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SY89538L - PRECISION LVPECL AND LVDS PROGRAMMABLE MULTIPLE OUTPUT BANK CLOCK SYNTHESIZER AND FANOUT BUFFER

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Datasheet Details

Part number SY89538L
Manufacturer Micrel Semiconductor
File Size 627.68 KB
Description PRECISION LVPECL AND LVDS PROGRAMMABLE MULTIPLE OUTPUT BANK CLOCK SYNTHESIZER AND FANOUT BUFFER
Datasheet download datasheet SY89538L Datasheet

General Description

The SY89538L integrated programmable clock synthesizer and fanout is part of a precision PLLbased clock generation family optimized for enterprise switch, router, and multiprocessor server applications.

This family is ideal for generating internal system timing requirements up to 750MHz for multiple ASICs, FPGAs, and NPUs.

These devices integrate the following blocks into a single monolithic IC: • PLL (Phase-Lock-Loop) based synthesizer • Zero-delay MUX and feedback capability • 1:4 LVPECL fanout • 1:3 LVDS fanout • Clock generator (dividers) • Logic translation (LVPECL, LVDS) • Five-independently programmable output banks This level of integration minimizes additive jitter and part-to-part skew associated with discrete alternatives, resulting in superior system-level timing with reduced board space and power.

Overview

SY89538L 3.3V, Precision LVPECL and LVDS Programmable Multiple Output Bank Clock Synthesizer and Fanout Buffer with Zero Delay.

Key Features

  • Precision Edge®.
  • Integrated programmable synthesizer with multiple output dividers, fanout buffers, and clock drivers.
  • Zero-delay capability: 29.375MHz to 756MHz.
  • Reference clock input: 9.325MHz to 756MHz.
  • Input MUX accepts a reference and a crystal (XTAL) source.
  • Ideal for reference backup clock source or system test frequency source.
  • Patent-pending unique input MUX isolates XTAL and reference inputs which minimizes crosstalk.
  • G.

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