​Biren thwarted from building mythical chip

TSMC may have done Shanghai-based Biren a big favor. The US Commerce Department recently invoked restrictions on what level of processors may be shipped to China. Limits were placed on high-end GPUs that power supercomputers and artificial intelligence. It’s not just AMD, Intel, and Nvidia that have restrictions placed on certain parts; companies that make tool or design software have received similar letters in recent weeks informing them that the high-end technologies they export to China have been restricted. Nvidia’s A100 and H100 are examples of the sanctioned parts. Those processors were the target of Biren, and when it announced