Ultra Low Jitter Crystal Oscillator 3.2 x 2.5mm
2.5V/3.3V CMOS XO
UX31/UX321
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
*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
Output
4
4
VDD
Part Ordering Information Category 1:
Applications
• Networking systems
UX31 XXX YYY
*Not for all frequencies in the
frequency range. Please contact
sales for details.
YYYY = Specification�Code
XXX = Frequency�Code
Product�Family
• Servers and storage systems
• Profession video equipments
• Test and measurement
• FPGA/ASIC clock generation
Part Ordering Information Category 2:
UX 32
1
V
I
FFFF.FFFFFF
B
C
A
Voltage:
Stability and Temp Range:
Frequency:
FFFF.FFFFFF
MHz, “4 digits/decimal/6 digits” format
Stability
Temp Range
1=+3.3V
2=+2.5V
3=+1.8V
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
14-0038
All specifications are subject to change without notice.
UX31/UX321
Rev A
10/01/14
1
