TSMC announced last year that it would invest $10 billion to $12 billion to build a chip factory in Phoenix.
Reuters this month reported that previously disclosed factory could be the first of up to up to six planned plants at the site. Now, company officials are debating whether the next plant should be a more advanced facility that can make chips with so-called 3-nanometer chipmaking technology compared to the slower, less-efficient 5-nanometer technology used for the first factory.
The more advanced 3-nanometer plant could cost $23 billion to $25 billion, one person familiar with the matter told Reuters.
Officials have also sketched out plans for TSMC to make next-generation 2-nanometer and smaller chips as the Phoenix campus is built out the next 10 to 15 years, the person said.
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