Kareem Farid
Kareem Farid
It is needed in order to have met4 vertical stripes at the top level enter the macro and connect with the macro on met5 in the rings. Unless that changed,...
We have always used a negative halo and currently some designs rely on that. It used to be that PDNGEN wouldn't attempt to connect to any metal layer in a...
> We have always used a negative halo and currently some designs rely on that. It used to be that PDNGEN wouldn't attempt to connect to any metal layer in...
Ok so if I understand correctly negative halo was not applied correctly. This will be fixed (or already is fixed now). Negative halo by itself is still a valid parameter...
By "doesn't cover the core area" do you mean it would generate unconnected straps ?
In some cases a given macro is already integrated and it would be hard to change the routing of the parent design
If the margin was big enough, it can solve placement and routing issues in case of increase in congestion or utilization.
Yes that's what I meant. If the old was big, decreasing it would help. Having a minimal value. I don't know really know on the top of my head why...
I do wonder if this can lead to designs with faulty PDNs which aren't automatically detected.
Hello. Any update on this?