TSMC Newest N4X Process Targets HPC Products

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N4X is the first of TSMC's HPC-focused technology offerings, representing ultimate performance and maximum clock frequencies in the 5-nanometer family.

www.eetasia.com, Dec. 16, 2021 – 

TSMC today introduced its N4X process technology, tailored for the demanding workloads of high performance computing (HPC) products. N4X is the first of TSMC's HPC-focused technology offerings, representing ultimate performance and maximum clock frequencies in the 5-nanometer family. The "X" designation is reserved for TSMC technologies that are developed specifically for HPC products.

Leveraging its experience in 5nm volume production, TSMC further enhanced its technology with features ideal for high performance computing products to create N4X. These features include:

• Device design and structures optimized for high drive current and maximum frequency
• Back-end metal stack optimization for high-performance designs
• Super high density metal-insulator-metal capacitors for robust power delivery under extreme performance loads

These HPC features will enable N4X to offer a performance boost of up to 15% over N5, or up to 4% over the even faster N4P at 1.2 volt. N4X can achieve drive voltages beyond 1.2 volt and deliver additional performance. Customers can also draw on the common design rules of the N5 process to accelerate the development of their N4X products. TSMC expects N4X to enter risk production by the first half of 2023.

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