[1/3] Taiwan's APEC representative and TSMC founder Morris Chang speaks at a news conference after his return to Taipei, Taiwan November 21, 2022. REUTERS/Ann Wang TAIPEI, Nov 21 (Reuters) – Taiwanese chipmaker TSMC is planning to produce chips with advanced 3-nanometre technology at its new factory in the U.S. state of Arizona but the plans are not completely finalised yet, the company's founder Morris Chang said on Monday. Taiwan Semiconductor Manufacturing Co Ltd (TSMC) (2330.TW), , a major Apple Inc (AAPL.O) supplier and the world's largest contract chipmaker, is constructing a $12 billion plant in Arizona. Last year, Reuters reported…