概要
説明
The 840002I-01 is a two output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz 18pF parallel resonant crystal, the following frequencies can be generated based on the two frequency select pins (F_SEL[1:0]): 156.25MHz, 125MHz, and 62.5MHz. The 840002I-01 uses Renesas' third generation low phase noise VCO technology and can achieve 1ps or lower typical random rms phase jitter, easily meeting Ethernet jitter requirements. The 840002I-01 is packaged in a small 16-pin TSSOP package.
特長
- Two LVCMOS/LVTTL outputs@ 3.3V, 17Ω typical output impedance
- Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended TEST_CLK
- Supports the following output frequencies: 156.25MHz, 125MHz and 62.5MHz
- Output frequency range: 56MHz to 175MHz
- VCO range: 560MHz to 700MHz
- Output skew: 12ps (maximum)
- RMS phase jitter at 156.25MHz, (1.875MHz to 20MHz): 0.47ps (typical)
Phase Noise:
Offset Noise Power
100Hz.................-97.4 dBc/Hz
1kHz...................-120.2 dBc/Hz
10kHz.................-127.6 dBc/Hz
100kHz...............-126.1 dBc/Hz - Power Supply Modes:
Core / Output
3.3V / 3.3V
3.3V / 2.5V
2.5V / 2.5V - -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 | 16 | Tube | 1 | 0 | 96 | Yes | e3 Sn | -40 to +85°C | |||
| TSSOP | 16 | Reel | 1 | 2500 | 0 | Yes | e3 Sn | -40 to +85°C |
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