概要
説明
The 9ZX21901B is a version of the Intel DB1900Z differential buffer with an adjustable external feedback path allowing the user to eliminate trace delays from their design. It is suitable for PCIe Gen 3 or QPI applications. The part is backward compatible with PCIe Gen 1 and Gen 2. And, the device maintains low drift for critical QPI applications. In bypass mode, the 9ZX21901 can provide outputs up to 400MHz. See the 9ZX21901C for a fixed external feedback path.
特長
- 19 - 0.7V HCSL differential HCSL output pairs
- Adjustable external feedback path
- Phase jitter: PCIe Gen3 < 1ps rms
- Phase jitter: QPI 9.6GT/s < 0.2ps rms
- PLL or bypass mode
- PLL can de-jitter incoming clock
- 9 selectable SMBus Addresses
- 8 OE# pins
- 100MHz or 133MHz PLL mode operation for PCIe and QPI applications
- Selectable PLL bandwidth minimizes jitter peaking in downstream PLLs
- Spread spectrum compatible
製品比較
アプリケーション
- Buffer for Romley servers
設計・開発
モデル
ECADモデル
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Processing table
| VFQFPN | 72 | C | Yes | Tray | 3 | 5.242 | サンプルを入手, | |
| VFQFPN | 72 | C | Yes | Reel | 3 | 4.323 |
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