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DS4266
DDR时钟振荡器

以48%/52%极其精确的占空比提供266MHz时钟源,非常适合DDR存储器应用


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概述
完整的数据资料 (PDF, 156kB)
英文 Download this datasheet in PDF format下载

The DS4266 surface-mount ceramic crystal oscillator is part of Maxim's DS4-XO crystal oscillator product family. The DS4266 is a 266MHz crystal oscillator designed to support high-performance DDR memory applications that require a stable, low-jitter, and tight duty-cycle clock source. The device provides an overall accuracy and stability better than ±50ppm, including aging. Jitter performance is better than 0.7psRMS typically over a 12kHz to 20MHz bandwidth, and duty-cycle performance is better than 48%/52%.

The DS4266 has an output frequency of 266MHz, and it supports LVDS and LVPECL output types. The DS4266 is constructed using a fundamental crystal in conjunction with high-performance silicon germanium PLL technology, enabling very low phase noise and phase jitter performance. The device operates from a 3.3V ±5% power supply and consumes a maximum current of 100mA.

The DS4266 is packaged in a miniature 5mm x 3.2mm x 1.49mm, 10-lead LCCC ceramic package, making it suitable for applications where board space is critical.

关键特性   应用/使用
  • < 0.7psRMS (typ) from 12kHz to 20MHz Jitter
  • LVDS or LVPECL Output Types
  • 3.3V Operating Voltage
  • 5.0mm x 3.2mm x 1.49mm, 10-Pin LCCC Ceramic Package
  • -40°C to +85°C Operating Temperature Range
  • Lead-Free/RoHS Compliant

 
  • DDR存储器时钟源

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    2008-10-27
    本页最后一次更新: 2008-10-27



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