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IDT Introduces New High-Performance Synthesizer, Delivering Ultra-Low Phase Jitter for Serial Data Communications

The 8T49NS010 Synthesizer Features 10 Outputs with Only 86 Femtoseconds RMS Phase Jitter, Making it Ideal for 40GE and 100GE Applications


Integrated Device Technology, Inc. (IDT®) (NASDAQ: IDTI)  introduced a new high-performance synthesizer with ultra-low phase jitter for reducing bit error rates in today’s serial data communications systems. The 8T49NS010  synthesizer with an integrated fanout buffer/divider delivers high-performance clocks for demanding applications, and is ideal for 40GE and 100GE telecommunications and networking systems.

The 10-output synthesizer provides a high-frequency clock with 86 fs RMS phase jitter over the standard 12 kHz to 20 MHz integration range. The 8T49NS010 features an integrated fanout buffer, removing the issues of additive phase jitter and noise coupling from oscillator to fanout buffer. The chip supports programmable configurations and output levels to satisfy the requirements of a variety of applications.

“The 8T49NS010 synthesizer delivers ultra-low jitter required for high-speed communications,” said Louise Gaulin, vice president and general manager of IDT’s Network Communications Division.  “The device provides engineers with a simple, yet ultra-high-performance solution.”

The 8T49NS010 is configurable through an I2C serial interface and operates over an industrial temperature range. In addition to output power-down, it supports two logic levels for its differential outputs; the first provides an LVPECL output level with 750mV typical swing, while the second provides a similar swing and output level with no external DC termination. The device uses an external fundamental mode crystal, alleviating the expense and availability issues associated with high-end oscillators.

Detailed specs include:

  • Typical phase noise jitter of only 86fs from 12kHz to 20MHz
  • An LVPECL output level with 750mV typical swing  requiring no DC termination
  • Noise floor of -161 dBc/Hz

About IDT

Integrated Device Technology, Inc. develops system-level solutions that optimize its customers’ applications. IDT uses its market leadership in timing, serial switching and interfaces, and adds analog and system expertise to provide complete application-optimized, mixed-signal solutions for the communications, computing and consumer segments. Headquartered in San Jose, Calif., IDT has design, manufacturing, sales facilities and distribution partners throughout the world. IDT stock is traded on the NASDAQ Global Select Stock Market® under the symbol “IDTI.” Additional information about IDT is accessible at Follow IDT on Facebook, LinkedIn, Twitter, YouTube and Google+.


IDT and the IDT logo are trademarks or registered trademarks of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners.

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