Integrated circuit having predetermined outer to inner cell pitc

Details Integrated circuit having predetermined outer to inner cell pitc Integrated circuit having predetermined outer to inner cell pitc

1982-08-25

1985-06-11

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307279, 174 685, 364490, 357 45, H03K 326, H03K 100, H01J 3728

Patent

active

045231060

ABSTRACT:
An integrated circuit device such as a gate array or a master slice LSI device which is formed on a semiconductor chip and which comprises an inner cell array including a plurality of inner cells, an outer cell array including a plurality of outer cells formed around the inner cell array, a power supply portion having one or more outer power supply lines, and a plurality of inner power supply lines connected to the outer power supply lines and formed on the inner cell array. The ratio of the pitch length of the outer cells to the pitch length of the inner power supply lines or the inner cells is determined by the ratio of two integers. In the integrated circuit device, at least one set of an outer cell, and an inner cell which are arranged in a predetermined positional relation, is formed a plurality of times along a side of the semiconductor chip.

REFERENCES:
patent: 4225672 (1981-03-01), Ohno et al.
patent: 4377849 (1983-03-01), Finger
patent: 4458297 (1984-07-01), Stopper

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