Huawei unveils new semiconductor Tau Law, mapping new chip evolution path

Xinhua News Agency reports that Huawei has officially released a new fundamental theory for semiconductor development, known as the Tau Law, through a scientific paper published on the Chinese Academy of Sciences preprint platform on May 25. The innovative time-miniaturisation principle redefines the evolutionary logic for modern electronic systems and outlines upgraded development roadmaps for Huawei’s Kirin and Ascend chip series.

For more than six decades, the semiconductor industry has relied on Moore’s Law, which drives technological progress through geometric miniaturisation of chip spatial structures. As Moore’s Law approaches physical limits, rising manufacturing costs and slowing performance upgrades have created obvious bottlenecks for industrial iteration. The newly proposed Tau Law provides an alternative technical route for sustained semiconductor innovation.

Different from the spatial shrinking logic of Moore’s Law, the Tau Law centres on time miniaturisation. It adopts innovative logical folding technology to compress signal transmission delay and improve transistor density, enabling continuous performance optimisation for semiconductors and multi-level electronic systems. The theoretical framework reshapes the core development standards of the chip industry, shifting industrial exploration from spatial scaling to efficiency and time optimisation.

Huawei’s exploration of the new theoretical system stems from dual industrial and external constraints. The global semiconductor sector will face inevitable physical bottlenecks in Moore’s Law iteration over the next decade. The enterprise encountered industrial challenges earlier than its peers, prompting in-depth research into fundamental technological innovation and industrial development logic.

Over the past six years, guided by forward-looking technical concepts, Huawei has independently developed 381 self-designed chips. These chips cover optical communication, data communication, 5G wireless technology, consumer mobile devices, autonomous driving, Kunpeng general computing and Ascend artificial intelligence computing sectors, supporting the comprehensive upgrade of the firm’s core product systems.

New product iteration under the Tau Law will deliver prominent performance improvements. Huawei will launch its first fully upgraded Tau-powered Kirin mobile chip in the autumn of 2026. The new chip will achieve leapfrog progress in overall performance, integration level and transistor density compared with previous generations. Stable technical iteration will continue in the next five to ten years to sustain steady product upgrading.

Huawei emphasises that fundamental technological breakthroughs rely on persistent and down-to-earth research. Long-term concentrated exploration and engineering practice have helped the enterprise break through technical barriers and build mature industrial iteration systems. Current technical and engineering difficulties have been effectively resolved, laying a solid foundation for subsequent technological innovation.

The enterprise upholds an open and cooperative attitude toward the promotion of the new theoretical system. Huawei actively shares its practical experience and technological achievements of the Tau Law with global academic and industrial circles. Joint research and practice from all industrial participants will further improve the new technical path, driving the sustainable and high-quality development of the global semiconductor industry.