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       The Next Front in the U.S.-China Battle Over Chips

       A U.S.-born chip technology called RISC-V has become critical to China’s ambitions. Washington is debating whether and how to limit the technology.

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       CreditCredit...Nick Little By Don Clark and Ana Swanson

       Don Clark, who covers the chip industry, reported from San Francisco and Santa Clara, Calif., and Ana Swanson, who covers trade, reported from Washington.

       Jan. 10, 2024, 5:01 a.m. ET

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       NASA has chosen the technology to help it land future spacecraft on unmapped planets. Meta uses the technology for artificial intelligence. Chinese engineers have turned to it to encrypt data.

       And it could represent the next front in the semiconductor trade war between the United States and China.

       The technology is RISC-V, pronounced “risk five.” It evolved from a university computer lab in California to a foundation for myriad chips that handle computing chores. RISC-V essentially provides a kind of common language for designing processors that are found in devices like smartphones, disk drives, Wi-Fi routers and tablets.

       RISC-V has ignited a new debate in Washington in recent months about how far the United States can or should go as it steadily expands restrictions on exporting technology to China that could help advance its military. That’s because RISC-V, which can be downloaded from the internet for free, has become a central tool for Chinese companies and government institutions hoping to match U.S. prowess in designing semiconductors.

       Last month, the House Select Committee on the Chinese Communist Party — in an effort spearheaded by Representative Mike Gallagher, Republican of Wisconsin — recommended that an interagency government committee study potential risks of RISC-V. Congressional aides have met with members of the Biden administration about the technology, and lawmakers and their aides have discussed extending restrictions to stop U.S. citizens from aiding China on RISC-V, according to congressional staff members.

       The Chinese Communist Party is “already attempting to use RISC-V’s design architecture to undermine our export controls,” Representative Raja Krishnamoorthi of Illinois, the ranking Democrat on the House select committee, said in a statement. He added that RISC-V’s participants should be focused on advancing technology and “not the geopolitical interests of the Chinese Communist Party.”

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       Ana Swanson covers trade and international economics for The Times and is based in Washington. She has been a journalist for more than a decade. More about Ana Swanson

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