Method for manufacturing a custom-circuit LSI, and a gate array

Details Method for manufacturing a custom-circuit LSI, and a gate array Method for manufacturing a custom-circuit LSI, and a gate array

1983-12-23

1986-07-15

Wise, Edward J.

Boots, shoes, and leggings

307303, 364300, G06F 1546

Patent

active

046009957

ABSTRACT:
A gate array is used as the base component of a custom-circuit LSI. A number of logic cells are arranged in the form of a matrix in the first area of the gate array. These logic cells are interconnected by a metal pattern or patterns to build a custom-circuit. Driver cells for energizing the output and input signals of the custom-circuit are formed in the second area of the gate array. Bonding pads, which will be used as the input/output terminals of the custom-circuit, are formed in the third area of the gate array.

REFERENCES:
patent: 3968478 (1976-07-01), Mensch, Jr.
patent: 4377849 (1983-03-01), Finger et al.
patent: 4431928 (1984-02-01), Skokan
Joseph D. Greenfield, "Practical Digital Design Using IC's," pp. 132-142, 483-484, 1977.
Stephen Trimberger, "Automating Chip Layout," IEEE 1982, Spectrum, vol. 19, No. 6.

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