Improving the performance of LVDS DDR at 200MHz

Although my initial clock rate is 200MHz, I would like to increase the speed up to 400MHz clock, thus 800Mbits data. My serialiser thus needs to be /2. You are right that when it goes to /4 the phase option appears.

One other thing I did was to cut the data bus down to 1 bit. I gained 50ps (at 400MHz clock) of data window but the ODV did not move. I didn't really expect it to move though :(.

Thanks for your continued help Rysc

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