Ultra Low Jitter PLL Crystal Oscillator 3.2 x 2.5mm 2.5V/3.3V CMOS XO NX321 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 Pin Functions: low jitter performance. It supports various Pin Function options including wider frequency range, 2.5V/3.3V voltage, and various stabilities. 1 OE It is designed to meet the clock source 2 Ground specifications for communication systems, 3 Output and other high performance equipment. 4 V DD Applications 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 Servers and storage systems recommendation). To ensure optimal performance, do not route RF traces beneath the package. Profession video equipments Part Ordering Information: Test and measurement UX 70 V I FFFF.FFFFFF NX 321 V 1 FFFF.FFFFFF FPGA/ASIC clock generation B A C Voltage: Stability and Temp Range: Frequency: Stability Temp Range 1=+3.3V FFFF.FFFFFF A = +/-20 ppm -20/+70C 2=+2.5V B = +/-25 ppm -20/+70C MHz, 4 digits/decimal/6 digits format C = +/-50 ppm -20/+70C D = +/-25 ppm -40/+85C E = +/-50 ppm -40/+85C SaRonix-eCera is a Pericom Semiconductor company US: +1-408-232-9100 TW: +886-3-4518888 www.pericom.com All specifications are subject to change without notice. NX321 Rev C 11/05/141 14-00462.5V/3.3V CMOS XO NX321 Ultra Low Jitter PLL Crystal Oscillator 3.2 x 2.5mm Electrical Performance Parameter Min. Typ. Max. Units Notes Output Frequency 5 250 MHz 3.135 3.3 3.465 Supply Voltage V See ordering options 2.375 2.5 2.625 Supply Current, Output Enabled 60 mA Supply Current, Output Disabled only 40 mA Frequency Stability 50 ppm See ordering options Operating Temperature Range -40 +85 C See ordering options Output Logic 0, V 0.4 V OL Output Logic 1, V V -0.4 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, Accumulated, RMS (1-) 6 ps 20.000 adjacent periods < 40MHz 0.4 1 ps 12kHz to 5 MHz frequency band Jitter, Phase, RMS 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 Jitter, pk-pk 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. 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. 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 Output Disable Delay 100 ns Output Enable Delay 100 ns Start up Time 10 ms Absolute Maximum Ratings Parameter Min. Typ. Max. Units Notes Storage Temperature -55 +125 C For the latest product information visit: