The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 17, 2002

Filed:

Sep. 20, 1999
Applicant:
Inventors:

Lukas P. P. P. van Ginneken, San Jose, CA (US);

Raymond X. T. Nijssen, San Jose, CA (US);

Premal Buch, Daly City, CA (US);

Assignee:

Magma Design Automation, Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/750 ;
U.S. Cl.
CPC ...
G06F 1/750 ;
Abstract

Methods and apparatuses for automated design of parallel drive standard cells are disclosed. The capacitive load to be driven by a particular output of a standard cell is determined. The driving capacity of the output is also determined. Based on the capacitive load to be driven and the driving capacity, a number of standard cells to be used is determined. The multiple standard cells are coupled in parallel having the respective outputs coupled to the capacitive load to be driven. In one embodiment, the standard cells coupled is parallel are placed such that the connection between the respective outputs and the load are substantially equal.


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