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| PMC-Sierra | |
|---|---|
| Name | PMC-Sierra |
| Type | Public |
| Fate | Acquired by Microsemi |
| Founded | 1984 |
| Founder | Bob Moyer, Mark Blodgett |
| Headquarters | Sunnyvale, California |
| Products | Semiconductors, custom integrated circuits |
| Revenue | See Financial Performance |
| Num employees | See Financial Performance |
PMC-Sierra PMC-Sierra was a semiconductor company founded in 1984 that designed integrated circuits for storage, optical networking, broadband, and communications markets, headquartered in Sunnyvale, California. The company served customers including telecom operators and data center providers and became notable in the 1990s and 2000s for its work in storage area network controllers and optical transceivers. PMC-Sierra's trajectory intersected with major technology firms and events in Silicon Valley and ended with acquisition by Microsemi in 2016.
PMC-Sierra was founded in 1984 during the growth of Silicon Valley by Bob Moyer and Mark Blodgett, engaging with venture capital firms and partners in the semiconductor ecosystem such as Sequoia Capital and Kleiner Perkins during the 1980s. The company expanded through product development and acquisitions in the 1990s, interacting with firms like Adaptec, LSI Logic, Broadcom, and Intel as the storage and networking markets evolved. In the 2000s PMC-Sierra pursued strategic moves amid competition from Marvell Technology Group, Texas Instruments, and Broadcom Corporation while navigating industry trends set by organizations including the IEEE, Optical Internetworking Forum, and the Storage Networking Industry Association. Key milestones included public offerings and partnerships with carriers such as AT&T, Verizon, and BT during the broadband and optical networking buildouts.
PMC-Sierra developed semiconductor solutions for storage, optical transport, and broadband access markets, producing products like SAS/SATA controllers, Fibre Channel silicon, PON Optical Line Terminals, and Ethernet PHY devices. Its technology portfolio addressed needs of data centers and carriers using standards and consortia such as Fibre Channel, SCSI, PCI Express, SONET/SDH, and GPON, aligning with specifications from the International Telecommunication Union and the IEEE 802 series. PMC-Sierra competed in markets adjacent to companies like Emulex, QLogic, Marvell, Cavium, and Broadcom, and supplied components to OEMs including Cisco Systems, Hewlett-Packard, Dell, and Huawei. The company invested in mixed-signal design, DSPs, and semiconductor process work with foundries such as TSMC, GlobalFoundries, and IBM Microelectronics.
PMC-Sierra operated under a corporate governance structure with a board of directors and executive management including CEOs, CFOs, and VPs responsible for engineering, sales, and operations, often recruiting leaders from peers like Intel, AMD, and National Semiconductor. Its headquarters in Sunnyvale linked it to Silicon Valley institutions including Stanford University and trade organizations like SEMI and the Semiconductor Industry Association. Over time, leadership transitions drew attention from analysts at Morgan Stanley, Goldman Sachs, and Deutsche Bank, and board decisions reflected interactions with activist investors and pension funds such as CalPERS. Succession planning and executive compensation were influenced by practices common at public companies listed on exchanges like NASDAQ and the New York Stock Exchange.
PMC-Sierra held positions in niche markets for storage controllers, broadband access chips, and optical transport, contending with competitors including Broadcom, Marvell, LSI Corporation, QLogic, Emulex, and Maxim Integrated. Market dynamics were affected by demand from hyperscale data center operators such as Google, Amazon, Facebook, and Microsoft and by carrier purchases from China Mobile, NTT, Deutsche Telekom, and Telefónica. Industry consolidation and mergers involving Cisco Systems, Intel, and Qualcomm shifted competitive landscapes, while standards bodies and customers influenced product roadmaps and interoperability testing with companies like Finisar, Infinera, and Ciena.
PMC-Sierra reported revenue and earnings fluctuations across cycles influenced by capital spending from telecom carriers and data center customers, with financial reporting overseen by auditors and investment banks such as PricewaterhouseCoopers and JPMorgan Chase. The company’s public filings showed periods of growth and contraction, stock performance tracked by indices and analysts from firms like Morgan Stanley and Barclays, and capital events including secondary offerings, stock buybacks, and restructuring charges. Macro events including the dot-com bust, the 2008 financial crisis, and shifts in capital expenditure by carriers affected quarterly results and workforce adjustments.
PMC-Sierra faced legal and regulatory matters typical for semiconductor firms, including intellectual property disputes, trade compliance issues, and litigation over patent portfolios with entities such as LSI, Broadcom, and various non-practicing entities. The company engaged in litigation and licensing negotiations and encountered antitrust and export-control considerations involving agencies and frameworks like the United States International Trade Commission and U.S. Department of Commerce. Controversies also arose in labor and corporate governance contexts, drawing scrutiny from shareholder activists, proxy advisory firms, and regulators.
In 2016 Microsemi announced an agreement to acquire PMC-Sierra, a deal that combined portfolios and technologies and involved review by regulators in jurisdictions such as the United States Department of Justice, European Commission, and Chinese Ministry of Commerce. The acquisition affected customers, partners, and competitors including Microsemi’s peers such as Intel, Broadcom, and Xilinx and led to integration of product lines and corporate functions. Subsequently, Microsemi itself was acquired by Microchip Technology, further consolidating assets into larger semiconductor portfolios and influencing supplier relationships with OEMs like Cisco, Huawei, and Dell.
Category:Semiconductor companies Category:Companies based in Sunnyvale, California Category:Companies established in 1984