[libre-riscv-dev] PDK from TSMC

Luke Kenneth Casson Leighton lkcl at lkcl.net
Thu Mar 5 12:39:22 GMT 2020

On Thu, Mar 5, 2020 at 12:33 PM Immanuel, Yehowshua U
<yimmanuel3 at gatech.edu> wrote:

> So just to confirm, you’ve already got your hands on the PDK?

yes staf has, it's why we chose to work with him.  staf has access to
the TSMC shuttle service (by an indirect route) from some sponsored

we do the layout in "symbolic" form (using "phantom views" of the TSMC
Cell Libraries which is entirely libre-licensed), and he does the
final pass (under NDA) turning into "real" form using *real* TSMC Cell
Libraries which are identical shape and connections to the "phantom"
(libre-licensed) ones.

i've specifically allocated a budget for staf so that he can take care
of any differences.


More information about the libre-riscv-dev mailing list