概要
説明
The 844256DI is a Crystal-to-LVDS Clock Synthesizer/Fanout Buffer designed for SONET and Gigabit Ethernet applications. The output frequency can be set using the frequency select pins and a 25MHz crystal for Ethernet frequencies, or a 19.44MHz crystal for SONET. The low phase noise characteristics of the 844256DI make it an ideal clock for these demanding applications.
特長
- Six differential LVDS output pairs
- Crystal oscillator interface
- Output frequency range: 62.5MHz - 625MHz
- Crystal input frequency range:15.625MHz - 25.5MHz
- RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz – 20MHz): 0.43ps (typical)
- Full 3.3V or mixed 3.3V core, 2.5V output supply mode
- -40°C to 85°C ambient operating temperature
- Available in lead-free (RoHS 6) package
製品比較
アプリケーション
設計・開発
モデル
ECADモデル
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Processing table
| TSSOP | 24 | I | Yes | Tube | ||
| TSSOP | 24 | I | Yes | Reel |
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