E2747LF

E2747/E2747LF STRATUM 3 TCXO (-20 to 70°C) ISSUE 4 ; 13 JUNE 2005 Nominal Frequency, Fo ■ 12.8MHz Supply Voltage ■ 3.3V ±5% Input Current ■ < 4mA Output ■ Type: HCMOS ■ Load: 15pF max ■ VoL: <0.1 Vs ■ VoH: >0.9 Vs ■ Duty Cycle @ 50%: 45% to 55% ■ Rise Time, 10% to 90%: < 9ns ■ Fall Time, 90% to 10%: < 9ns Holdover Stability [±(Fmax-Fmin)/2Fo] ■ Temperature, –20 to 70°C: <±0.28ppm ■ Temperature, –20 to 70°C, inclusive of Supply Voltage, 3.3V±5% and Ageing, 24 hours: <±0.32ppm Free-Run Accuracy, incl. ■ Calibration@25°C, Temperature –20 to 70°C, Supply Voltage 3.3V±5% Load 15pF±5%, Reflow Soldering and Ageing 20 years: < ±4.6ppm ref. to Nominal Frequency Phase Noise ■ 10Hz < -90dBc/Hz ■ 100Hz < -115dBc/Hz ■ 1kHz < -127dBc/Hz ■ 10kHz < -137dBc/Hz ■ > 100kHz < -143dBc/Hz Tri-State ■ Pad 8 open circuit or > 0.6Vs: Output Enabled ■ Pad 8 < 0.2Vs: Output in Tri-state mode ■ In Tri-state mode, the output stage is disab...