Ultra Low Jitter PLL Crystal Oscillator 3.2 x 2.5mm NX321 2.5V/3.3V CMOS XO 3.2 x 2.5mm Ceramic SMD Package: (Scale: none; dimensions are in mm) Recommended Land Pattern: Product Features • Very low phase jitter - < 1ps RMS max. • Wide frequency range - 5 ~ 250MHz • Thicker crystal for improved reliability • Low supply current - 60mA max. • Industrial Temperature Range • Pb-free & RoHS compliant CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY. • Fast lead time Product Description The NX321 XO series is a high performance CMOS crystal oscillator family with very low jitter performance. It supports various options including wider frequency range, 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. Applications Pin Functions: Pin Function 1 OE 2 Ground 3 Output 4 V DD CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY. • Networking systems *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. • Servers and storage systems • Profession video equipments Part Ordering Information: • Test and measurement UXNX 70321 VV I 1 FFFF.FFFFFF FFFF.FFFFFF • FPGA/ASIC clock generation A Voltage: 1=+3.3V 2=+2.5V SaRonix-eCera™ is a Pericom® Semiconductor company 14-0046 • B C Stability and Temp Range: Frequency: Stability Temp Range A = +/-20 ppm -20/+70°C B = +/-25 ppm -20/+70°C C = +/-50 ppm -20/+70°C D = +/-25 ppm -40/+85°C E = +/-50 ppm -40/+85°C US: +1-408-232-9100 TW: +886-3-4518888 All specifications are subject to change without notice. FFFF.FFFFFF MHz, “4 digits/decimal/6 digits” format • www.pericom.com NX321 Rev C 11/05/14 1 NX321 2.5V/3.3V CMOS XO Ultra Low Jitter PLL Crystal Oscillator 3.2 x 2.5mm Electrical Performance Parameter Min. Output Frequency Typ. Max. Units 250 MHz 3.135 3.3 3.465 2.375 2.5 2.625 5 Supply Voltage Supply Current, Output Enabled Notes V 60 See ordering options mA Supply Current, Output Disabled only 40 mA Frequency Stability ±50 ppm See ordering options +85 °C See ordering options 0.4 V 15 pF 55 % Rise and Fall Time 3 ns Measured 20/80% of waveform Jitter, Accumulated, RMS (1-σ) 6 ps 20.000 adjacent periods Operating Temperature Range -40 Output Logic 0, VOL Output Logic 1, VOH V DD -0.4 V Output Load Duty Cycle 45 Jitter, Phase, RMS Measured 50% V DD < 40MHz 0.4 1 ps 12kHz to 5 MHz frequency band 40 to 250MHz 0.4 1 ps 12kHz to 20 MHz frequency band 125MHz, 156.25MHz 0.4 0.6 ps 12kHz to 20 MHz frequency band 40 ps 100,000 random periods Jitter, pk-pk 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. Phase jitter typical value is depending on output frequencies. 3. For specifications other than those listed, please contact sales. Output Enable / Disable Function Parameter Min. Input Voltage (pin 1), Output Enable Typ. Max. Units 0.7 V DD Input Voltage (pin 1), Output Disable (low power standby) 0.3 V DD Notes V or open V Output is Hi-Z Output Disable Delay 100 ns Output Enable Delay 100 ns Start up Time 10 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/crystals-and-crystal-oscillators/hiflex-xo/?part=NX321 For test circuit go to: http://www.pericom.com/pdf/sre/tc_cmos2.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 14-0046 • US: +1-408-232-9100 TW: +886-3-4518888 All specifications are subject to change without notice. • www.pericom.com NX321 Rev C 11/05/14 2