Formerly known as Sierra Semiconductors, PMC-Sierra was a manufacturer of computer network high-speed semiconductors, storage, printing, and communication solutions.
On Jan 15 2016, Microsemi acquired PMC-Sierra.
Contact Microsemi for support and information.
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June 9, 1997 - Sierra Semiconductor announced a name change for the corporation PMC-Sierra, Inc.. The trading symbol for the company that was publicly traded on NASDAQ National Market also changed from "SERA" to "PMCS."