TM Application Specific Crystal Oscillator 7.0 x 5.0mm 3.3V CMOS Low-Jitter 125MHz EPON XO FNEPON125 ASSP XO for Networking 7.0 x 5.0mm Ceramic SMD Package: (Scale: none, Dimensions are in mm) Product Features Recommended Land Pattern: Very low phase jitter - 0.5ps RMS Thicker crystal for improved reliability Low output current - 20mA max. Low power stand by mode Industrial Temperature Range Pb-free & RoHS compliant Product Description This is an enhanced high-frequency 3.3V, 125MHz crystal clock oscillator with superb jitter and low operating current for Pin Functions: Ethernet Passive Optical Network (EPON) applications. Pin Function 1 OE Function The output clock signal, generated internally with a patented oscillator design, is 2 Ground compatible with LVCMOS logic levels. 3 Clock Output 4 V DD Applications EPON Optical Network Unit (ONU) EPON Optical Line Termination (OLT) EPON Gateway *Extended high frequency power decoupling is recommended (see test circuit for minimum recommendation). To ensure optimal performance, do not route RF traces beneath the package. Part Ordering Information: FNEPON125 SaRonix-eCera is a Pericom Semiconductor company US: +1-408-435-0800 TW: +886-3-4518888 www.pericom.com 12-0051 All specifications are subject to change without notice. FNEPON125 Rev D 07/13/12 13.3V CMOS Low-Jitter 125MHz EPON XO FNEPON125 TM Application Specific Crystal Oscillator 7.0 x 5.0mm Electrical Performance Parameter Min. Typ. Max. Units Notes Output Frequency 125 MHz Supply Voltage 2.97 3.3 3.63 V Supply Current, Output Enabled 20 mA Supply Current, Output Disabled 10 A Frequency Stability 50 ppm See Note 1 below Operating Temperature Range -20 +70 C Output Logic 0, V 10% V V OL DD Output Logic 1, V 90% V V OH DD Output Load 15 pF Duty Cycle 45 55 % Measured 50% V DD Rise and Fall Time 3 ns Measured 20/80% of waveform Jitter, Phase RMS (1-) 0.25 0.5 ps 12kHz to 20 MHz frequency band Jitter, pk-pk 30 ps 100.000 random periods Notes: 1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25C), aging (1 year at 25C average effective ambient temperature), shock and vibration. 2. For specifications othere than those listed, please contact sales. Output Enable / Disable Function Parameter Min. Typ. Max. Units Notes Input Voltage (pin 1), Output Enable 0.7 V V or open DD Input Voltage (pin 1), Output Disable (low power standby) 0.3 V V Output is Hi-Z DD Internal Pullup Resistance 30 k Output Disable Delay 200 ns Output Enable Delay 2 ms Absolute Maximum Ratings Parameter Min. Typ. Max. Units Notes Storage Temperature -55 +125 C For the latest product information visit: