Layout database for a computer aided design system

Details Layout database for a computer aided design system Layout database for a computer aided design system

1997-03-31

2000-08-08

Lintz, Paul R.

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

716 10, 716 9, G06F 1750

Patent

active

060995815

ABSTRACT:
In a computer aided design system, a method of performing a layout process of an integrated circuit uses predetermined logic design and predetermined connection data. The connection data is changeable by an operator. The method includes the steps of generating new layout data using new connection data when the connection data is changed by the operator, replacing the layout data stored in the database with the new layout data, extracting parasitic elements from the new layout data to generate new parasitic element data; replacing the parasitic element data stored in the database with the new parasitic element data, computing signal delay times of the new parasitic elements to generate new delay time data; replacing the delay time data stored in the database with the new delay time data; and repeating above steps each time the connection data is changed by the operator.

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