概览

简介

The 874003D-02 is a high performance Differential- to-LVDS Jitter Attenuator designed for use in PCI Express® systems. In some PCI Express® systems, such as those found in desktop PCs, the PCI Express® clocks are generated from a low bandwidth, high phase noise PLL frequency synthesizer. In these systems, a jitter attenuator may be required to attenuate high frequency random and deterministic jitter components from the PLL synthesizer and from the system board. The 874003D-02 has a bandwidth of 2.1MHz. The 2.1MHz provides an intermediate bandwidth that can easily track triangular spread profiles, while providing good jitter attenuation. The 874003D-02 uses IDT's 3rd Generation FemtoClockTM PLL technology to achieve the lowest possible phase noise. The device is packaged in a 20 Lead TSSOP package, making it ideal for use in space constrained applications such as PCI Express® add-in cards.

特性

  • Three Differential LVDS output pairs
  • One Differential clock input
  • CLK and nCLK supports the following input types: LVPECL, LVDS, LVHSTL, SSTL, HCSL
  • Output frequency range: 98MHz - 320MHz
  • Input frequency range: 98MHz - 128MHz
  • VCO range: 490MHz - 640MHz
  • Cycle-to-cycle jitter: 35ps (maximum)
  • Supports PCI Express® Spread-Spectrum Clocking
  • The 2.1MHz bandwidth mode allows the system designer to make jitter attenuation/tracking skew design trade-offs
  • 3.3V operating supply
  • 0°C to 70°C ambient operating temperature
  • Available in lead-free (RoHS 6) package

产品对比

应用

文档

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设计和开发

模型