发明授权
- 专利标题： Cell library database and design aiding system
- 专利标题（中）： 细胞库数据库和设计辅助系统
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申请号： US09550352申请日： 2000-04-14
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公开(公告)号： US06490715B1公开(公告)日： 2002-12-03
- 发明人: Toshiyuki Moriwaki , Shiro Sakiyama , Hiroo Yamamoto , Jun Kajiwara , Masayoshi Kinoshita
- 申请人： Toshiyuki Moriwaki , Shiro Sakiyama , Hiroo Yamamoto , Jun Kajiwara , Masayoshi Kinoshita
- 优先权： JP11-109785 19990416
- 主分类号： G06F1750
- IPC分类号： G06F1750
摘要：
A cell library database includes function information of standard cells which are basic circuits forming a logical device, each of the standard cell comprising at least one of power supply terminal as logical terminals, the function information of the standard cell containing logical information or delay information of the power supply terminal relative to an output terminal, or function information of macro cells which are functional circuits forming a logical device, each of the macro cell comprising at least one of power supply terminals as logical terminals, the function information of the macro cell containing logical information or delay information of said power supply terminals relative to an output terminal. A design aiding system uses the cell library database to execute logical simulation, etc.
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