Ultra Low Jitter Crystal Oscillator 3.2 x 2.5mm UX31/UX321 2.5V/3.3V CMOS XO 3.2 x 2.5mm Ceramic SMD Package: (Scale: none; dimensions are in mm) Product Features Recommended Land Pattern: • Ultra low phase jitter for 40G/100G systems • 0.1ps RMS max. (12kHz to 20MHz), Category 1 • 0.2ps RMS max. (12kHz to 20MHz), Category 1 • 0.3ps RMS max. (12kHz to 20MHz), Category 2 • Industrial Temperature Range • Pb-free & RoHS compliant CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY. *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. Product Description The UX31/UX321 XO series is a high performance CMOS crystal oscillator family with ultra low jitter performance. It supports various options including wider frequency range, 1.8V/2.5V/3.3V voltage, and various stabilities. It is designed to meet the clock source specifications for communication systems, and other high performance equipment. Pin Functions: Pin Function 1 OE 3 Ground 4 Output 4 V DD Part Ordering Information Category 1: UX31 XXX YYY Applications • Networking systems YYYY = Specification�Code XXX = Frequency�Code Product�Family • Servers and storage systems • Profession video equipments Part Ordering Information Category 2: • Test and measurement UX 32 1 V • FPGA/ASIC clock generation A Voltage: 1=+3.3V 2=+2.5V 3=+1.8V SaRonix-eCera™ is a Pericom® Semiconductor company 14-0038 *Not for all frequencies in the frequency range. Please contact sales for details. • US: +1-408-232-9100 I FFFF.FFFFFF B C Stability and Temp Range: Stability A = +/-20 ppm B = +/-25 ppm C = +/-50 ppm D = +/-25 ppm E = +/-50 ppm Temp Range -20/+70°C -20/+70°C -20/+70°C -40/+85°C -40/+85°C Frequency: FFFF.FFFFFF MHz, “4 digits/decimal/6 digits” format TW: +886-3-4518888 • www.pericom.com All specifications are subject to change without notice. UX31/UX321 Rev A 10/01/14 1 UX321 2.5V/3.3V CMOS XO Ultra Low Jitter Crystal Oscillator 3.2 x 2.5mm Electrical Performance Parameter Min. Output Frequency Typ. 50 3.135 Supply Voltage Max. Units 156.25 MHz 3.3 3.465 2.375 2.5 2.625 1.71 1.8 1.89 Notes V See ordering options Supply Current, Output Enabled 25 mA Supply Current, Output Disabled 10 uA ±50 ppm See ordering options +85 °C See ordering options Frequency Stability Operating Temperature Range -40 Output Logic 0, VOL 0.4 Output Logic 1, VOH V V DD -0.4 V Output Load 15 Duty Cycle 45 Rise and Fall Time pF 55 % Measured 50% V DD 5 ns Measured 20/80% of waveform 12kHz to 20 MHz frequency band, See ordering information category 1 0.1 ps 0.2 ps Jitter, Phase RMS (1-σ), Category 2 0.3 ps 12kHz to 20 MHz frequency band, See ordering information category 2 Jitter, pk-pk 40 ps 100,000 random periods Jitter, Phase RMS (1-σ), Category 1 Notes: 1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C), aging (1 year at 25°C average effective ambient temperature), shock and vibration. 2. For specifications othere than those listed, please contact sales. Output Enable / Disable Function Parameter Min. Input Voltage (pin 1), Output Enable Typ. Max. 0.7 V DD Input Voltage (pin 1), Output Disable (low power standby) 0.3 V DD Internal Pullup Resistance 30 Units Notes V or open V Output is Hi-Z kΩ Output Disable Delay 200 ns Output Enable Delay 2 ms Start up Time 2 ms Absolute Maximum Ratings Parameter Min. Storage Temperature Typ. -55 Max. Units +125 °C Notes For the latest product information visit: http://www.pericom.com/products/timing/oscillators/ For test circuit go to: http://www.pericom.com/pdf/sre/tc_cmos.pdf For soldering reflow profile and reliability test ratings go to: http://www.pericom.com/pdf/sre/reflow.pdf For tape and reel information go to: http://www.pericom.com/pdf/sre/tr_3225_xo.pdf SaRonix-eCera™ is a Pericom® Semiconductor company 14-0038 • US: +1-408-232-9100 TW: +886-3-4518888 • www.pericom.com All specifications are subject to change without notice. UX31/UX321 Rev A 10/01/14 2