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Mentor Graphics Announces Support for Intel’s IBIS 4.1 AMS Signal Integrity Models

WILSONVILLE, Ore., February 7, 2006 - Mentor Graphics Corporation (Nasdaq: MENT), the market and technology leader in printed circuit board (PCB) design solutions, today announced the release of the ICX{reg} and ICX Pro™ Signal Integrity Design Kits for Intel's next generation I/O controller hub. This kit is the first to utilize Intel's new IBIS 4.1 and IEEE 1076.1 standard VHDL-AMS (http://www.eigroup.org/ibis/) models. These analog/mixed-signal (AMS) models have been developed by Intel for the I/O controller hub portion of their next generation chipset, codenamed "Broadwater." These AMS signal integrity (SI) models also provide significant speed and accuracy benefits over traditional SPICE and IBIS modeling techniques. And being wrapped in IBIS syntax, these new models are as easy to import and use as traditional IBIS models.

"Mentor Graphics is pleased to support these new IBIS 4.1 AMS models from Intel," said Henry Potts, vice president and general manager, Systems Design Division, Mentor Graphics. "We are committed to open industry standards, such as IBIS 4.1 and IEEE 1076.1 VHDL-AMS, and believe that they provide the flexibility and standardization required to cover modeling requirements now and into the future."

Traditional IBIS constructs cannot accurately model today's advanced I/O buffers. As a result, many designers and engineers of PCBs performing SI analysis are forced to use complex transistor-level SPICE models. These models run slowly, often suffer convergence problems, and are typically distributed in a proprietary format. On the other hand, the IBIS 4.1 AMS models offer the benefit of superior performance and improved accuracy, with no convergence issues, in an IEEE standard format.

"Intel is pleased to support the new IBIS 4.1 standard for signal integrity modeling by providing IBIS 4.1 AMS models," stated Greg Crain, application engineering director of Intel's Business Client Group. "We are confident our customers will find the increased speed, accuracy, and flexibility of the IBIS 4.1 AMS models to be a significant benefit in their high-speed PCB design process."

The Mentor ICX and ICX Pro kits for Intel's next generation I/O controller hub includes a complete IBIS model for the I/O controller hub, including AMS models for the PCI Express, Serial ATA and USB2 interfaces, as well as IBIS-formatted S-parameter models for the package pins and connectors, and traditional IBIS models for the other lower-speed interfaces. The ICX kit also includes a custom menu for configuring device and test conditions, and a complete reference design layout for Intel's next generation chipset imported into the tool ready for SI analysis. The next generation I/O controller hub high-speed receiver models also include a novel application of AMS which measures and plots eye-opening values in real-time while the simulation is in progress.

The ICX and ICX Pro design kits is are available through Mentor and its local sales force. Customers can contact Mentor Graphics Corporation at designkit_info@mentor.com for more information. The Intel IBIS models and reference designs are available through Intel. Customers can contact their local Intel sales office for more information.

About ICX and ICX Pro
Mentor Graphics' ICX solution combines the electrical and physical aspects of a design, providing an integrated design and verification environment for signal integrity and timing analysis during layout. This environment uses true electrical rules to drive the placement and routing, as well as verification, of high-speed boards, ensuring electrically-correct designs the first time. ICX Pro Explorer provides a schematic-based what-if signal integrity environment, with extensive capabilities for pre-layout simulation, including sweeps. Both solutions are built using the ICX simulation technology. Through its support of IBIS 4.1, this simulation environment provides the ability to mix and match models of various formats (IBIS, SPICE, AMS). This gives designers and engineers the ultimate flexibility in terms of model support.

About Mentor Graphics
Mentor Graphics Corporation (Nasdaq: MENT) is a world leader in electronic hardware and software design solutions, providing products, consulting services and award-winning support for the world's most successful electronics and semiconductor companies. Established in 1981, the company reported revenues over the last 12 months of about $700 million and employs approximately 4,000 people worldwide. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777; Silicon Valley headquarters are located at 1001 Ridder Park Drive, San Jose, California 95131-2314. World Wide Web site: http://www.mentor.com/.

Mentor Graphics and ICX are registered trademarks and ICX Pro is a trademark of Mentor Graphics Corporation. Intel is a trademark or registered trademark of Intel Corporation or its subsidiaries in the United States and other countries. All other company or product names are the registered trademarks or trademarks of their respective owners.

For more information, please contact:

Debra Layton
Mentor Graphics
720.494.1043
debra_layton@mentor.com

Suzanne Graham
Mentor Graphics
503.685.7789
suzanne_graham@mentor.com