Integrated circuit, design method for the same, and memory stori

Details Integrated circuit, design method for the same, and memory stori Integrated circuit, design method for the same, and memory stori

1998-04-01

2000-05-02

Lintz, Paul R.

H01L 2170

Patent

active

06058257&

ABSTRACT:
In a semiconductor integrated circuit comprising: a logic circuit which performs prescribed logical operations; first power supply lines (fundamental power lines) which supply source power to the logic circuit; and second power supply lines which are provided, on the logic circuit, in a wiring level different from that for the first power supply lines and also which are interconnected with the first power supply lines through contact holes at the intersections therebetween, the number and the positions of the contact holes can be determined so as to minimize the voltage drop value at the logic circuit. As a result, the voltage drop can be relaxed, thus assuring stable operations of the circuit.

REFERENCES:
patent: 5404310 (1995-04-01), Mitsuhashi
patent: 5618744 (1997-04-01), Suzuki

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