Method and apparatus for designing a circuit by describing logic

Details Method and apparatus for designing a circuit by describing logic Method and apparatus for designing a circuit by describing logic

1995-07-31

2000-07-11

Lintz, Paul R.

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

716 2, 716 8, 716 11, 716 18, G06F 1750

Patent

active

06086625&

ABSTRACT:
A circuit design method and a circuit design apparatus of this invention allow a judgement from a broader view based on high-level design information inputted upon a logic design to determine a rough packaging design. A rough placement position of a function block cell, which can configure a circuit that is an object of the design, unit on a circuit is determined on the basis of abstract circuit information in an abstract level higher than that of packaging design basic cell obtained in a logic design. On the basis of the rough placement position and the abstract circuit information, the function block cell is two-dimensionally developed into the packaging design basic cell, and a packaging design of the circuit that is an object of the design is performed. The method and apparatus of this invention is applicable to a design of a circuit such as an LSI, a PWB, etc.

REFERENCES:
patent: 5224056 (1993-06-01), Chen et al.
patent: 5239465 (1993-08-01), Hatfori et al.
patent: 5416721 (1995-05-01), Nishiyama et al.
patent: 5426591 (1995-06-01), Ginetti et al.
patent: 5513124 (1996-04-01), Trimberger et al.
patent: 5530654 (1996-06-01), Takahashi
Kedem et al "Asic Design With Oasis," IEEE, pp. 2580-2583, 1990.
Hu et al "A Methodology For Design Verification," IEEE, pp. 236-239, Sep. 1994.

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