Diodes Incorporated — Analog and discrete power solutions
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JX321 (Obsolete)

Programmable XO (Not Recommended for New Design)

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Overview

Product Description

The JX321 XO series is a high performance CMS 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

 Features

  • Very low phase jitter - 0.8 RMS typical
  • Thicker crystal for improved reliability
  • Low supply current - 45mA max.
  • Industrial Temperature Rnage
  • Pb-free & RoHS compliant
  • Fast lead time

Applications

  • Networking systems
  • Servers and storage systems
  • Profession video equipments
  • Test and measurement
  • FPGA/ASIC clock generation

Specifications & Technical Documents

Product Parameters

Family

HiFlexXO

Freq Range (MHz)

10 to 212.5

Additive Jitter (ps)

0.8 ps RMS

Output Logic

CMOS

Package Size (mm)

3.2 x 2.5 x 1.0

Pads

4

PkgType

Ceramic Seam

Product Series

JX3

Supply Voltage (V)

3.3, 2.5

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2770 2025-10-30 2025-10-30 Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products