this post was submitted on 17 Nov 2023
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Is it that easy to move a design from let's say 4nm TSMC to Samsung? I always assumed if something was designed for one, it would be trouble to move it to another. I mean if the size if cache these days isn't shrinking, and there is a 5% difference or so in logic density between the two 4nm nodes, would that not screw up a design of logic decreases but cache was the same? Or do they just upscale everything by 5%?
They logical design doesn't change. But they have to use Samsung's process design kit for the physical design (cell creation, placement, routing etc)