T M Application Specific Crystal Oscillator 7.0 x 5.0mm 3.3V CMOS Low-Jitter 155.52 MHz GPON XO SXGPON155 ASSP XO for Networking 7.0 x 5.0mm Ceramic SMD Package: Recommended Land Pattern: Product Features Very low phase jitter - 0.5ps RMS Thicker crystal for improved reliability Low output current - 20mA max. Industrial Temperature Range Pb-free & RoHS compliant Product Description This is an enhanced high-frequency 3.3V, 155.52MHz crystal clock oscillator with superb jitter and low operating current for Gigabit Passive Optical Network (GPON) applications. Pin Functions: Pin Function The output clock signal, generated internally with a patented oscillator design, is 1 OE Function compatible with LVCMOS logic levels. 2 Ground 3 Clock Output 4 V DD Applications GPON Optical Network Unit (ONU) GPON Optical Line Termination (OLT) *Extended high frequency power decoupling is recommended (see test circuit for minimum GPON Gateway recommendation). To ensure optimal performance, do not route RF traces beneath the package. Part Ordering Information: SXGPON155 SaRonix-eCera is a Pericom Semiconductor company US: +1-408-435-0800 TW: +886-3-4518888 www.pericom.com 10-0020 All specifications are subject to change without notice. SXGPON155 Rev C 04/09/10 13.3V CMOS Low-Jitter 155.52 MHz GPON XO SXGPON155 T M Application Specific Crystal Oscillator 7.0 x 5.0mm Electrical Performance Parameter Min. Typ. Max. Units Notes Output Frequency 155.52 MHz Supply Voltage 2.97 3.3 3.63 V Supply Current, Output Enabled 20 mA Supply Current, Output Disabled 10 mA Output Hi-Z Frequency Stability 50 ppm See Note 1 below Operating Temperature Range -40 +85 C Industrial 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 2 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 40 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 2.2 V or open Input Voltage (pin 1), Output Disable (low power standby) 0.8 V Output is Hi-Z Internal Pullup Resistance 50 k Output Disable Delay 100 ns Output Enable Delay 1 ms Absolute Maximum Ratings Parameter Min. Typ. Max. Units Notes Storage Temperature -55 +125 C For the latest product information visit: