20nm? TSMC’s N4 plant in Arizona is set to be fully operational this year. There was a delay, and then their schedule was accelerated. https://www.emsnow.com/

20nm? TSMC’s N4 plant in Arizona is set to be fully operational this year. There was a delay, and then their schedule was accelerated. https://www.emsnow.com/tsmcs-us-fab-reportedly-eyeing-for-early-mass-production/ https://www.emsnow.com/tsmcs-us-fab-reportedly-eyeing-for-ea... N3 is still a few years out (seems to be 2028)