NX251 Datasheet, PDF (1/2 Pages) Pericom Semiconductor Corporation – 2.5V/3.3V CMOS XO

2.5V/3.3V CMOS XO
Ultra Low Jitter PLL Crystal Oscillator 2.5 x 2.0mm
NX251
2.5 x 2.0mm Ceramic SMD
Product Features
• Very low phase jitter - < 1ps RMS max.
• Wide frequency range - 5 ~ 250MHz
• Thicker crystal for improved reliability
• Low supply current - 50mA max.
• Industrial Temperature Range
• Pb-free & RoHS compliant
• Fast lead time
Package: (Scale: none, Dimensions are in mm)
Recommended Land Pattern:
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
Product Description
The NX251 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 Function
2
Ground
3
Output
4
V_DD
Applications
• Networking systems
• Servers and storage systems
• Consumer applications
• Portable Multimedia Devices
• Bluetooth
*Extended high frequency power decoupling ^{CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.} is recommended (see test circuit for minimum
recommendation). To ensure optimal performance, do not route RF traces beneath the
package.
Part Ordering Information:
NX 251
Voltage:
1=+3.3V
2=+2.5V
V I FFFF.FFFFFF
A
B
C
Stability and Temp Range:
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
Frequency:
FFFF.FFFFFF
MHz, “4 digits/decimal/6 digits” format
SaRonix-eCera™ is a Pericom® Semiconductor company • US: [phone] TW: [phone]   •   www.pericom.com
14-0045
All specifications are subject to change without notice. NX251
Rev B
08/13/14
1