T M Application Specific Crystal Oscillator 7.0 x 5.0mm 3.3V PECL Low Jitter 155.52MHz GPON XO SNGPON155 ASSP XO for Networking 7.0 x 5.0mm Ceramic SMD Package: Product Features Recommended Land Pattern: Very low phase jitter - 0.5ps RMS Thicker crystal for improved reliability Pb-free & RoHS compliant Industrial temperature range Product Description The SN series 3.3V, 155.52MHz crystal clock oscillator achieves superb jitter for GPON applications. The output clock signal, generated internally with a patented Pin Functions: oscillator design, is compatible with LVPECL Pin Function logic levels. The device, available on tape 1 OE Function and reel, is contained in a 7.0 x 5.0mm 2 N/C surface-mount ceramic package. 3 Ground 4 OUT Applications 5 OUT GPON Optical Network Unit (ONU) 6 V CC GPON Optical Line Termination (OLT) GPON 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: SNGPON155 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. SNGPON155 Rev C 04/09/10 13.3V PECL Low Jitter 155.52 MHz GPON XO SNGPON155 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 3.30 3.63 V Supply Current, Output Enabled 50 60 mA Supply Current, Output Disabled 25 mA Frequency Stability 50 ppm See Note 1 below Operating Temperature Range -40 +85 C Industrial V 1.620 V 0 to +85C CC Output Logic 0, V OL V 1.555 V -40 to 0C CC V 1.025 V 0 to +85C CC Output Logic 1, V OH V 1.085 V -40 to +0C CC Output Load 50 to V 2V output requires termination CC Duty Cycle 45 55 % Measured 50% V DD Rise and Fall Time 0.3 0.6 ns Measured 20/80% of waveform Jitter, Phase RMS (1-) 0.25 0.5 ps 12 kHz to 20 MHz frequency band 25 40 ps 100,000 random periods Jitter, pkpk Notes: 1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25C), aging (5 year at 40C 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 Outputs disabled to Hi-Z Internal Pullup Resistance 50 k Output Disable Delay 200 ns Output Enable Delay 10 ms Absolute Maximum Ratings Parameter Min. Typ. Max. Units Notes Storage Temperature -55 +125 C For the latest product information visit: