TSMC's new U.S. plant is unlikely to get the most advanced chip technology before factories in Taiwan due to complex compliance issues, local construction regulations and various permitting requirements,

TSMC on Thursday officially confirmed that its Fab 21 near Phoenix, Arizona, had begun high volume production of chips after months of rumors and a confirmation from the U.S. Commerce Secretary earlier in January.

Taiwan computer chip maker TSMC has reported its profit in the last quarter rose 57%, buoyed by the artificial intelligence boom.

Apple and Nvidia chip supplier TSMC is spending US$65 billion on three giant factories in the state of Arizona.