E3179LF

ISSUE 7; April 2016 Description Zarlink approved TCXO for GR-1244 & GR-253 Stratum 3 applications. Frequency Parameters Frequency 20.0MHz Frequency Stability ±0.28ppm Ageing ±4.6ppm max after 20 years Holdover Stability [±(Fmax-Fmin)/2Fo]: Temperature, –5 to 80°C, inclusive of Supply Voltage: 3.3V ±5% and Ageing, 24 hours: <±0.32ppm Free-Run Accuracy, incl. Calibration @25°C, Temperature –5 to 80°C, Supply Voltage 3.3V ±5%, Load 15pF ±5%, Reflow Soldering and Ageing 20 years: <±4.6ppm ref. to Follow Electrical Parameters Supply Voltage 3.3V ±5% Operating Temperature Ranges -5 to 80°C Output Details Output Compatability Drive Capability HCMOS 15pF max 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 ...