概要
説明
The 843021 is a Gigabit Ethernet Clock Generator. The 84302 uses a 25MHz crystal to synthesize 125MHz. The 843021has excellent phase jitter performance, over the 1.875MHz – 20MHz integration range. The 843021is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.
特長
- One differential 3.3V LVPECL output
- Crystal oscillator interface designed for 22.4MHz – 28MHz, 18pF parallel resonant crystal
- Output frequency range: 112MHz – 140MHz
- VCO range: 560MHz – 700MHz
- Output duty cycle range: 49% – 51%
- RMS phase jitter at 125MHz, using a 25MHz crystal (1.875MHz – 20MHz): 0.650ps (typical)
Offset Noise Power
100Hz...............-94.2 dBc/Hz
1kHz...............-122.8 dBc/Hz
10kHz..............-132.2 dBc/Hz
100kHz..............-131.3 dBc/Hz - Full 3.3V supply mode
- 0°C to 70°C ambient operating temperature
- Available in lead-free (RoHS 6) package
- Industrial temperature information available upon request
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 | 8 | C | Yes | Tube | ||
| TSSOP | 8 | C | Yes | Reel |
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