frequency control products type dfo s1 siii revision 00 checked ne date 03.03.2005 page xx stratum iii miniature ocxo types dfo s1-kh (5 v) & dfo s1-lh (3.3 v) features 10 to 20 mhz stratum iii compliant over -20 to 70c applications stratum iii function dfo s1 nc 1 e / d 2 gnd 3 output 4 nc 5 vcc 6 9.5max 14.4max 1.0 5.08 6 4 3 2 1 hmax 2.6 8.9 5.08 1.8 6.0 1.8 h = 8.50 mm pc board footprint type dfo s1-kh dfo s1-lh frequency range 10 to 20 mhz standard frequencies 12.8, 16.384, 19.44 & 20 mhz electrical specifications supply voltage 5 v 5 % 3.3 v 5 % supply current (no load) @ 25c 150 ma 200 ma supply current during warm up 350 ma 500 ma output load hcmos 15 pf or 2 ttl hcmos 15 pf or 2 ttl duty cycle @ 2.5 v 40/60...60/40 % 40/60...60/40 % rise & fall times (10 to 90%) 10 ns 10 ns high/low levels 4.5 v/ 0.5 v 2.7 v/ 0.5 v ssb phase noise (1 hz bw) @ 10 hz -95 dbc/hz -95 dbc/hz (typical @ 12.8mhz) @ 100 hz -120 dbc/hz -120 dbc/hz @ 1 khz -140 dbc/hz -140 dbc/hz @ 10 khz -145 dbc/hz -145 dbc/hz @100khz -150 dbc/hz -150 dbc/hz warm up time to reach 1 x 10e-7 2 min @ 25c ref @ 1 hr frequency 2 min @ 25c ref @ 1 hr frequency frequency stability detailed tolerances after 30 days of operation temperature model stability versus : overall holdover 24 hrs calibration type range code temperature vcc 5 % age ing stability stability drift @ 25c telcordia gr-1244 core stratum iii/iiie or itu-t g.813 option 1 0 to 70c bs3 all types -20 to 70c cs3 0.28 ppm 1 x 10e-8 3.5 ppm/ 15 years 4.6 ppm/ 15 years 0.37 ppm 4 x 10e-8 5 x 10e-7 definitions 24 hours drift gr-1244-core 24 hours holdover mode over full temperature range and vcc 1 % ordering code type + option code + frequency + model code + voltage value example dfo s1-lh 16.384 mhz cs3
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