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Can any body tell me if there is any option to route a net without overlapping with metals in different layers.
I can't think of a quick or easy way to do this... can you say why you want to do this? Maybe knowing the end goal will lead us to find a different solution.
In reply to Kari:
I have observed that in my design iam getting more coupling capacitance in case of when different metal routing overlaps than the routing in same metal layers placed closely. I tried to do fix these problem by manually clearing the overlap. it is a tedious task. I was wondering if there is any smart way of doing this.
P.S. It is one of the signoff checks that coupling cap should not exceed a particular threshold value..
In reply to surajece01:
Are you setting nanoRoute to avoid SI issues?
setNanoRouteMode -routeWithSIDriven true
setNanoRouteMode -routeSIEffort high
Thanks kari for the response,
I have already tried the above options they doesnt seem to work. They dont see the si effect due to metals in different layers.
I need a option which would help me in rerouting the net without overlap with other metals.
I think then the next plan of attack should be to use the Mixed Signal router on these nets, so you can take advantage of coax shielding. Check out the chapter in the EDI System User Guide called "Using the Encounter Mixed Signal Router", specifically the section on Specialized Routing Techniques/Shielded Nets - look for coaxial shielding. Let us know how this works for you!