frequency control products type dfn 14-kb, 4-kb & 4-kh revision 02 checked ne date 10.10.2002 page 22 ttl & hcmos precision oscillators dfn 14-kb, dfn 4-kb & dfn 4-kh key features 1 to 70 mhz 15 ppm overall stability available encapsulated crystal applications sonet/sdh/avionics/high rel. clocks function dfn 14 dfn 4 nc/enable 1 1 gnd 7 4 output 8 5 vcc 14 8 type dfn 14-kb dfn 4-kb dfn 4-kh frequency range 1 to 70 mhz 1 to 70 mhz 1 to 70 mhz electrical specifications supply voltage 5 v 5 % 5 v 5 % supply current (no load) 25 mhz 20 ma 20 ma > 25 mhz 50 ma 50 ma output load hcmos 15 pf or 10 ttl hcmos 50 pf up to 25 mhz, 15 pf above duty cycle 40/60...60/40 % @ 50% level or 1.4 v 40/60...60/40 % @ 50% level rise/fall times 0.4 to 2.4 v 3.5 ns 10 to 90% 5 ns 1 to 70 mhz 7 ns up to 25 mhz 3 ns > 25 mhz high/low levels 4.5 v/ 0.5 v 4.5 v/ 0.5 v start up 10 ms @ 4.75 v 10 ms @ 4.75 v frequency stability stability [ ppm ] and temperature code types temperature range stability code stability code stability code 0 to 70c 15 xb15 25 xb25 50 xb50 -40 to 85c 25 xe25 50 xe50 75 xe75 all types -55 to 125c 50 xh50 75 xh75 100 xh100 xh codes only available as dfn 14/4-kb type for f 50 mhz remarks includes calibration at 25c, temperature, ageing, vcc and load changes 1 st year options code tight symmetry (f 50 mhz) r 45/55...55/45 % tri-state output on pin 1 z high or open = enable, low = high z (dfn 4-kh up to 50 mhz only) ordering code type + option code + frequency + temperature code example dfn 4-kbz 50.000 mhz xb15 12.70.1 12.70.1 60.1 7.62 7.62 pin 1 0.45 6.3 0.850.1 12.70.1 20.30.1 h0.1 7.62 15.24 pin 1 0.45 6.3 0.750.1 h = 5.10 mm dfn 14 dfn 4
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