ppm temperature range designations mechanical characteristics mechanical shock mil-std-202, methid 213, condition e thermal shock mil-std-883, method 1011, condition a random vibration mil-std-883, method 2007, condition a gross leak 100% leak tested in deionized water hermetic seal leak rate less than 0.05 ppm atm x cc/s of helium soldering conditions 2 60 c 5 s maximum for 10 s mechanical surface mount, 6 pin per outline drawing wide frequency range stability to 5 ppm custom specifications series cx8000 frequency range 1.00 mhz to 100.00 mhz storage temperature range -40 c to +85 c output waveform options ttl, hcmos, or acmos (see table 2) symmetry normal: 40% to 60%, tight: 45% to 55% frequency stability over load variation 3 ppm max for 10% variation at vcc= +5.0 vdc at 25 c supply voltage +5.0 vdc 5% and 3.3 vdc 5% supply current 35 ma max at vcc= +5.0 vdc and standard load at 25 c absolute voltage range -0.5 to +7.0 vdc for vcc and vc (non destructive) phase nosise (typical) see graph for phase noise characteristics enable/disable function 5 ppm to 5 ppm at vcc = +5.0 vdc and standard load (see table 1 for stability over temperature range) 0 c to +50 c (narrow) 0 c to +70 c ( standard) -40 c to +85 c (extended) at vcc = +5.0 vdc and standard load 4 ppm max for the first year 2 ppm max per year thereafter 5 ppm max for 5% variation at vcc=+5.0 vdc at 25 c and standard load at 25 c control pin 2: high or open (+2.0 vdc min) output pin 4: enabled contol pin 2: low or grn (+0.8 vdc max) output pin 4: disabled frequency stability over temperature range (referenced to 25 c) operating temperature range aging characteristics frequency stability over supply voltage variation acmos -15pf max acmos to drive 3 gates at ttl levels symmetry: 40/60% to 60/40% at 50% level voh:+4.5 vdc min vol: +0.5 vdc max rise/fall time: 5ns with 30 pf load (20% to 80%) table 2 ttl/hcmos compatible symmetry: 40/60% to 60/40% at +1.4 vdc voh:+2.4 vdc min vol: +0.4 vdc max rise/fall time: 10ns with standard load (20% to 80%) ttl/hcmos compatible symmetry: 40/60% to 60/40% at 50% level voh:+4.5 vdc min or +2.97 vdc min vol: +0.5 vdc max or +0.33 vdc max rise/fall time: 5ns with standard load (20% to 80%) ttl - 10 ttl loads hcmos -15pf max (+3.3v and +5.0 v) output and load characteristics
raltron electronics corporation 10651 nw 19th st. miami, florida 33172 u.s.a. tel: 305-593-6033 fax: 305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com 1 marking label 2.54 typ .100 typ .46 typ .018 typ 4.70 max .185 max 8.88 .350 9.77 max .385 max 13.96 .550 7.61 .20 .300 .008 .76 .030 7.62 .300 2.54 .100 .100 .100 2.54 2.54 1.02 .040 12 3 4 5 6 .059 .004 dia 2.0 0.1 1.5 0.1dia .079 .004 .157 .004 4.0 0.1 1.75 0.1 .069 .004 11.70 .461 24 0.1 .945 .004 12 .00 .472 4.8 .189 outline drawings phase noise characteristics -95 -120 -140 -150 -70 -160 -140 -120 -100 -80 -60 -40 -20 0 10 hz 100 hz 1 khz 10 khz 100 khz offset from carrier dbc solder reflow profile carrier tape dimensions co8 pin function 1 no connect 2 no connect 3 case / gnd 4 output 5 no connect 6 vcc ce8 pin function 1 no connect 2 enable / disable 3 case / gnd 4 output 5 no connect 6 vcc part numbering system example: ce821-16m384-tr, clock, enable/disable, hcmos, 25 ppm, 0c to 70c 1 ttl 2 hcmos 3acmos 4 hcmos (3.3 v) tr in mhz --- t: tight output (table 2) co8 ce8 a through q code (table 1) frequency symmetry tape and reel series
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