PMC-Sierra Offers Speed Upgrades with Amkor's Packaging Technology

3/4/2003 - PMC-Sierra(TM), Inc. (Nasdaq:PMCS) announced a seamless means of upgrading from speeds of 250 MHz to over 600 MHz using the same pin-out and footprint. PMC-Sierra has applied Amkor Technology Inc.'s ExposedPad(TM) LQFP package technology to allow customers maximum flexibility in upgrading from the RM5200 family of 64-bit MIPS-based(TM) processors to the higher performance RM7000 family of 64-bit processors with on-chip Level 2 cache. The ExposedPad(TM) package addresses cost-sensitive applications such as laser printers, set-top boxes (STB), personal video recorders (PVR) and high definition televisions (HDTV) and provides up to 60 percent enhanced thermal and superior electrical performance.

Introducing the New RM7035C and Two Pin-Compatible Performance Migration Paths
PMC-Sierra also introduced the new RM7035C offered exclusively in the ExposedPad(TM) package. This device is the first RM7000 class 64-bit MIPS-based processor to offer a 32-bit SysAD bus interface optimized for the most cost-sensitive applications. PMC-Sierra's ExposedPad(TM) packaged family of MIPS-based processors will provide two migration paths based on customer requirements for 32-bit or 64-bit wide SysAD bus interfaces.

"PMC-Sierra is using Amkor's ExposedPad(TM) package to offer customers pin-compatible and seamless upgrade paths," said Tom Riordan, vice president and general manager, Microprocessor Products Division, PMC-Sierra. "PMC-Sierra's MIPS-based processors offer the broadest range of speeds, from 200 MHz to 1GHz, with an optimized price-power-performance ratio. Our roadmap is aggressive and we are committed to increasing scalability and performance in future solutions."

"The ExposedPad(TM) package technology was first designed to provide enhanced thermal performance and superior electrical characteristics for RF front-end and micro-controller manufacturers who sold to the portable electronics market," said Gary Hamming, Amkor's senior director of thin leadframe products. "We are pleased to see PMC-Sierra's innovation in extending these same superior thermal and electrical features into new markets creating a seamless and scalable solution for their high-performance MIPS-based family of processors."

Availability, Pricing and Customer Support
PMC-Sierra's MIPS-based processors using the ExposedPad(TM) package (RM5231A, RM7035C, RM5261A, and RM7065C) are currently sampling. Pb-free parts are also available in support of the "Green" electronics movement in Europe and Japan which mandates lead be banned from all electronic products as early as 2006. Depending upon the package type and speed, pricing for the devices range from $15 to $75 in 10 KU quantities. For more information about pricing and availability, contact a PMC-Sierra sales representative at A wide range of development tools and resources are available through third-party development partners at

Comprehensive Family of 64-bit MIPS-based Processors
The MIPS(R) architecture has become one of the most widely licensed, open industry standard architecture in the communications networking, printer and advanced electronic consumer markets. PMC-Sierra offers the most comprehensive family of 64-bit MIPS-based processors on the market today, designed with the optimal speed, power and cost solution for these applications. PMC-Sierra's MIPS-based processor families are used in a broad range of applications such as enterprise routers and switches, media gateways, storage systems, printers, and advanced electronic consumer products. For more information about PMC-Sierra's MIPS-based processor products, visit

About Amkor and ExposedPad(TM) Technology Package
ExposedPad(TM) is a thin, cost effective, thermally efficient and high frequency packaging solution. ExposedPad(TM) products are made using leadframes with a 'deep downset' die attach paddle, which is exposed to the outside of the package after the mold process.

Amkor Technology, Inc. is the world's largest provider of contract semiconductor assembly and test services. The company offers semiconductor companies and electronics OEMs a complete set of microelectronic design and manufacturing services. More information on Amkor is available at

About PMC-Sierra
PMC-Sierra is a leading provider of high-speed broadband communications and storage semiconductors and MIPS-based processors for Enterprise, Access, Metro Optical Transport, Storage Area Networking and Wireless network equipment. The company offers worldwide technical and sales support, including a network of offices throughout North America, Europe and Asia. PMC-Sierra is included in the S&P 500 Index, which consists of 500 stocks chosen for market size, liquidity, and industry group representation. The company is publicly traded on the NASDAQ Stock Market under the PMCS symbol. For more information about PMC-Sierra's family of MIPS-based processors, visit

PMC-Sierra, PMC and Thinking you can build on are trademarks of PMC-Sierra, Inc. ExposedPad(TM) is a trademark of Amkor Technology, Inc.

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