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关于DS80PCI810和DS80PCI402的选型问题

Other Parts Discussed in Thread: DS80PCI800, DS80PCI402, DS80PCI810

您好,

   我们在做一个PCIE的板卡,要用到PCIe×8的总线,收发端各加一个Repeater,预计信号布线长度50cm且经过一组高速连接器,需要确认采用的方案,目前在考虑8通道单向的DS80PCI800/810和4通道双向的DS80PCI402,有以下问题想确认一下:

1. 单侧,采用两片DS80PCI800或者810,分别接8个Tx/Rx,和采用两片DS80PCI402,每片链接4个Tx和4个Rx,

   哪种方案比较合适?

2. 关于DS80PCI810输出驱动采用Linear output driver和DS80PCI800输出驱动采用De-Emphasis的驱动,两种驱动能力有何区别?

 

请帮忙确认一下,多谢!