PMC-Sierra, Inc. designs, develops, markets, and supports semiconductor solutions for communications network infrastructure in North America, Europe, and Asia. Its semiconductor devices enable networking equipment primarily in three markets: storage, optical, and mobile networks. The company’s storage products comprise RAID-on-Chip, controllers, expanders, loop switches, physical layer products, and MIPs processors that enable high-speed communication servers, switches, and storage devices to store, manage, and move large quantities of data. Its optical products include wide area network communication products focusing on metro and access networks, including optical transport network, synchronous optical networks, asynchronous transfer mode, and fiber to the home; and meta and HyPHY family products, ethernet, synchronous digital hierarchy framers, cross connects, and T1/E1 and DS-3/E3 mappers/framers. The company’s mobile products consist of Winpath processors, T1/E1, and SERDES devices, as well as devices that are used in 2G, 3G, and 4G wireless base stations and mobile backhaul equipment; and UFE family products, combiner/serializers, transceivers/framers, and radio devices. PMC-Sierra sells its products directly, as well as through distributors and independent manufacturers’ representatives to equipment and design manufacturers, who in turn supply their equipment to service providers, carriers, and enterprises. The company was founded in 1983 and is headquartered in Sunnyvale, California.

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