Circuit design device and circuit design program

Details Circuit design device and circuit design program Circuit design device and circuit design program

2006-06-29

2009-08-04

Lin, Sun J (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

07571409

ABSTRACT:
A placement and routing processing unit performs placement and routing processing on a customer circuit based on design data. An embedded circuit generation processing unit refers to a library including embedded circuit information, grasps physical positional relationships among elements such as terminals and wires, and checks whether the elements are short-circuited to each other or not. The library including embedded circuit information records a result of placement and routing output by the placement and routing processing unit, attribute information on a test circuit to be embedded into the customer circuit or terminal information and wire position information, and the like on the test circuit. The elements that are short-circuited to each other are incorporated into a netlist to be generated, as the elements constituting one net. The embedded circuit generation processing unit generates a netlist in which the test circuit is incorporated into the customer circuit and outputs the netlist as design data including design data on embedded circuit.

REFERENCES:
patent: 5056094 (1991-10-01), Whetsel
patent: 6081916 (2000-06-01), Whetsel, Jr.
patent: 6678875 (2004-01-01), Pajak et al.
patent: 10-144796 (1998-05-01), None
patent: 2001-084280 (2001-03-01), None

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