概览
描述
The 844246D is a Crystal-to-LVDS Clock Synthesizer/Fanout Buffer designed for Fibre Channel frequencies and Gigabit Ethernet applications. The output frequency can be set using the frequency select pins and a 25MHz crystal for Ethernet frequencies, or a 26.5625MHz crystal for a Fibre Channel. The low phase noise characteristics of the 844246D make it an ideal clock for these demanding applications.
特性
- Six LVDS output pairs
- Crystal oscillator interface
- Output frequency range: 50MHz to 333.3333MHz
- Crystal input frequency range: 25MHz to 33.333MHz
- RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.416ps (typical)
- Full 3.3V or mixed 3.3V core, 2.5V output supply modes
- 0°C to 70°C ambient operating temperature
- Available in lead-free (RoHS 6) package
产品对比
应用
设计和开发
模型
ECAD 模块
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