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Si5321 Datasheet SONET/SDH PRECISION CLOCK MULTIPLIER IC

Manufacturer: Silicon Laboratories

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General Description

The Si5321 is a precision clock multiplier that exceeds the requirements of high-speed communication systems, including OC-192/OC-48 and 10 Gigabit Ethernet.

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, 39, 78, 155, 622, 1244, or 2488 MHz frequency range.

Silicon Laboratories DSPLL® technology provides PLL functionality with unparalleled performance.

Overview

Si5321 SONET/SDH PRECISION CLOCK MULTIPLIER IC.

Key Features

  • Ultra-low jitter clock output with jitter.
  • Digital hold for loss-of-input clock generation as low as 0.3 psRMS.
  • Support for 255/238 (15/14),.
  • No external components (other than a 255/237 (85/79), and 66/64 FEC scaling resistor and bypassing) (ITU-T G.709 and IEEE 802.3ae).
  • Input clock ranges at 19, 39, 78, 155,.
  • Selectable loop bandwidth 311, or 622 MHz.
  • Loss-of-signal alarm output.
  • Output clock ranges at 19, 39, 78, 155,.
  • Low power 311, 6.

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