IR drop reduction in CTS

Large cells can induce a large IR drop when they switch. In some designs, when power switches occur in regular vertical columns across the chip, it is advantageous to try and place large CTS cells, which may switch often, closer to the power switches to control the R part of the IR drop.

Cmd: create_ccopt_preferred_cell_stripe

(it’s a pity that I’m not working on multivoltage designs now, so… sad OTL.

Leave a Reply

Your email address will not be published. Required fields are marked *