チップ試作とIPデータベースを導入したLSI設計教育

概要

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Recently, FPGA chips are sometimes used instead of fabricating LSI chips in the LSI design education. However the inside of FPGA chip is sometimes regarded as a black box and it is not connected to the knowledge of MOS FET and CMOS gate structures in the field of semiconductor processes. In Graduate School of Engineering, Hiroshima Institute of Technology, we have been teaching “Advanced System Development Technology of Integrated Circuits” as a coursework. Since 2009, we have introduced a prototype chip into the coursework where students draw layouts of half adder, full adder, and 2-bit adder in order to understand the relation between the areas of semiconductor processes and LSI design. The fabricated chip is verified by using logic analyzer. In addition to this, we have introduced an IP database into the coursework, where IP means circuit diagrams or circuits written in hardware description language which are already designed and verified. In order to refer the circuits written in a various descriptions such as VHDL, circuit diagram, etc., we collected those IP, constructed an IP database, and introduced into the coursework. By the questionnaire survey, the effectiveness of both prototype chip and IP database is verified.
2011-11-01