First, let’s define better? Better in terms of Power. Performance and Area

Every VLSI engineer, an RTL architect, or Lead Synthesis Engineer, or Senior Physical Designer, or Director of Signoff timing analysis – practically everyone is doing timing ECO at every step of their flow. I, being a part of Signoff timing analysis and Physical Design world, am doing ECO almost every day, and so I understood that its more than adding buffer and upsizing/downsizing cells.

All of the factors or ways shown in above image impacts either dynamic power or short-circuit power or leakage power. The question is, do you know why do we still do it? Do you know how can we still do with minimally impact on other parameters? Yes, No, Don’t Know….

It’s time to unveil more than 15 strategies to do timing ECO and below are few of them

…..and many more…

See, I told you, timing ECO is more than just adding buffers and sizing cells…Do you want to know all the strategies? Do you want to be a better timing engineer? Engineering includes tons of changes and modifications from inception to final product. Hence its called Engineering Change Order (ECO)