Introduction: PMC Sierra is a global fabless semiconductor company founded in San Jose, California in 1984. We have offices worldwide to develop and sell semiconductor devices to the storage, communication, optical networking, printing, and embedded computing markets. In 2016, Meigao Senmei acquired PMC Sierra through its subsidiary Lois Acquisition. PMC Sierra provides broadband communication and storage semiconductors for metropolitan area networks, access networks, home fiber optics, wireless infrastructure, enterprise and channel storage, laser printers, and customer premises equipment. PMC sells over 250 different semiconductor devices to equipment manufacturers, who in turn provide their equipment to communication network service providers and enterprises. PMC Sierra provides products for storage networks and systems; PMC Sierra provides communication ICs for metropolitan access, metropolitan transmission, Ethernet over FTTH/PON, SONET/SDH, optical transport networks (OTN), and wireless base station transceivers (BTS).