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 series cx21, cx22, and cx23 high stability through hole clock oscillators specifications part numbering system features frequency range 1.00 mhz to 100.00 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 symmetry normal: 40/60% tight: 45/55% (option) 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 8: enabled control pin 1: low or ground (+0.8 vdc min)output pin 8: 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 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 series output code - frequency - symmetry co2 ce2 1 2 3 ttl hcmos acmos a through m in mhz t (45/55%) mechanical characteristics example: co22l-20.000-t hcmos output 2 0 ppm over - 4 0 c to + 85 c tight symmetry 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 colored dot indicates pin 1 location pin 1 pin 8 pin 5 pin 4 marking area .300 .020 7.62 0.5 6.35 0.5 .018 .003 dia 0.45 .076 dia .300 .005 7.62 .127 .492 max 12.50 max .250 .020 7.62 .127 .300 .005 12.50 0.5 .492 .020 0.79 .08 .031 .003 scale none dimension in mm inch co2 pin function 1 n/c 4 ground 5 output 8 vcc pin connection -95 -120 -140 -150 -70 -160 -140 -120 -100 -80 -60 -40 -20 0 10 hz 100 hz 1 khz 1 0 khz 1 00 khz offset from carrier dbc phase noise characteristics cost effective mpu clock tolerance and stability to 5 ppm custom specifications outline drawing temperature range designations ce2 pin function 1 e/d 4 ground 5 output 8 vcc
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