概要
説明
The 841S104I-02 is a PLL-based clock synthesizer specifically designed for Ethernet and SONET™ Clock applications. This device generates either a 156.25MHz or 155.52MHz differential HCSL clock from an input reference of either 25MHz or 19.44MHz. The input reference may be derived from an external source or by the addition of a 25MHz or a 19.44MHz crystal to the on-chip crystal oscillator. An external reference may be applied to the XTAL_IN pin with the XTAL_OUT pin left floating. An I2C bus interface is used to enable or disable each individual clock output. The 841S104I-02 is available in a lead-free 24-Lead package.
特長
- Four 0.7V current mode differential HCSL output pairs
- Crystal oscillator interface: 25MHz or 19.44MHz
- Output frequency: 156.25MHz or 155.52MHz
- RMS phase jitter @ 156.25MHz (12kHz – 20MHz): 0.691ps (typical)
- Cycle-to-cycle jitter: 25ps (maximum)
- I2C support with readback capabilities up to 400kHz
- 3.3V operating supply mode
- -40°C to 85°C ambient operating temperature
- Available 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 | Tube | 1 | 0 | 62 | Yes | e3 Sn | -40 to +85°C | ||
| TSSOP | 24 | Reel | 1 | 3000 | 0 | Yes | e3 Sn | -40 to +85°C |
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