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
• 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.
Pin Functions:
Pin
Function
1
OE
2
Ground
Output
VDD
3
4
Applications
• 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
• Test and measurement
• FPGA/ASIC clock generation
Part Ordering Information:
UX 70
V
A
I
B
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NX 321 V
1
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C
Voltage:
1=+3.3V
2=+2.5V
Stability and Temp Range:
Frequency:
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MHz, “4 digits/decimal/6 digits” format
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
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
11/05/14
1
14-0046