TSMC Announces Performance-Enhanced 7nm & 5nm Process Technologiesby Anton Shilov on July 30, 2019 6:00 PM EST
TSMC has quietly introduced a performance-enhanced version of its 7 nm DUV (N7) and 5 nm EUV (N5) manufacturing process. The company’s N7P and N5P technologies are designed for customers that need to make then 7 nm designs run faster, or consume slightly lower amount of power.
TSMC’s N7P uses the same design rules as the company’s N7, but features front-end-of-line (FEOL) and middle-end-of-line (MOL) optimizations that enable to either boost performance by 7% at the same power, or lower power consumption by 10% at the same clocks. The process technology is already available to TSMC customers, the contract maker of chips revealed at the 2019 VLSI Symposium in Japan, yet the company does not seem to advertise it broadly.
N7P uses proven deep ultraviolet (DUV) lithography and does not offer any transistor density improvements over N7. Those TSMC clients that need a ~ 18~20% higher transistor density are expected to use N7+ and N6 process technologies that use extreme ultraviolet (EUV) lithography for several layers.
While both N7 and N6 will be ‘long’ nodes that will be used for years to come, TSMC’s next major node with substantial density, power, and performance improvements is N5 (5 nm). The latter will also be offered in a performance-enhanced version called N5P. This technology will also feature FEOL and MOL optimizations in order to make the chips run 7% faster at the same power, or reduce consumption by 15% at the same clocks.
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