Method of arranging logic circuit devices on logic circuit board

Details Method of arranging logic circuit devices on logic circuit board Method of arranging logic circuit devices on logic circuit board

1984-02-08

1987-01-13

Wise, Edward J.

Boots, shoes, and leggings

364300, G06F 1546

Patent

active

046369660

ABSTRACT:
In the fabrication of an electronic circuit such as an integrated circuit, a method of determining the arrangement of logic circuit devices on a circuit board on the basis of a logic data defining the logic circuit devices and the interconnections among them. The logic circuit devices are classified in groups in accordance with a degree that each signal line connected with the logic circuit devices requires the expedition of signal propagation therethrough. First, the logic circuit devices belonging to the group pertinent to the highest degree are arranged, and next those belonging to the group pertinent to the second highest degree are arranged. Such a processing is carried out for all the groups.

REFERENCES:
patent: 3654615 (1972-04-01), Freitag
patent: 3681782 (1972-08-01), Scanlon
patent: 4263651 (1981-04-01), Donath et al.
patent: 4377849 (1983-03-01), Finger et al.
patent: 4495559 (1985-01-01), Gelatt, Jr. et al.

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