Posted Nov 3, 2006 19:40 UTC (Fri) by bronson
In reply to: Reconvergent fanout
Parent article: Buried in warnings
I don't think so... Reconvergent fanout is similar to this problem much like a banana is similar to a school bus because they are yellow.
Reconvergent fanout is a way to make VLSI static timing analysis less pessimistic. Each time a signal passes thorugh a node, a bit of uncertainty is added to the timing delay. However, if two (ore more) signals pass through the same node, follow separate paths, and then return to the same point, you can remove a fair amount of uncertainty because you know that one point they shared a common path. Whatever the uncertainty was, it was identical for both.
So, yes, both techniques trace signals through a system. Beyond that, though, it seems to me that they're totally different. I hope somebody will clue me in if I'm missing something; it's been many years since I was a VLSI hack.
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