helping customers innovate, improve & grow search xos > CO-437/457 CO-437/457 ecl/pecl clock oscillators features: ? frequencies from 5 mhz to 700 mhz ? low profile 14 pin flatpack ? 10k, 10kh, 100k, eclinps, 10e/el and 100e/el logic specifications part CO-437 co-457 series 14 pin flatpack frequency 5 mhz-700 mhz output output taken directly from 10k, 10kh, eclinps or eclinps lite gate, depending on temperature and frequency range. complementary outputs optional. output taken directly from 100k, eclinps or eclinps lite gate, depending on temperature and frequency range. complementary outputs optional. supply -5.2 vdc 5% <45 ma to 110 mhz <70 ma above 110 mhz -4.5 vdc5% at <60 ma accuracy (at 25c) CO-437e: 1 ppm co-457e: 1 ppm e= set to 1 ppm via external capacitor (< mhz in co-432 and < 240mhz in co-434/37 package) temperature stability im p roved accurac y /stabilit y available on some models. for example, for 7 ppm over 0c to +50c and for 10 pp m over 0c to +70c. im p rovement is also available over wider temperature ranges. please contact factory. standard: 0c to +70c: 25 ppm option 1 : -55c to +85c: 50 ppm option 2 : -55c to +125c: 50 ppm option 5 : 0c to +50c: 5 ppm option 6 : 0c to +50c: 10 ppm option 7 : -55c to +125c: 100 ppm aging rate (typical after 30 days) 3 ppm first year 2 ppm/year thereafter 3 ppm first year <2 ppm/year thereafter top of page page 1 of 3 vectron products - ecl/pecl cl ock oscillators - CO-437, co-457 3/11/2009 htt p ://www.vectron.com/ p roducts/xo/CO-437 _ 457.htm
screen testing of above models screen test mil-std-883 method standard options class x class d class b class s stabilization bake (150c) ? x x x class s screen test requirements include 24 hour additional bake-out, 80 hour additional burn-in, thermal shock, pind test and radiographic inspection in addition to class b screening. has major cost impact. seal test (gross and fine) 1014, cond a2 x x x temperature cycling (thermal shock) 1010, cond b x x burn-in, operating 160 hours @125c ? x x acceleration (5000g in y 1 axis) 2001, cond a x top of page CO-437 <200 mhz dimension in inches pinouts pin 7 8 function supply (-) output page 2 of 3 vectron products - ecl/pecl cl ock oscillators - CO-437, co-457 3/11/2009 htt p ://www.vectron.com/ p roducts/xo/CO-437 _ 457.htm
copyright ? 1997-2009 by vectron international, inc., a dover company . vectron international's terms and conditions . the most recent change to this page occurred 02/11/2009 14 other ov, case n/c top of page page 3 of 3 vectron products - ecl/pecl cl ock oscillators - CO-437, co-457 3/11/2009 htt p ://www.vectron.com/ p roducts/xo/CO-437 _ 457.htm
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