What are different layer optimization techniques in VLSI for lower nodes?

[Girija_123]

Will you please let me know What are different layer optimization techniques in VLSI for low power nodes?

 

[ThisIsNotSam]

I can't make sense of this question. What is a layer technique?

 

[Girija_123]

I can't make sense of this question. What is a layer technique?

This was also interview question, Probably interviewer might be thinking about layer promoting from lower layer to higher metal layer, so that we can see timing improvement for violated setup paths.

 

[ThisIsNotSam]

This was also interview question, Probably interviewer might be thinking about layer promoting from lower layer to higher metal layer, so that we can see timing improvement for violated setup paths.

that sounds very strange. maybe the interviewer wanted to go in the direction of non-default rules but the wording os very strange.