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News Release

Lattice Semiconductor Announces Design Tool Support for Revolutionary ispPAC Power Manager Device Family

- Intuitive Design & Verification Environment Greatly Reduces Circuit Board Power Supply Management Design Time -

HILLSBORO, OR � February 10, 2003 - Lattice Semiconductor Corporation (NASDAQ: LSCC), the worlds largest supplier of in-system programmable devices, today announced the availability of its PAC-DesignerVersion 2.0 software supporting the recently announced ispPAC Power Manager series of devices. New features added to this version, including the LogiBuilder™ design entry and Waveform Simulator modules, greatly simplify the implementation of power supply management functions on a printed circuit board when using the ispPAC Power1208 and ispPAC Power604 mixed-signal power management devices.

PAC-Designer's new LogiBuilder feature enables the design engineer to completely define the circuit board's power management requirements (power supply sequencing, monitoring, and generation of supervisory signals) using 5 basic intuitive point-and-click instructions. The resulting easy-to-understand program is then compiled for the CPLD section of the ispPAC device. Design engineers can then quickly verify the LogiBuilder program using the digital Waveform Simulator. In-system programming of the ispPAC device via its boundary scan port is supported to complete the concept-to-silicon cycle quickly and efficiently.

The hierarchical GUI of the PAC-Designer provides pull-down menus in the analog interfacing section that control power supply monitoring functions as well as the turn-on ramp-rate of the power FET output drivers. The software allows the user to specify analog input thresholds from 1V to 5.75V for each of the ispPAC device's analog inputs by selecting one of 192 levels from a pull down menu. Similarly, the analog FET driver outputs can have their maximum output voltage (from 8V to 12V) and gate charging ramp rate specified from another menu.

"Lattice continues to bring the best programmable solutions to the market," said Stan Kopec, vice president of corporate marketing for Lattice. "For the first time, complex power management challenges precipitated by modern multi-voltage components can be addressed easily in software and silicon with confidence. The flexibility provided by the integration and programmability of the ispPAC devices supports an easy-to-use, standard approach for the design of power management functions for any printed circuit board or system."

Lattice's ispPAC Power Manager devices, the industry's first mixed-signal programmable logic devices (PLDs), were introduced in January, 2003. Featuring in-system programmable analog and logic blocks, the new devices provide optimized power supply management functions critical to the operation of today's multiple power supply electronic systems and provide unique programmable control solutions within the $12 Billion power semiconductor market. Through a combination of programmable logic, voltage comparators, references, and high voltage FET drivers, the devices support single-chip programmable power supply sequencing and monitoring.

Availability
Lattice's PAC-Designer Version 2.0 software for the PC is available for download from the Lattice website at www.latticesemi.com. In addition to supporting the newest Power1208 and Power604 devices, it also supports Lattice's five other production ispPAC devices. Users can get a free 6 month license for PAC-Designer evaluation.

About Lattice Semiconductor
Oregon-based Lattice Semiconductor Corporation designs, develops and markets the broadest range of high-performance ISP™ programmable logic devices (PLDs), Field Programmable Gate Arrays (FPGAs) and Field Programmable System-on-a-Chip (FPSC) devices. 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 communications, 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 technological and product development risks, market acceptance and demand for our new products, our dependencies on silicon wafer suppliers, the impact of competitive products and pricing, 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), in-system programmable, ispPAC, PAC-Designer, LogiBuilder and ISP 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:

Sean Hildenbrand
Public Relations
Lattice Semiconductor Corporation
sean.hildenbrand@latticesemi.com
(503) 268-8680