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 high stability through hole clock oscillators series cx71, cx72 and cx73 specifications frequency range 1.00 mhz to 125.00 mhz frequency stability over temperature range (ref. to25c) 5 ppm to 50 ppm max at vcc = +5.0 vdc (see table 1) operating temperature range 0c to +50c (narrow) 0c to +70c (standard) -40c to +85c (extended) at vcc = +5.0vdc and standard load (see table 1) storage temperature range -40c to +85c aging characteristics 4 ppm max for the first year and 20 ppm max for 10 years output waveform options ttl, hcmos, or acmos frequency stability over load variation 3 ppm max for 10% variation at vcc = +5.0 vdc at 25c supply voltage +5.0 vdc 5% (3.3 vdc available) enable disable function control pin 1: high or open (+2.0 vdc min)output pin 14: enabled control pin 1: low or gnd (+0.8 vdc min)output pin 14: disabled (high z) frequency stability over supply voltage variation 5 ppm max for 5% variation at vcc = +5.0 vdc and standard load at 25c supply current 50 ma max at vcc = +5.0 vdc and standard load at 25c temperature range designations 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 series output code - frequency - symmetry co7 ce7 1 2 3 ttl hcmos acmos a through m in mhz t (45/55%) mechanical characteristics mechanical shock iec-68-2-27 test ea, 30g for 18 ms halfsine vibration iec 68-2-6 (test fc) 0.35 mm, 5g, 10-2 khz, 6 cycles axis thermal shock iec 68-2-14 (test na), 30 min in each temperature extreme seal iec 68-2-17 (test qc) soldering heat iec 68-2-20a mechanical 14 pin dip, leaded, per outline drawing part numbering system example: co73b-27.000 acmos output, 15 ppm over 0 c to +50 c pin 7 pin 1 pin 8 pin 14 colored dot designates pin 1 location .018 .003 dia 0.45 .076 dia .180 .600 .005 15.24 .127 .300 .005 7.62 .127 7.62 0.5 .300 .020 .250 .020 6.30 0.5 .034 0.86 .520 .020 13.2 0.5 .480 12.2 .820 20.8 4.58 marking area scale none dimension in mm inch available in gull wing configuration cx7 pin function 1 n/c 7 ground 8 output 14 vcc pin connection -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 phase noise characteristics features cost effective mpu clock tolerance and stability to 5 ppm custom specifications ce7 pin function 1 e/d 7 ground 8 output 14 vcc outline drawing
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