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D22
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7 years ago

How to set path skew through SDC?

Hi! I'm trying to develop a sort of TDC (Time-to-Digital Converter) using the carry-chain in a Cyclone device. In particular, I’m focusing on the fine measurement that, for my application, could hav...
D22's avatar
D22
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7 years ago

I mean have the same delay of all the paths from outputs of block A to inputs of block B. For “same delay” I mean with a resolution of 50-100 ps. For example, the path from output[1] of block A to its input of block B has a delay of 1.100ns, output[2] of 1.150 ns, etc. Is it possible?

I think it is not possible to reach that resolution, but what solution is possible?