TCXO Specification Part No. + Packaging: LFPTXO000068Bulk Customer Part: Description Zarlink approved TCXO for GR-1244 & GR-253 Stratum 3 applications. Model E3179LF Model Issue number 7 Frequency Parameters 20.0MHz Frequency Frequency Stability 0.32ppm Operating Temperature Range -5.00 to 80.00C Ageing 4.6ppm max after 20 years Holdover Stability (Fmax-Fmin)/2Fo : Temperature, 5 to 80C, inclusive of Supply Voltage: 3.3V 5% and Ageing, 24 hours: <0.32ppm Free-Run Accuracy, incl. Calibration 25C, Temperature 5 to 80C, Supply Voltage 3.3V 5%, Load 15pF 5%, Reflow Soldering and Ageing 20 years: <4.6ppm ref. to Follow Outline (mm) Electrical Parameters 3.3V 5% Supply Voltage Current Draw 6.000mA Output Details HCMOS Output Compatibility Drive Capability 15pF max Rise and Fall Time 9.0ns max Duty Cycle 45/55% Output Control Tri-State Operation: Logic 1 (60%VS) to pad 8 enables output Logic 0 (20%VS) to pad 8 disables output When at logic 0 the output stage is disabled for all output options, but the oscillator and compensation circuit are still active (Current consumption <1mA) Output Levels VOL: 10% Vs VOH: 90% Vs Noise Parameters Phase Noise (max): 85dBc/Hz 10Hz 110dBc/Hz 100Hz 120dBc/Hz 1kHz 135dBc/Hz 10kHz Environmental Parameters Storage Temperature: -55 to 125C Shock: IEC 60068-2-27, Test Ea: 980m/s2 acceleration for 6ms, 3 shocks in each of 3 mutually perpendicular planes Vibration: IEC 60068-2-6, Test Fc, Procedure B4: 10Hz-60Hz 1.5mm displacement, 60-2000Hz at 98.1m/s2, 30mins in 3 mutually perpendicular planes at 1 oct/min Solderability: MIL-STD-202, Method 208, Category 3 Sales Office Contact Details: UK: +44 (0)1460 270200 France: 0800 901 383 Email: info iqdfrequencyproducts.com Germany: 0800 1808 443 USA: +1.760.318.2824 Web: www.iqdfrequencyproducts.com Printed on 5 Jan 22 0:48 using Part Data Sheet V1.0018 Page 1 of 2TCXO Specification Part No. + Packaging: LFPTXO000068Bulk Customer Part: Manufacturing Details Resistance to Soldering Heat: 260C, 60sec max above 220C RoHS Terminations NiCoAu RoHS Reflow Temp 260degC 30s Compliance RoHS Status (2015/863/EU) Compliant REACh Status Compliant MSL Rating (JDEC-STD-033): Not Applicable Packaging Details Pack Style: Bulk Loose in bulk pack Pack Size: 10 Alternative packing option available Sales Office Contact Details: UK: +44 (0)1460 270200 France: 0800 901 383 Email: info iqdfrequencyproducts.com Germany: 0800 1808 443 USA: +1.760.318.2824 Web: www.iqdfrequencyproducts.com Printed on 5 Jan 22 0:48 using Part Data Sheet V1.0018 Page 2 of 2