Zarlink Enables Fast Synchronous Ethernet Upgrade for Existing Carrier Equipment

OTTAWA, CANADA -- (MARKET WIRE) -- Feb 18, 2009 -- Zarlink Semiconductor Inc. (TSX: ZL) today expanded its market-proven Synchronous Ethernet portfolio with new solutions for timing card and line card applications. These single-chip solutions help service providers increase revenue and lower operating costs by ensuring accurate end-to-end transmission of voice, video, data and wireless applications and services over packet networks.

Zarlink is the only supplier offering single-chip Synchronous Ethernet solutions in full compliance with the International Telecommunications Union (ITU-T) G.8262 recommendation, while supporting very low jitter clocks for both 1 GbE and 10 GbE PHYs. Zarlink is helping guide the development of standards governing Synchronous Ethernet timing requirements, including editing the ITU-T G.8262 recommendation. Full compliance with this recommendation is essential for service providers as they plan the synchronization of packet networks.

Zarlink's new timing card and line card solutions support both PDH/SONET/SDH and Synchronous Ethernet frequencies to offer a seamless interface between traditional and Ethernet clock domains. For equipment manufacturers, this translates into a simple, quick and cost-effective line card upgrade to fully support Synchronous Ethernet. Zarlink is already shipping its new Synchronous Ethernet solutions in volume, with lead customers designing the chips into access, wireless, router and metro Ethernet applications.

"Carriers are demanding new technologies that lower operating costs and enable revenue-generating communication services, translating into growing demand for Synchronous Ethernet solutions," said Jeremy Lewis, product line manager with Zarlink's Timing and Synchronization group. "Zarlink delivers the most comprehensive portfolio of integrated, ITU-T G.8262 compliant Synchronous Ethernet solutions tailored for the full range of architectures. The fully featured solutions provide unparalleled performance and integration to help our customers reduce costs and quickly deliver products to market."

Comprehensive Synchronous Ethernet portfolio

Zarlink's expanded Synchronous Ethernet portfolio includes two devices with integrated analog and digital phase locked loops (APLL/DPLL) targeting central timing cards in carrier-grade networking equipment. The ZL™30143 Synchronous Ethernet timing card device provides two independent DPLLs for applications that require independent transmit and receive timing paths, while the ZL30142 device uses a single DPLL for clock and/or frame pulse synchronization. Both devices require only an inexpensive temperature controlled crystal oscillator (TCXO) to achieve full ITU-T G.8262 compliance, including low bandwidth wander filtering requirements, to enable high performance and lower design costs. The devices support full hitless reference switching for any frequencies on any combination of inputs.

Zarlink's Synchronous Ethernet portfolio also includes two devices tailored to line card applications. The ZL30146 chip incorporates two independently configurable DPLLs for PDH/SONET/SDH and Ethernet network interface cards requiring both transmit and receive paths between the backplane and physical layer. The ZL30145 provides one DPLL for clock synchronization, and delivers rate conversion and jitter attenuation compliant performance for Synchronous Ethernet, SDH and SONET equipment. To help lower design costs, the devices require only off-the-shelf, low-cost 20 MHz oscillators or even a crystal. In comparison, competing devices require an expensive high precision clock or high frequency rate oscillator.

Availability and support

Zarlink's new Synchronous Ethernet timing chips for timing card and line card applications are now in volume production. For more information, visit the product profiles for the devices.

ZL30143 SyncE SONET/SDH G.8262/Stratum3 System Synchronizer/SETS

ZL30142 SyncE SONET/SDH G.8262/Stratum 3 System Synchronizer

ZL30146 SyncE SONET/SDH Line Card PLL

ZL30145 SyncE (10 GbE) SONET/SDH Rate Conversion and Jitter Attenuator PLL

Complete information on Zarlink's Synchronous Ethernet timing devices, including complete data sheets and applications notes, is available to qualified customers. To learn how to become a qualified customer, please contact your local sales representative.

About Zarlink Semiconductor

For over 30 years, Zarlink Semiconductor has delivered semiconductor solutions that drive the capabilities of voice, enterprise, broadband and wireless communications. The Company's success is built on its technology strengths including voice and data networks, optoelectronics and ultra low-power communications. For more information, visit

Shareholders and other individuals wishing to receive, free of charge, copies of the reports filed with the U.S. Securities and Exchange Commission and Regulatory Authorities, should visit the Company's web site at or contact Investor Relations.

Certain statements in this press release constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve known and unknown risks, uncertainties, and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance, or achievements expressed or implied by such forward-looking statements. Such risks, uncertainties and assumptions include, among others, the following: our dependence on the successful development and market introduction of new products; our ability to integrate any business, technologies, product lines or services that we have or will acquire; our dependence on revenue generation from our legacy products in order to fund development of our new products; current market conditions, including the lack of liquidity in the markets and economic slowdown, may increase our operating costs or reduce our revenue, thereby negatively impacting our operating results; our ability to operate profitably and generate positive cash flows in the future; the impact of the current economic crisis on our suppliers and customers and our ability to transfer parts to other suppliers; our dependence on our foundry suppliers and third-party subcontractors; order cancellations and deferrals by our customers; our substantial indebtedness could adversely affect our financial position; the cost and accounting implications of compliance with new accounting standards; and other factors referenced in our Annual Report on Form 20-F. Investors are encouraged to consider the risks detailed in this filing.

Zarlink and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

Zarlink Semiconductor Inc.
Ed Goffin
Media Relations and Investor Relations

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