TSMC, the world's largest chipmaker, is planning to build a new fab in Arizona to produce chips with over a trillion transistors, specifically for AI applications. The new fab is expected to cost around $12 billion and will be located in the city of Phoenix.TSMC is betting that AI will be a major driver of growth in the semiconductor industry in the coming years. AI chips are used in a wide range of applications, including self-driving cars, facial recognition, and natural language processing.The new fab will be TSMC's first in the United States. The company currently has fabs in Taiwan, China, and Japan. TSMC is building the new fab in the United States to be closer to its customers in the United States and Europe.The new fab is expected to be operational by 2024. TSMC is expected to produce chips for a variety of AI applications, including self-driving cars, facial recognition, and natural language processing.The new fab is a major investment by TSMC and is a sign of the company's confidence in the future of AI. TSMC is betting that AI will be a major driver of growth in the semiconductor industry in the coming years and is investing heavily to be a leader in this market.In addition to the new fab, TSMC is also investing in AI research and development. The company has established an AI research center in Taiwan and is working with universities and research institutions around the world to develop new AI technologies.TSMC's investment in AI is a sign of the growing importance of AI in the semiconductor industry. AI is expected to be a major driver of growth in the semiconductor industry in the coming years and TSMC is investing heavily to be a leader in this market.