PMC-Sierra

PMC-Sierra was a global fabless semiconductor company with offices worldwide that developed and sold semiconductor devices into the storage, communications, optical networking, printing, and embedded computing marketplaces.

PMC-Sierra
Public
Traded asFormerly NASDAQ: PMCS
IndustryFabless semiconductor company
FateAcquired by Microsemi
Founded1984
DefunctJanuary 15, 2016
Headquarters
Sunnyvale, California
,
United States[1]
Key people
Greg Lang (CEO)
Number of employees
1,500[2]
Websitepmcs.com

On January 15, 2016, Microsemi Corporation completed acquisition of PMC-Sierra through Microsemi's subsidiary Lois Acquisition.[3]

History
Burnaby, Canada PMC-Sierra Building

Sierra Semiconductor was founded in 1984 in San Jose, California by James Diller.[4] It received funding on January 11, 1984 from Sequoia Capital, and went public in 1991.

Pacific Microelectronics Centre (PMC) in Burnaby, British Columbia, Canada, was spun off from Microtel Pacific Research (the research arm of BC TEL at the time) to develop Asynchronous Transfer Mode (ATM) and later SONET integrated circuits (chips). With investment from Sierra Semiconductor, PMC was established in 1992 as a private company focused on providing networking semiconductors, and became a wholly owned, independently operated subsidiary of Sierra Semiconductor in 1994. Microtel is a part of Verizon Communications.

In 1995, using ideas from UBC Electrical Engineering students, PMC revolutionized the optical networking chipset market with the first OC-12 (622 Mbit/s) S/UNI transceiver chips. This circuit-design breakthrough put the company 3 years ahead of Bell Labs in its optical transceiver development.[5]

In August 1996, Sierra Semiconductor announced its decision to exit the personal computer modem chipset business, to restructure its other non-networking products and focus on its networking products. 150 employees were made redundant.[6] In late 1996, it acquired Bipolar Integrated Technology in Beaverton, Oregon, for about $10 million to enter the Ethernet business. The headquarters was moved to Burnaby, and in June 1997, PMC Sierra overtook its parent, Sierra Semiconductor, changing its name to PMC-Sierra.[7] It acquired Integrated Telecom Technology Inc., San Jose, for $55 million in cash and stock in 1998.[4]

Between 2001 and 2015 the company had multiple rounds of layoffs. In 2001, 350 employees, or 24% of total workforce, were laid off.[8][9] Then in January 2003, 176 employees were laid off[10] and in June 2005, 89 employees were laid off.[11] In August 2006, 30 to 40 employees were laid off.[12] In 2007 two rounds of layoffs happened, first in March 2007, 175 employees were laid off[13] and then in December 2007, 18 employees were laid off.[14] In July 2015, roughly 200 employees were laid off as part of a restructuring measure.[15]

In May 2006, PMC-Sierra acquired Passave, Inc., a developer of system-on-chip semiconductors for the fiber to the home access market in a stock-for-stock transaction valued at approximately $300 million. Passave was headquartered in Boston and had a development center in Tel Aviv, Israel.[16] On October 22, 2010, PMC-Sierra acquired Wintegra Inc. for $240 million. Wintegra had 165 employees with the majority of its development team located in Raanana, Israel, and Austin, Texas.[17] A further acquisition was made on the 29th of May 2013 when PMC acquired IDT's Enterprise Flash Controller Business.[18]

During the fall of 2015, both Skyworks Solutions[19] and Microsemi[20] were attempting to acquire PMC-Sierra. On November 24, 2015, Microsemi announced that they had entered into an agreement to acquire PMC-Sierra.[21]

Technology

PMC-Sierra provides broadband communications and storage semiconductors for metro, access, fiber to the home, wireless infrastructure, enterprise and channel storage, laser printers and customer premises equipment. PMC has more than 250 different semiconductor devices[22] that are sold to equipment manufacturers, who in turn supply their equipment to communications network service providers and enterprises. As a fabless semiconductor company, PMC-Sierra designs and tests products, but outsources wafer fabrication and assembly functions to third party suppliers.

PMC-Sierra's customers include HP, EMC Corporation, Huawei, Cisco, Alcatel-Lucent, Fujitsu, Hitachi, Mitsubishi, ZTE and Juniper.

Storage

PMC-Sierra offers products for storage networks and systems.[23] The company provides an interconnect and controller product family for SAS and SATA storage systems and server computer RAID controllers. PMC-Sierra provides Fibre Channel controller and system interconnect products. PMC-Sierra acquired the channel storage business from Adaptec. This business was named "Adaptec by PMC" and makes SAS/SATA RAID Adapters. In July 2013 PMC completed the acquisition of IDT's Flash controller business[24] and in August 2014 introduced the Flashtec line of non-volatile memory drives.

