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WIDTH and PITCH in METALs

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au_sun

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When seen in an LEF file for a technology,
we get width and PITCH infos for metal wires,
how is this PITCH siginificant to EDA tool that use it,
what for they mention in the technology file,
help me in this regard

au_sun
 

These information won't affect ASIC designers. Engineers in charge of layout and P&R will take care of that.
 

ptich is the allowed minmum distance between two metals of the same layer, but it is not the same with metal spacing
 

this affect a lot in P&R. It gives you the basic idea of routing resource.

If you have redundent routing resource, you can
wide the pitch to get better timing and yield.
 

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