US restrictions slow down Huawei's AI chip ambitions

Huawei is designing its next two Ascend processors, its answer to Nvidia Corp.'s dominant accelerators, around the same 7-nanometer architecture that's been mainstream for years, people familiar with the matter said. That's because US-led restrictions prevent Huawei's chipmaking partners from procuring state-of-the-art extreme ultraviolet lithography systems from ASML Holding NV.