Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2005-10-11
2005-10-11
Siek, Vuthe (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C716S030000
Reexamination Certificate
active
06954919
ABSTRACT:
A semiconductor integrated circuit includes a variable region to be subjected to a layout modification in conjunction with a change of a circuit component within the variable region; and a fixed region that is free from the layout modification, and includes a circuit such as a CPU core and peripheral functional section whose signal transfer characteristics are known when the circuit is considered as a closed circuit. It can reduce the manpower required for the layout modification and characteristic verification and evaluation of the circuit involved in the layout modification.
REFERENCES:
patent: 5883814 (1999-03-01), Luk et al.
patent: 61-190969 (1986-08-01), None
patent: 2001-257266 (2001-09-01), None
Matsui Hideo
Ozaki Masaru
Burns Doane , Swecker, Mathis LLP
Dinh Paul
Renesas Technology Corporation
Siek Vuthe
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