frequency control products type dfa s3-k / l revision 01 checked jya date 24.01.2002 page 50 low power miniature surface mount tcxo dfa s3-kh (5 v) & lh (3.3 v) recommended for new designs hcmos output crystal packed into its own holder external voltage control low profile function dfa s3 v control / gnd 1 gnd 2 output 3 vcc 4 pin 1 to be grounded if no ctrl voltage option type dfa s3-kh dfa s3-lh frequency range 5 to 25 mhz 5 to 25 mhz electrical specifications supply voltage 5 v 5 % 3.3 v 5 % supply current ( no load) 20 ma 10 ma output load hcmos 15 pf or 2 ttl hcmos 15 pf or 2 ttl duty cycle @ 50% level 45/55...55/45 % 45/55...55/45 % rise/fall times (10 to 90 %) 5 ns 5 ns high/low levels or output amplitude 4.5 v/ 0.5 v 2.8 v/ 0.3 v start-up 10 ms @ 4.75 v 10 ms @ 3.15 v frequency stability detailed tolerances [ ppm ] temperature model stability versus : calibration type range code temperature vcc 5 % load 10 % ageing @ 25 c 0 to 70c b0.5 0.5 -20 to 70c c1.5 1.5 all types -30 to +75c n2.5 2.5 0.3 0.1 1 1 remark ageing is 1 st year at 25c options code voltage control (positive slope ) v 5ppm, 15 ppm 2.5 v 2 v 5 ppm, 15 ppm 1.65 v 1.35 v ordering code type + option code + frequency + model code example dfa s3-khv 19.44 mhz n2.5 pc board footprint 1.4 1.5 5.08 1 2 3 4 1.80.2 9.10.3 7.20.1 4.2 5.08 2.2 1.5
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