US tightens restrictions on Huawei's chip supply : Page 2 of 2

May 18, 2020 //By Peter Clarke
US tightens restrictions on Huawei's chip supply
The United States Department of Commerce announced plans Friday May 15 to restrict Huawei's ability to use U.S. technology and software to design and manufacture its semiconductors, effectively cutting off its chip supply.

The possibility of rule changes had been floated before (see US reconsiders restricting China's chip supply). At that time it was thought that these rule changes would be generic although it was widely supposed the intended target was Huawei, which has grown to become the world's largest telecommunications equipment company and the leader in 5G communications. The US has banned the purchase of Huawei equipment on the grounds that it could be used for spying in users by the Chinese state. The US has also pressed other countries to take the same position. Huawei has always denied it could would act in such a manner.

The BIS said that it would make semiconductor designs when produced by Huawei and its subsidiary HiSilicon, subject to Export Administration Regulations. These items will require a license from the United States if they are to be exported to or transferred to Huawei or any of its affiliates. The BIS said that the condition would only apply to wafer starts as of May 15, 2020. Suppliers have 120-day grace period to complete and ship work-in-progress.

Huawei said the move by the US was totally unjustified and that despite being put on the entity list a year ago had continued to comply with all the regulations. It would now do everything it could to find a solution to the latest restrictions but that the move would inevitably hit its business.

The change is likely to have the biggest impact on Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan). Huawei was responsible for about 14 percent of TSMC's sales in 2019 and China as a whole about 20 percent (see HiSilicon breaks into top ten chip vendor ranking).

However, TSMC is expected to comply fully with the enhanced US restrictions and indeed on the same day that they were announced, announced its own plans to build a wafer fab in Arizona, thereby further helping US foreign policy aims.

Related links and articles:

US reconsiders restricting China's chip supply

US considers taking control of global chip exports

Semiconductor industry pushes back against US export controls

ST deal won't shield Huawei, but could help

Huawei stockpiling chips, expecting tighter US sanctions

Analysis: TSMC ponders US wafer fab while awaiting trade rule changes

US talks to Intel, TSMC about building local foundry fabs

HiSilicon breaks into top ten chip vendor ranking


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