Integrated circuit designing support apparatus and method...

Details Integrated circuit designing support apparatus and method... Integrated circuit designing support apparatus and method...

2007-06-19

2007-06-19

Chiang, Jack (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000, C716S030000

Reexamination Certificate

active

11001069

ABSTRACT:
An integrated circuit designing support apparatus includes a storage unit and a processing unit. The storage unit stores an RTL (Register Transfer Level) description with description of structurization for structurizing an RTL description model for an integrated circuit into modules, and a correspondence table which shows correspondence relation of each of output ports of a first module of the modules and a corresponding one of output ports of a second module of the modules. The processing unit structurizes the RTL description model into the modules, generates output port data indicating the output ports of each of the first and second modules, generates the correspondence table from the output port data to store in the storage unit, carries out a tracing operation on a signal route from each of the output ports of each of the first and second modules toward an input port side by using the correspondence table, and determines whether the first and second modules have an overlapping portion, based on the tracing operation results.

REFERENCES:
patent: 6135647 (2000-10-01), Balakrishnan et al.
patent: 6324678 (2001-11-01), Dangelo et al.
patent: 2002/0162086 (2002-10-01), Morgan
patent: 2005/0229143 (2005-10-01), Gehman et al.
patent: H09-204460 (1997-08-01), None
patent: H11-102386 (1999-04-01), None

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