leaded tcxos 72 output waveform - hcmos iqtcxo-250, -251, -252 issue 7; 14 october 2004 delivery options please contact our sales office for current leadtimes description iqtcxo-250, -251, -252 are temperature compensated crystal oscillators (tcxos), providing a high degree of frequency stability over a wide temperature range. waveform clipped sine 1v pk - pk min square hcmos clipped sine 0.7v pk - pk min package outline 14 pin dil compatible enclosure with internal trimmer ageing 1ppm typical first year frequency adjustment 3ppm minimum internal trimmer adjustment storage temperature range ?40 to 85c marking model number frequency stability code/operating temperature code frequency date code (year/week) minimum order information required frequency + model number + frequency stability + operating temperature outline in mm 1.00.2 14 7 8 pin connections 1. n/c 7. gnd 8. output 14. +vs ? 0.5 1 5.0 max 12.00.3 7.620.3 4.00.2 4.00.2 4.0 min 15.240.3 ? 3.8 6.55 18.50.3 t 90%vs 10%vs 0v tr tf t +vs duty cycle = t x 100(%) t 1/2vs test circuit - hcmos +vs a v oscillator 7 14 8 oscilloscope frequency counter 0.1 f 15pf* *inclusive of jigging & equipment capacitance
leaded tcxos 73 test circuit - clipped sine +vs a v 7 14 8 oscilloscope frequency counter 0.1 f 10pf * 10k *inclusive of jigging & equipment capacitance oscillator electrical specifications - maximum limiting values when measured in test circuit frequency range supply voltage supply current output waveform output duty cycle model number 3.20 to 40.0mhz 5v0.25v 5ma clipped sine 1vpk-pk min ? iqtcxo-250 3.20 to 40.0mhz 5v0.25v 20ma square hcmos 40/60% iqtcxo-251 3.20 to 40.0mhz 3v0.15v 3ma clipped sine 0.7vpk-pk min ? iqtcxo-252 ordering example 24.0mhz iqtcxo-250 hr frequency model number frequency stability vs operating temperature code frequency stabilities available over operating temperature ranges operating frequency stabilities vs operating temperature range frequency range 1.5ppm 2.0ppm 2.5ppm 5.0ppm 0 to 50c code cp code gp code hp code kp -10 to 60c ? code gr code hr code kr -20 to 70c ? ? code hs code ks -30 to 75c ? ? code hu code ku -40 to 85c ? ? ? code kx
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