Renesas Signs Off with Cadence SignalStorm NDC for 90nm Flow

10/22/2003 - Cadence Design Systems, Inc. announced that Renesas Technology Corporation, a semiconductor joint venture between Hitachi, Ltd. and Mitsubishi Electric Corporation, has standardized on Cadence® SignalStorm® NDC as the sign-off delay calculator for Renesas' 90 nanometer design flow.

"We evaluated SignalStorm NDC using a 10 million-gate SoC design," said Hisaharu Miwa, department manager of EDA Technology Development Dept., Design Technology Div., LSI Product Technology Unit of Renesas Technology Corp. "SignalStorm NDC allowed us to complete timing signoff 3X faster than the current sign-off delay calculation tool at Renesas. SignalStorm NDC's combination of speed, capacity and accuracy enabled us to get to tapeout faster, a key factor in winning in this competitive market."

SignalStorm NDC, the delay calculation engine of the Cadence EncounterTM digital IC design platform, represents a new generation of delay calculation targeted at addressing the tough challenges represented by large nanometer designs. These challenges include accurate modeling of complex RC interconnects, parallel drivers and IR drop effects on delay. Renesas' benchmark studies verified that SignalStorm NDC matched SPICE accuracy typically within 3 percent, with all cases within 5 percent, using the ECSM library.

"Delay calculation consumes much of the time spent to achieve timing sign-off: The larger the design, the more time spent. At nanometer geometries, the problem is even worse because precision modeling of silicon behavior is more critical than ever. Companies doing big, fast chips recognize the need for the new generation of delay calculation that Cadence offers," said Wei-Jin Dai, vice president of Digital IC at Cadence. "We're very pleased that Renesas has chosen our technology for its designs."

About Cadence Design Systems
Cadence is the world's leader in electronic design technologies, methodology services, and design services. Cadence solutions are used to accelerate and manage the design of semiconductors, computer systems, networking and telecommunications equipment, consumer electronics, and a variety of other electronics-based products. With approximately 5,000 employees and 2002 revenues of approximately $1.3 billion, Cadence has sales offices, design centers, and research facilities around the world. The company is headquartered in San Jose, Calif., and traded on the New York Stock Exchange under the symbol CDN. More information about the company, its products and services is available at

About Renesas Technology
Renesas Technology Corp. designs and manufactures highly integrated semiconductor system solutions for mobile, networking, automotive, industrial and digital home electronics markets. Established on April 1, 2003 as a joint venture between Hitachi, Ltd. (TSE:6501, NYSE:HIT) and Mitsubishi Electric Corporation (TSE: 6503) and headquartered in Tokyo, Japan, Renesas Technology is one of the largest semiconductor companies in the world and the number one microcontroller supplier globally. Besides microcontrollers, Renesas Technology offers system-on-chip devices, Smart Card ICs, mixed-signal products, flash memories, SRAMs and more.

Cadence, the Cadence logo and SignalStorm are registered trademarks, and Encounter is a trademark of Cadence Design Systems, Inc. in the U.S. and other countries.

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