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SI5320 Datasheet SONET/SDH PRECISION CLOCK MULTIPLIER IC

Manufacturer: Silicon Laboratories

Overview: Si5320 SONET/SDH PRECISION CLOCK MULTIPLIER IC.

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General Description

The Si5320 is a precision clock multiplier designed to exceed the requirements of high-speed communication systems, including OC-192/OC-48 and 10 GbE.

This device phase locks to an input clock in the 19, 39, 78, 155, 311, or 622 MHz frequency range and generates a frequency-multiplied clock output that can be configured for operation in the 19, 155, or 622 MHz range.

Silicon Laboratories’ DSPLL™ technology delivers all PLL functionality with unparalleled performance while eliminating external loop filter components, providing programmable loop parameters, and simplifying design.

Key Features

  • Ultra-low-jitter clock output with jitter generation as low as 0.3 psRMS.
  • No external components (other than a resistor and standard bypassing).
  • Input clock ranges at 19, 39, 78, 155, 311, and 622 MHz.
  • Output clock ranges at 19, 155, or 622 MHz.
  • Digital hold for loss of input clock.
  • Support for forward and reverse FEC clock scaling.
  • Selectable loop bandwidth.
  • Loss-of-signal alarm output.
  • Low power.
  • Small size (9x9 mm).

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