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Synopsys and TSMC Deliver Accurate Lithography Verification for 28nm Designs
Encapsulated Access to Foundry Data and Tool Chain Accelerates Time to Market and Improves Yields
"TSMC is laying the groundwork for 28-nm process technologies and below with the industry's first Unified DFM (UDFM) framework and LPC engine, which is destined to become an important consideration," said ST Juang, senior director of Design Infrastructure Marketing at TSMC. "At those nodes, it will be exceedingly difficult for design tools to accurately assess lithography issues without access to an exact copy of our tool chain and process models. TSMC UDFM's 'copy exact' approach will not only provide actual lithography hotspot data to designers, but will also open the door for all EDA vendors by enabling encapsulated access to a large part of our manufacturing data."
Currently, the only way for design tools to access proprietary foundry data is through abstracted models, which by necessity lose information in the translation process. This can lead to overly aggressive checking during design, wasting chip area and design time to correct false errors. In comparison, using the new approach based on the encapsulated LPC engine, TSMC can provide EDA DFM tools access to the TSMC Unified DFM Design Kit (DDK) that includes an exact copy of the tool chain and process models used in the factory. In the case of Synopsys, this allows PrimeYield LCC and ICC to create a comprehensive DFM solution. PrimeYield LCC can be invoked within Synopsys' IC Compiler place-and-route system to identify lithography hot spots with factory accuracy and offer fix guidance for IC Compiler to auto-fix the hotspot.
"With UDFM and a LPC engine, Synopsys and TSMC enable designers to perform more accurate lithography analysis. With copy-exact accuracy, designers can be confident that they are neither sacrificing chip area, nor wasting time in fixing false hotspots," said Saleem Haider, senior director of marketing for physical design and DFM at Synopsys. "Together with TSMC, we are confident that the EDA community will benefit from this open approach, and we look forward to their participation in this Unified DFM framework."
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