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How to APR with multi set std cell reference lib by astro

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aaaach

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there are 3 set standard cell in my project, each set has different power supply voltage,i have a problem below
1. i can group each of them in different area,
but in fixed timing stage astro will insert cell in the netlist,
wrong std cell will be insert in wrong power plan.
how can i define different set std cell in different area?
 

Hi

could you let me know why you have to do so?

I think, maybe you can cut this design into several blocks first?
 

there are different power domain with different std cell.
i hope to APR with multi set std cell~~cut design will need to merge their netlist after APR.
 

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