Synopsys Inc. has announced the results of a collaboration with TSMC (Taiwan Semiconductor Manufacturing Co. Ltd) under TSMC's Unified Design-for-Manufacturing (UDFM) architecture effort. This collaboration enables designers to improve yields and accelerate time to market through more accurate lithography simulation at 28nm and below. Through this joint effort, designers will now have access to the same technology that is in production at TSMC. The solution offers a 28nm lithography process checking (LPC) engine, which includes Synopsys Proteus mask synthesis technology and TSMC process models. Using an interoperable applications programming interface (API), EDA design tools can now interface with the LPC engine to accurately predict lithography hotspots in a given design before handing-off the designs to manufacturing.
TSMC is laying the groundwork for 28nm process technologies and below with the Unified DFM (UDFM) framework and LPC engine. According to TSMC, it will be exceedingly difficult for design tools at those nodes 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.
Synopsys
TSMC
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