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Vitesse and Microsemi Ease Transition to IP Edge Networks

Vitesse Semiconductor Corporation (Nasdaq: VTSS) and Microsemi Corporation (Nasdaq: MSCC) announced the availability of a joint reference design delivering precise IEEE1588v2 (1588) timing and synchronization required by carriers to deliver scalable, higher bandwidth communication services over packet-based networks. Based on Vitesse’s Serval™ VSC7418 Carrier Ethernet Switch Engine with VeriTime™ 1588 technology and Microsemi’s ZL30343 SyncE/IEEE1588 packet synchronizer (DPLL) and state-of-the-art clock recovery algorithm, the reference design enables customers to leverage Vitesse and Microsemi synchronization and timing expertise, and expedite time-to-market with next-generation network products.

“Our jointly developed reference design allows broadband service providers to simplify the implementation of 1588 synchronization and timing technology and streamline the transition to IP Edge networks,” said Maamoun Seido, vice president for timing products at Microsemi. “Demand for precise timing and synchronization solutions is growing and we will continue to collaborate with industry leaders such as Vitesse to deliver industry-standard 1588 solutions to meet this need.”

“This reference design provides our customers with a proven path to add precision timing needed for carrier access and backhaul networks,” said Uday Mudoi, product marketing director at Vitesse. “Vitesse’s VeriTime portfolio delivers nanosecond accurate time-stamping for both microwave and fiber networks, which when combined with the Microsemi DPLL and clock recovery algorithm, helps OEMs expedite upgrades to meet 4G/LTE network timing requirements.”

Reference Design Details

The reference design, known as the VSC5619EV, is available immediately. The embedded processor in the Serval device runs Vitesse CEService software, combined with Microsemi’s clock recovery algorithm.

The reference design meets the performance demands for timing synchronization in accordance with ITU-T Recommendation G.8262/G.8261 for wireless base stations, radio network controllers, gateways, aggregation and transmission equipment, and routers while reducing design complexity. Additional details are available at Contact your local Vitesse sales office to learn more.

Specific devices on the VSC5619EV include:

  • Vitesse’s VSC7418 Carrier Ethernet Switch Engine is part of its industry-leading VeriTime portfolio of 1 Gigabit Ethernet (GE), 10GE, 10GE OTN PHYs and Carrier Ethernet switch engines. For more details, visit
  • Microsemi’s ZL30343 SyncE and IEEE 1588 packet synchronizer, part of the ZL3034x family of DPLLs, which provide all required clock synthesis and network timing functions for a central timing card or line card in carrier grade network equipment. The ZL3034x chipset is based upon proven G.813 EEC Stratum3 timing silicon for clock synthesis, with additional support for IEEE 1588-2008 (PTP) and Synchronous Ethernet (SyncE) timing references. For more details, visit

About Microsemi

Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for communications, defense & security, aerospace and industrial markets. Products include high-performance, radiation-hardened and highly reliable analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and voice processing devices; RF solutions; discrete components; security technologies and scalable anti-tamper products; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, Calif., and has approximately 3,000 employees globally. Learn more at

About Vitesse

Vitesse (Nasdaq: VTSS) designs a diverse portfolio of high-performance semiconductor solutions for Carrier and Enterprise networks worldwide. Vitesse products enable the fastest-growing network infrastructure markets including Mobile Access/IP Edge, Cloud Computing and SMB/SME Enterprise Networking. Visit or follow us on Twitter @VitesseSemi.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995

Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to the joint reference design based on Vitesse’s Serval VSC7418 Carrier Ethernet Switch Engine with VeriTime 1588 technology and Microsemi’s ZL30343 SyncE/IEEE1588 packet synchronizer and clock recovery algorithm, and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on each company’s current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of each company's products, adverse circumstances in each company’s end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in Microsemi's and Vitesse’s most recent Form 10-K and Form 10-Q reports filed with the SEC. Additional risk factors may be identified from time to time in Microsemi's and Vitesse’s future filings. The forward-looking statements included in this release speak only as of the date hereof, and neither Microsemi nor Vitesse undertakes any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

Vitesse is a registered trademark and Serval and VeriTime are trademarks of Vitesse Semiconductor Corporation in the United States and other jurisdictions. All other trademarks or registered trademarks mentioned herein are the property of their respective holders.


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