Automatic routing method for inter-functional cells

Details Automatic routing method for inter-functional cells Automatic routing method for inter-functional cells

1996-01-30

1998-07-28

Trans, Vincent N.

Boots, shoes, and leggings

364489, 364488, G06F 1750

Patent

active

057870136

ABSTRACT:
In a semiconductor integrated circuit including a plurality of functional cells, it is determined whether or not each of the functional cells includes terminals to be electrically connected to each other. If a functional cell includes one of such terminals, a preset routing prohibiting area is set in the functional cell. If a functional cell does not include any of such terminals, a routing prohibiting area is set in the entirety of the functional cell. Then, routing between the terminals is carried out in accordance with the routing prohibiting areas.

REFERENCES:
patent: 4855929 (1989-08-01), Nakajima
patent: 5224057 (1993-06-01), Igarashi et al.
patent: 5475611 (1995-12-01), Nagase et al.

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