Automatic wiring device for design of semiconductor integrated c

Details Automatic wiring device for design of semiconductor integrated c Automatic wiring device for design of semiconductor integrated c

1994-04-22

1996-01-09

Nelms, David C.

Static information storage and retrieval

Interconnection arrangements

364490, 364491, G06F 1560

Patent

active

054834813

ABSTRACT:
An automatic wiring device for deriving the shortest distance wiring route in a short time, in designing a semiconductor integrated circuit. First, based on the coordinate positions of respective signal terminals and the coordinate positions of respective channel wiring areas of respective lines, the X-coordinate positions of all of the partial wiring routes ay1, ay2 . . . , by1, by2 . . . , ayr2, byr2, ayr3, byr3 extending in the Y-direction are determined. Then, based on the positional relations among respective partial wiring routes extending in the Y-direction in respective interlinear wiring areas, the Y-coordinate positions of all of the partial wiring routes ax1-2-3, bx1-2-3, axr2-4-r3, bxr2-r3, axr3-5-6, bxr3-3-4 extending in the X-direction are determined. By these determinations, the wiring routes WA, WB for connecting the signal terminals of respective groups, in a network form, with the shortest distance, are determined.

REFERENCES:
patent: 4852015 (1989-07-01), Doyle, Jr.
patent: 5014242 (1991-05-01), Akimoto
patent: 5046017 (1991-09-01), Yuyama
patent: 5117277 (1992-05-01), Yuyama
patent: 5355322 (1994-10-01), Yamashita
patent: 5361214 (1994-11-01), Aoki

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