Dongbu HiTek Adopts Legend Design Technology's Memory Characterization Tools for Quality Timing and Power Models

SANTA CLARA, Calif.—(BUSINESS WIRE)—May 8, 2007— Legend Design Technology, Inc. today announced that Dongbu HiTek has adopted CharFlo-Memory! and MSIM circuit simulator to re-characterize on-chip memory instance models for optimum performance and silicon yields. Based upon layout-extracted circuit data with resistors and capacitors, Legend's CharFlo-Memory! toolset is able to generate accurate memory instance models of vendors' memory compilers at any PVT (process, voltage and temperature) corner. Dongbu HiTek chose Legend's CharFlo-Memory! as their standard memory characterization solution for quality timing and power models.

"In today's SoC designs, we find that embedded memory has occupied large amounts of chip area and becomes increasingly critical for the silicon success. The accuracy of memory models is essential to achieve high-performance and high-yields of SoC designs.

Dongbu HiTek uses Legend's memory characterization toolset, CharFlo-Memory!, to produce on-chip instance models of vendors' memory compilers. It allows us to obtain accurate .LIB models at any customized PVT corners. In addition, using Legend's high-accuracy MSIM circuit simulator has enabled us to drastically increase our throughputs with accurate results during the characterization process," said Dr. Taeksoo Kim, Executive VP at Dongbu HiTek.

Using CharFlo-Memory! can prevent the reliability issues such as 'glitch' and 'meta-stability' due to incorrect setup and hold time modeling. Especially, the input of sense-amplifier in read cycle may be smaller than 'noise margin' (e.g. 100mv.), which will cause the false data outputs. This problem is normally due to the PVT variations and overdrive high frequency in low-power and high-speed designs. The CharFlo-Memory! can automatically validate the input of sense-amplifier against the noise margin to improve the design yields.

"Quality of embedded memory models is essential for the silicon success of deep-submicron and nanometer SoC designs," said Dr. You-Pang Wei, president and chief executive officer of Legend Design Technology. "With the adoption of Legend's Charflo-Memory!, Dongbu HiTek has acquired the premier solution for memory re-characterization and verification at any PVT. We're pleased to be working closely with Dongbu HiTek in meeting their needs for state-of-the-art SoC designs."

About Legend Design Technology, Inc.

Legend Design Technology, Inc. is a leading provider of characterization and simulation software for SoC designs. With an emphasis on productivity and value, Legend's CharFlo-Memory! tool set revolutionizes the time consuming and error prone processes associated with memory characterization. The tool set consisting of MSL, SpiceCut and MemChar provides the benefits of accuracy, throughput and automation. MSIM is Legend's high-accuracy SPICE circuit simulator with great convergence and extensive model support. Turbo-MSIM is Legend's high-speed and high-capacity circuit simulator ideal for timing and power simulation, and function verification. Both simulators are well designed for nanometer technology challenges, and provide excellent price-performance. For more information, visit

About Dongbu HiTek

Dongbu HiTek Co., Ltd. emerged from the synergistic fusion of Dongbu Hannong Chemicals and Dongbu Electronics in 2007. With a lineage of technology innovation spanning more than half a century, Dongbu HiTek is structured to maintain a strong customer focus and global competitiveness across its three major businesses, namely: Agriculture encompassing products and technical services related to the eco-friendly growth and care of crops and livestock as well as to bio medical supplies, healthful/functional food and agricultural distribution; Materials spanning petrochemicals, metals and global trading as well as high-tech nanotechnology materials for semiconductors, electronic displays; Semiconductor focusing on advanced wafer foundry processing for specialty devices such as CMOS Image Sensors as well as System-on-Chip (SoC) solutions for mobile handset and display markets. Committed to improving the quality of life through the use of advanced technologies, Dongbu HiTek is well positioned to deliver best-in-class products and services to the bio and semiconductor industries. For more information, visit


Legend Design Technology, Inc.
Jane Wei, 408-748-8888 x 234

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