Optical network synchronization chip. (Product spotlight: optical networking ICs).

Fiberoptic Product News, March, 2003

Zarlink Semiconductor has announced immediate availability of a high performance timing chip that synchronizes SONET/SDH networking equipment. Zarlink's device features an integrated architecture that simplifies system design and collapses board space requirements by up to 80% compared to proprietary clock designs or module-based clocks.

Designers can utilize the MT90401 with a high performance oscillator to build a complete SONET or SDH network clock. When used on SONET/SDH line cards, the MT90401 performs most synchronization functions--including hitless reference switching--with an inexpensive 20MHz (megahertz) oscillator as the master clock, avoiding the need for the larger and more costly oscillators required in network clocks.

The MT90401...

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