Device for aid in integrated circuit design that reduces the num

Details Device for aid in integrated circuit design that reduces the num Device for aid in integrated circuit design that reduces the num

1994-02-15

1996-12-31

Teska, Kevin J.

Boots, shoes, and leggings

H01L 2170

Patent

active

055900500

ABSTRACT:
There is disclosed a device for aiding in designing a semiconductor integrated circuit wherein a circuit converter converts a circuit to be subjected to automatic placement and routing which is stored in a circuit storage into a new cell which is then registered in a cell library storage by a cell generator while the changed circuit is stored in an equivalent circuit storage in the form of an equivalent circuit, on the basis of which a circuit verifier stimulates a circuit operation. A placement and routing unit performs cell placement of the equivalent circuit and cell-to-cell routing by using the cell library storage storing the specification of the new cell, whereby the integrated circuit having good performances such as area, operating speed, and power consumption is designed without difficulty.

REFERENCES:
patent: 4377849 (1983-03-01), Finger et al.
patent: 4656603 (1987-04-01), Dunn
patent: 4701860 (1987-10-01), Mader
patent: 5231590 (1993-07-01), Kumar et al.
patent: 5377122 (1994-12-01), Werner et al.
patent: 5438524 (1995-08-01), Komoda
ACM/IEEE 18th Design Automation Conference Proceedings, 1981, Chiyoji Tanaka, et al., "An Integrated Computer Aided Design System For Gate Array Masterslices: Part 1. Logic Reorganization System Lores-2", pp. 59-65.
A Cell Placement Procedure that Utilizes Circuit Structure Properties, IEEE 1993.
Integrated Placement for Mixed Macro Cell and Standard Cell Designs, IEEE 1990.
Finding Optimal Module Orientations in Macro Cell Placement, IEEE 1991.

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