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SMIC deploys full set of ESD protection device

Posted: 21 Apr 2014  Print Version  Bookmark and Share

Keywords:ESD  protection device  SMIC 

Semiconductor Manufacturing International Corporation (SMIC) has unveiled a full set of electrostatic discharge (ESD) protection device including documents, checklists, Mentor Graphics' Calibre PERC suite, floor plan review, and risk management services—to address ESD problems and implement whole chip ESD design.

Along with the rapid progress of semiconductor manufacturing process technologies, ESD has become a more serious and challenging problem when the dimension of device shrinks to sub-65nm. Just depending on I/O design is not sufficient for ESD protection design, especially in the interface of different power domain circuits. The designers become more concerned about the ESD problem since the gate oxide becomes more easily damaged as the dimension are reduced. Therefore, the conception of whole chip ESD design should be recognised.

The solution provides three lines of defence designated on ESD protection: first, a whole set of documents and checklists, which customers must follow during design stage to plan their chip level ESD protection in different process technologies at SMIC. Second, a Mentor Graphics Calibre PERC Suite is provided for ESD protection automatic check at chip level when taped out. Last but not least, SMIC provides ESD floor plan review and risk management services upon customers' requests. The floor plan review covers the IO application, placement/route and final GDS review for the customer who uses SMIC's IO library.

"Nowadays, good ESD protection is the result of collaborative effort from robust I/O design service by the foundry, full chip level ESD protection scheme by customers and conscientious IP level ESD protection by third party providers." said Dr. Tianshen Tang, senior vice president of SMIC's Design Service Center.

The protective device solution is said to be the product of years of SMIC's research in ESD. Tang explained: "Several years ago, SMIC had taken the lead in carrying out the comprehensive ESD research in the industry, and not only solved the technical problems with experts and suppliers, but also explored and practised the ESD protection design and test processes as well as business model with important clients. We accumulated a lot of successful experiences. In 2013, the pass rate of ESD floor plan review cases by SMIC exceeded 95 per cent. Based on the successful trial operation, SMIC officially announces the launch of overall ESD protection design services."





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