Lattice Announces Eureka Technology Partnership for IP Cores

Eureka Technology, Inc., Founding Member of Lattice's ispLeverCORETM Connection Program, Providing IP Cores for Lattice's ispXPGATM and ORCA® FPGA/FPSC Devices

HILLSBORO, OR/LOS ALTOS, CA - SEPTEMBER 2, 2003 - Lattice Semiconductor Corporation (NASDAQ: LSCC) today announced its partnership with Eureka Technology, Inc. as it becomes one of the founding members of Lattice's ispLeverCORE Connection IP partners program. Through this program, Lattice and Eureka Technology will provide a range of complete system solutions to their mutual customers integrating system-level Intellectual Property (IP) together with the most advanced silicon architectures. Lattice's partners program is designed to allow customers to easily access and integrate approved 3rd-party IP products using Lattice programmable devices.

"Lattice is pleased to partner with Eureka Technology, an IP company with a rich history of successful customer engagements that specializes in system core logic and peripherals. We're very excited to add Eureka Technology products such as their CompactFlash Adapter and PowerPC Bus interface cores to the Lattice extended IP product line," said Stan Kopec, Lattice Vice President of Corporate Marketing.

Simon Lau, President of Eureka Technology, Inc. stated: "Eureka Technology recognizes that Lattice is a significant player in the programmable logic market. Lattice's unique non-volatile, infinitely reconfigurable ispXPTM technology is well suited for implementing Eureka cores into a wide variety of embedded systems."

Connection Cores from Eureka Technology
For the launch of the ispLeverCORE Connection program, Eureka Technology has ported, optimized, and tested a selection of their flagship IP cores on Lattice FPGA devices. The initial Connection Cores from Eureka Technology are shown below. Check the Lattice website for up-to-date information on Eureka Technology's Connection Cores (www.latticesemi.com/products/devtools/ip/eureka/index.cfm).

• Processor, Controller & Peripheral Cores

• EP100: PowerPC Bus Slave
• EP201: PowerPC Bus Master
• EP300: PowerPC Bus Arbiter
• EP510: CompactFlash/PCMCIA Host Adapter

These Connection Cores are available in netlist format for immediate purchase from Eureka Technology. Eureka Technology also offers a variety of additional packaging and licensing options to suit customer's specific needs. By leveraging partner products, customers can quickly implement a wide variety of functions in Lattice programmable devices.

About Lattice Semiconductor
Oregon-based Lattice Semiconductor Corporation designs, develops and markets the broadest range of Field Programmable Gate Arrays (FPGAs), Field Programmable System Chips (FPSCs) and high-performance ISPTM programmable logic devices (PLDs). Lattice offers total solutions for today's system designs by delivering the most innovative programmable silicon products that embody leading-edge system expertise.

Lattice products are sold worldwide through an extensive network of independent sales representatives and distributors, primarily to OEM customers in the fields of communication, computing, computer peripherals, instrumentation, industrial controls and military systems. Company headquarters are located at 5555 NE Moore Court, Hillsboro, Oregon 97124 USA; Telephone 503-268-8000, FAX 503-268-8037. For more information on Lattice Semiconductor Corporation, access our World Wide Web site at http://www.latticesemi.com.

About Eureka Technology
Eureka Technology, Inc. is a leading intellectual property (IP) provider for PLD and ASIC designers. The company offers a wide range of silicon proven system core logic functions and peripheral functions to support different CPU and bus standards including PowerPC, ARM, MIPS, ARC and SH2/3/4, PCI, Cardbus, DDR SDRAM, CompactFlash and PCMCIA. These IP cores are designed to improve the design time-to-market delay, eliminate design risks, and reduce development costs for SoC designs. In addition to provide individual silicon proven IP cores, Eureka Technology is also specialized in integration and customization of IP cores for SoC design according to customer specification.

Since it was founded in 1993, Eureka Technology has been dedicated to the engineering development of integrated circuit design. The company focuses exclusively on IP development, integration and customization for various applications. The company is located in Los Altos at the heart of Silicon Valley. Eureka Technology is one of the first few companies to develop IP cores for PLD and ASIC designs. It has licensed hundreds of IP cores to its customers successfully. The company is specially honored by many of our customers who return to us for more IP products after their initial successes. Eureka Technology, Inc. headquarters are located at: 4962 El Camino Real, Suite #108, Los Altos, CA 94022 USA; Telephone 1-650-960-3800, FAX: 1-650-960-3805. For more information on Eureka Technology, please see the World Wide Web site at http://www.eurekatech.com.

Statements in this news release looking forward in time are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Investors are cautioned that forward- looking statements involve risks and uncertainties including market acceptance and demand for our new products, our dependencies on our silicon wafer suppliers, the impact of competitive products and pricing, technological and product development risks and other risk factors detailed in the Company's Securities and Exchange Commission filings. Actual results may differ materially from forward- looking statements.

Lattice Semiconductor Corporation, Lattice (& design), L (& design), in-system programmable, ISP, ispLeverCORE, ispXP, ispXPGA and ORCA are either registered trademarks or trademarks of Lattice Semiconductor Corporation or its subsidiaries in the United States and/or other countries.

GENERAL NOTICE: Other product names used in this publication are for identification purposes only and may be trademarks of their respective holders.