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Re: 16-bit 625Mbaud XGMII

How about 1.25 Gbaud LVDS?


At 03:07 PM 3/20/00 -0800, Andreas Bechtolsheim wrote:

>Jaimie: you need to count package pins, not signal I/Os.
>Your 625 MHz XGMII using LVDS differential signalling
>requires 76 pins, which is the same pincost as the
>312.5 MHz XGMII using single-ended drivers.
>In addition, you would need to run at least part of
>your logic at the 625 MHz which is significantly
>more difficult to implement than staying with a
>clock frequency of 312.5 MHz.