Communications

PMC-Sierra offers communication ICs for metro access, metro transport, FTTH/PON, Ethernet over SONET/SDH, Optical Transport Network (OTN) and wireless base transceiver stations (BTS).[25] PMC-Sierra sells products for what is known as Ethernet in the first mile, which generally uses a passive optical network to residential areas. PMC-Sierra semiconductor devices allow wireless service providers to deploy wireless mobile phone network equipment.[26] This includes MIPS-based network processors for wireless back haul and radio frequency integrated circuits for wideband radio modules. The company's UniTRX chipsets are highly integrated, low-power RFICs for wideband radio modules that operate in the 400 MHz to 4 GHz frequency range. These solutions address the performance requirements of 3GPP and 3GPP2 macro base station radio transceivers and support multiple standards such as MC-GSM, cdma2000®, WCDMA, and LTE.

The company's DIGI-G4 chipset is PMC's latest OTN processor, and it enables the transition to 400G line cards in OTN switched metro networks. It is the industry's densest single-chip 4x100G OTN processor with 50 percent less power per port. In March 2015 the PMC DIGI-G4 OTN processor was awarded a Lightwave Innovation Award [27] with the judges citing "...substantial new features, technologies, and capabilities included in the upgrade..."[27]

Printers

PMC-Sierra has discrete and system-on-chip products for both laser and multi-function printers.

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gollark: Yes.
gollark: I'm saying that, if we are to maintain the current policy, we can monitor this sort of thing over time to see if it would actually be an issue if we changed it, to clarify.
gollark: We could monitor the websites of people who applied but didn't get enGEORGED yet for badness to see if this is actually a likely problem.
gollark: I don't even know; æ.

References
  1. "PMC - SEC Filings". corporate-ir.net. 15 July 2012. Archived from the original on 15 July 2012.
  2. "10-K SEC filing". corporate-ir.net. Archived from the original on 12 July 2012.
  3. "Microsemi Corporation Completes Acquisition of PMC-Sierra, Inc". microsemi.com.
  4. Robert Ristelhueber (September 1, 1998). "Pulling the plug". Electronics Design News. Retrieved October 28, 2013.
  5. "OC12 ATM Takes Wing". Network World.
  6. "Sierra Semiconductor Expects to Cut 150 Employees". The New York Times. August 31, 1996. Retrieved October 28, 2013.
  7. Crista Hardie Souza (14 July 2012). "Former Sierra Semi completes restructuring - Electronic News". findarticles.com. Archived from the original on 14 July 2012.
  8. Gale Morrison (December 3, 2001). "PMC Maximizes Acquisitions". EDN. Archived from the original on 30 July 2012. Retrieved 18 November 2015.
  9. "PMC-Sierra to lay off 350. Retrieved on 2009-03-29". Marketwatch.com. 2001-10-18. Retrieved 2014-05-08.
  10. "PMC-Sierra Lays Off 176". Electronics Design News. January 17, 2003. Retrieved October 28, 2013.
  11. "PMC-Sierra Cuts 89 Jobs". Electronics Design News. June 24, 2005. Retrieved October 28, 2013.
  12. "More Layoffs at PMC-Sierra". Electronics Design News. August 31, 2006. Retrieved October 28, 2013.
  13. Suzanne Deffree (March 30, 2007). "PMC-Sierra closes R&D centers, cuts 175 jobs". Electronics Design News. Retrieved October 28, 2013.
  14. 10-K SEC Filing by PMC Sierra on 02/26/09. Retrieved on 2009-03-29
  15. "PMC - News Release". Archived from the original on 8 January 2016. Retrieved 18 November 2015.
  16. "PMC-Sierra to buy Passave for $300M". MarketWatch. April 4, 2006. Retrieved October 28, 2013.
  17. "PMC-Sierra buys Wintegra: The acquisition of Wintegra expands PMC-Sierra's presence in Israel, where its FTTH business is based". Globes: Israel's Business Arena. October 24, 2010. Archived from the original on October 29, 2013. Retrieved October 28, 2013.
  18. "PMC-Sierra Announces Acquisition of IDT SSD Assets". StorageReview. May 31, 2013. Retrieved January 7, 2015.
  19. "Skyworks to Acquire PMC-Sierra for $2 Billion in Cash". Business Wire. 2015-10-05.
  20. "Microsemi Corporation Announces Superior Proposal to Acquire PMC-Sierra, Inc. for $11.50 Per Share With Intent to Close in December 2015". 2015-10-19.
  21. Steele, Anne. "Microsemi Wins Battle to Buy PMC-Sierra". wsj.com.
  22. "Microsemi - Semiconductor & System Solutions - Power Matters". www.pmc-sierra.com.
  23. Archived September 12, 2010, at the Wayback Machine
  24. "PMC Completes Acquisition of IDT's Enterprise Flash Controller Business". PMC. July 15, 2013. Archived from the original on 8 January 2016. Retrieved 18 November 2015.
  25. Archived April 27, 2010, at the Wayback Machine
  26. Archived April 18, 2010, at the Wayback Machine
  27. Lightwave Staff. "PMC DIGI-G4 OTN Processor". Retrieved 18 November 2015.
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