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Flags of Taiwan and the US.
The US Department of Commerce ordered Taiwan Semiconductor Manufacturing Company to stop shipping advanced chips to Chinese customers starting yesterday, Monday, Nov. 11. The government sent a letter to TSMC specifying that this restriction applies to all chips that are seven nanometers or smaller, which can be used to power artificial intelligence models.
Just weeks ago, TSMC notified the Commerce Department that it found that chips it produced were used inside of a Huawei processor. Huawei is a Chinese tech giant subject to stringent US trade restrictions. In response, TSMC cut off Sophgo, a Chinese chip designer that used its fabrication facilities to make the Huawei chip in question.
In Oct. 2022, the Biden administration announced stringent export controls against chips flowing into China. But there wasn’t an all-out ban, explains Xiaomeng Lu, director of Eurasia Group’s geo-technology practice. “US suppliers could seek a sales license to sell to Chinese buyers and sometimes they do get approved — this is the nature of [the] export control regime,” she said. “They are not blank bans.”
But now, TSMC, a strategic corporate partner of the US government, will be barred from all Chinese sales under the new export control rules. “It is possible that TSMC has sought these licenses and offered green lights [to bypass the rules],” Lu said. “Conversely, they have failed to comply with US rules and were caught doing so.”
