TSMC plans to make more advanced chips in US at Apple's urging

A representative for TSMC declined to comment. Apple didn't immediately respond to a request for comment.

Taiwan Semiconductor Manufacturing Co. will offer advanced 4-nanometer chips when its new $12 billion plant in Arizona opens in 2024, an upgrade from its previous public statements, after US customers such as Apple Inc. pushed the company to do so, according to people familiar with the matter.

TSMC is expected to announce the new plan when President Joe Biden and Commerce Secretary Gina Raimondo visit Phoenix for a ceremony next Tuesday, said the people, who asked not to be identified because the matter is private.

The TSMC factory had been slated to make 5-nanometer semiconductors, a standard that will be far