TSMC’s CoWoS-L Technology and Nvidia’s Packaging Shift in 2025

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Written By Rita Wright

Scientific writer

Nvidia’s Move to Advanced Packaging

In a significant move, Nvidia is transitioning the production of its Blackwell chips from TSMC’s Chip-on-Wafer-on-Substrate (CoWoS)-S advanced packaging technology to the newer CoWoS-L variant. This decision highlights the growing importance of advanced packaging techniques in the semiconductor industry, particularly for high-performance computing (HPC) and artificial intelligence (AI) applications.

The Evolution of CoWoS Technology

TSMC’s CoWoS technology has been a game-changer in the world of advanced packaging. It combines high-performance logic chips with high-bandwidth memory (HBM) in a single package, enabling higher data transfer rates and improved power efficiency. The CoWoS-S variant, which Nvidia has been using, stacks multiple chips vertically, while the newer CoWoS-L technology incorporates a larger interposer, allowing for more chips to be integrated horizontally.

According to industry experts, the CoWoS-L technology offers several advantages over its predecessor. It enables higher chip density, increased memory capacity, and better thermal management, making it well-suited for demanding workloads such as AI training and inference. Additionally, the larger interposer in CoWoS-L allows for more customization options, enabling chipmakers to optimize their designs for specific applications (source: TSMC).

Implications for Nvidia and the Semiconductor Industry

Nvidia’s decision to embrace CoWoS-L is a strategic move that aligns with the company’s focus on accelerating AI and HPC workloads. By leveraging the advanced packaging capabilities of CoWoS-L, Nvidia can potentially deliver more powerful and efficient chips for its data center and supercomputing products.

This shift also highlights the growing importance of advanced packaging technologies in the semiconductor industry. As chip scaling reaches its physical limits, advanced packaging techniques like CoWoS-L offer a viable path for continued performance improvements and product differentiation. Industry analysts predict that the advanced packaging market will experience significant growth in the coming years, driven by demands for higher performance and lower power consumption across various applications (source: Yole Dรฉveloppement).

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Furthermore, Nvidia’s partnership with TSMC underscores the critical role of foundries in enabling cutting-edge semiconductor technologies. TSMC’s leadership in advanced packaging positions it as a key player in the industry, enabling companies like Nvidia to push the boundaries of chip design and performance.

As the semiconductor industry continues to evolve, advanced packaging techniques like CoWoS-L will play a crucial role in enabling new capabilities and driving innovation across various sectors, from AI and HPC to mobile devices and beyond.

Original source: https://www.edn.com/nvidia-tsmc-and-advanced-packaging-realignment-in-2025/