Method of wiring for power supply to large-scale integrated circ

Details Method of wiring for power supply to large-scale integrated circ Method of wiring for power supply to large-scale integrated circ

1991-07-17

1992-09-08

Thomas, Tom

Fishing, trapping, and vermin destroying

437 48, 357 45, H01L 2170

Patent

active

051458004

ABSTRACT:
A method for wiring a power supply for a large-scale integrated circuit. The power supply wires define a power supply grid surrounding lattice openings with fixed longitudinal and transverse lattice dimensions. The wire width is determined based on the integrated circuit chip size, the number of function circuits to be on the integrated circuit, the electrical power requirements of the function circuits, and the fixed longitudinal and transverse lattice dimensions. Longitudinal and transverse locations of the power supply wires chips are determined based on the determined wire width and the fixed longitudinal and transverse dimensions of the lattice openings. Alternatively, the wire width may be fixed and the dimensions of the lattice openings determined based on the integrated circuit chip size, the number of function circuits, the electrical power requirements of the function circuits and that wire width. When the electrical power requirement of a function circuit is significantly larger than that of another function circuit, the wire width may be increased in the vicinity of the one function circuit. When the function circuits include a large-scale function block, a wire width around a region of the integrated circuit chip in which the large-scale block is to be disposed may be selected which results in a wire area equal to the wire area of the power supply wire that would occupy the particular region for usual function circuits.

REFERENCES:
patent: 4989062 (1991-01-01), Takahashi et al.

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