If you’re talking about TSMC Arizona they aren’t fabricating at N3 until end of next year at the earliest, N2 isn’t slated until “end of decade”. I think they’re manufacturing Blackwell there which is N4 / 4nm

Source: https://www.tsmc.com/static/abouttsmcaz/index.htm

https://www.tomshardware.com/tech-industry/semiconductors/nv...