MOSIS

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MOSIS (Metal Oxide Semiconductor Implementation Service) provides chip design tools and related services that enable universities, government agencies, research institutes and businesses to prototype chips efficiently and cost-effectively.

Operated by the University of Southern California's Information Sciences Institute (ISI), MOSIS combines customers' orders onto shared multi-project wafers that speed production and reduce costs compared with underutilized single-project wafers. Customers are able to debug and adjust designs, or to commission small-volume runs, without making major production investments. Fabrication costs are also shared by combining multiple designs from a single customer onto one "mask set," or wafer template. According to MOSIS, the service has delivered more than 60,000 integrated circuit designs.[1]

MOSIS was created in 1981 by ISI's Danny Cohen, an Internet pioneer who also developed Voice over Internet Protocol and Video over Internet Protocol.[2] One of the first e-commerce providers, MOSIS also launched the "fabless foundry" industry, in which vendors outsource chip orders rather than relying on their own factories.[3] Thousands of students also have learned chip design in MOSIS-associate programs.[4]

Many early MOSIS users were students trying IC layout techniques from the seminal book Introduction to VLSI Design (ISBN 0-201-04358-0) published in 1980 by Caltech professors Carver Mead[5] and Lynn Conway.[6] Some early reduced instruction set computing (RISC) processors such as MIPS (1984) and SPARC (1987) were run through MOSIS during their early design and testing phases.

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