AMD Set to Become TSMC's Second Major Customer at Arizona Fab, Boosting US AI Chip Production

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On Tue, 8 Oct, 4:02 PM UTC

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AMD is poised to become the second major customer for TSMC's Arizona fab, potentially manufacturing high-performance AI chips starting in 2025. This move signifies a significant step towards establishing a robust AI chip supply chain in the United States.

AMD Poised to Become TSMC's Second Major Customer at Arizona Fab

Advanced Micro Devices (AMD) is set to become the second major customer for Taiwan Semiconductor Manufacturing Company's (TSMC) new fabrication plant in Arizona, following Apple. This development marks a significant step towards establishing a robust artificial intelligence (AI) chip supply chain in the United States 123.

Production Plans and Timeline

TSMC's Fab 21 in Arizona, which has already begun trial production on its 5nm node, is currently producing Apple's A16 Bionic chip using the N4P process. AMD's production at the facility is in the planning phase, with tape-out and manufacturing expected to commence in 2025 12.

AMD CEO Lisa Su hinted at this partnership during the Goldman Sachs Communacopia & Technology event in September 2023, stating, "We will be one of the early-stage customers. As a key client of the Arizona fab, we will soon initiate our first chip tape out process" 1.

Potential Products and Technologies

While the specific products AMD plans to manufacture at Fab 21 remain undisclosed, industry speculation suggests that enterprise AI chips in the CDNA 3 family, such as the Instinct MI325X, could be prime candidates 12. The MI325X, slated for release in Q4 2024, utilizes the N4 process node, aligning with Fab 21's current capabilities 2.

Advanced Packaging and US Supply Chain

Although chips manufactured at Fab 21 will initially be sent to Taiwan for packaging, recent developments suggest a more complete US-based supply chain is on the horizon:

  1. TSMC's partner Amkor has announced plans to build a $2 billion packaging and testing facility in Arizona, expected to begin production as early as 2026 12.
  2. Amkor and TSMC have agreed to collaborate on advanced packaging technologies, including InFO and CoWoS, which are crucial for AI processor manufacturing 12.

Implications for the US Semiconductor Industry

This partnership between AMD and TSMC holds significant implications for the United States:

  1. It represents a major step towards establishing a complete domestic supply chain for AI chip production 13.
  2. The move aligns with US efforts to reduce dependence on foreign semiconductor manufacturing 3.
  3. TSMC's Arizona fab has received substantial financial backing from the US government, with $6.6 billion in grants and up to $5 billion in loans 2.

Challenges and Future Outlook

Despite facing initial challenges, including labor disputes and equipment installation issues, TSMC's Fab 21 is making progress. The facility's current yields are reported to be similar to TSMC's Taiwan fabs 2.

As the US semiconductor industry continues to evolve, the collaboration between AMD, TSMC, and other partners in Arizona is poised to play a crucial role in shaping the future of AI chip production and strengthening the country's position in the global semiconductor market.

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