Method of updating layout of circuit element

Details Method of updating layout of circuit element Method of updating layout of circuit element

1986-04-09

1989-02-14

Lall, Parshotam S.

Boots, shoes, and leggings

364490, 364489, 364488, G06F 1546, G06F 1562

Patent

active

048051136

ABSTRACT:
For the purpose of satisfying placement constraint prescribed by design rule data, a region to which a plurality of circuit elements appertain is displayed in such a way that this region is moved to such a position as to environ a part of the circuit elements and at the same time is superposed on a layout graph thereof. The placement of the circuit elements is updated such that some elements placed outside the foregoing region among all the circuit elements are made to enter this region.

REFERENCES:
patent: 3617714 (1971-11-01), Kernighan et al.
patent: 4577276 (1986-03-01), Dunlop et al.
patent: 4630219 (1986-12-01), DiGiacoma et al.
patent: 4636965 (1987-01-01), Smith et al.
patent: 4636966 (1987-01-01), Yamada et al.

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