[libre-riscv-dev] DDR PHY
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Mon Feb 24 11:48:09 GMT 2020
On Mon, Feb 24, 2020 at 11:20 AM Staf Verhaegen <staf at fibraservi.eu> wrote:
> Problem is that foundry NDA may still interfere on how open the design
> can be. For example TSMC NDA does not allow to share the final GDS of
> the design to any third party without written approval of TSMC.
... because they could be used to reverse-engineer TSMC DRCs and more.
> I think most foundries have similar constraints as it is possible to
> derive design rules from the final GDS layout.
yes. which is ironically exactly what we need in order to do a chip.
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