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News Release

Lattice's Mixed-Signal Power Manager Family Wins Product of the Year Award

- Electronic Products Magazine Designates Lattice Device "Product of the Year" for 2003 -

HILLSBORO, OR - DECEMBER 15, 2003 - Lattice Semiconductor Corporation, (NASDAQ: LSCC), industry leading supplier of in-system programmable devices, today announced that its revolutionary ispPAC� Power Manager mixed-signal programmable products have received Electronic Products' "Product of the Year" award for 2003.

Product of the Year - Electronic Products"This award recognizes the inherent innovation and unique value of the Power Manager concept," said Stan Kopec, vice president of corporate marketing. "Most gratifying, customer design-in activity on these devices continues at a brisk pace foretelling the ultimate commercial success of these products in the market."

In addition to the Electronic Products award, Lattice's Power Manager devices have also claimed this year the "Electron d'Or" award given by the French electronics publication Electronique for the most innovative programmable semiconductor product concept.

Lattice's Power Manager devices provide a standard, off-the-shelf programmable mixed-signal solution for power management that enhances reliability and speeds time-to-market. Analog features such as input comparator thresholds and digital functions such as supply control sequences are programmed into non-volatile E2CMOS� elements on the devices using an IEEE1149.1 boundary scan protocol.

Product of the Year - Electron d'OrThe complexity of power supply management has increased dramatically in recent years as the number of voltages found on the typical PCB has risen sharply. Most system-level integrated circuits, whether processors, ASSPs, ASICs or FPGAs, have device-specific power supply sequencing and tracking requirements that make each PCB power supply management design unique. Traditional approaches, consisting of arcane collections of resistors, capacitors, discrete analog and logic functions are no longer practical solutions, and the Power Manager family is designed to handle these complex problems without the shortcomings of earlier approaches.

Applications for Power Manager devices span all types of electronic equipment, including telecom and networking systems, storage systems, servers, test equipment and automotive electronics. Their programmable features make them ideal for controlling multiple power supplies in conjunction with a wide range of regulator and switching technologies.

Power Manager Design Support in PAC-Designer Version 2.1
Power supply management designs can be implemented with these devices using Lattice's latest PAC-Designer software version 2.1. The PAC-Designer software is an intuitive schematic design entry and simulation tool. Complex sequencing and monitoring functionality can be efficiently designed through easy-to-use pull-down menus in PAC-Designer's LogiBuilder™ module. The latest version of the tool also features a new Supervisory Logic window entry mechanism to facilitate control output specification. Designs can be completely verified using the tool's built-in waveform simulator. Designs implemented using PAC-Designer are downloaded into the device through a serial ispDOWNLOAD� cable that connects to a PC's parallel port.

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 ISP™ 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.

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.

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Lattice Semiconductor Corporation, Lattice (& design), L (& design), in-system programmable, E2CMOS, ispPAC, PAC-Designer, ispDOWNLOAD, LogiBuilder, ISP and specific product designations 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.

For more information contact:

Stan Kopec, Vice President
Lattice Semiconductor Corporation
stan.kopec@latticesemi.com
(503) 268-8000