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:
Apr. 02, 1996

Filed:

Oct. 28, 1993
Applicant:
Inventors:

Binay J George, Chandler, AZ (US);

Markus G Wloka, Chandler, AZ (US);

Sean C Tyler, Chandler, AZ (US);

Assignee:

Motorola, Inc., Schaumburg, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
36451412 ; 364578 ;
Abstract

A method executed by a computer simulator measures energy dissipation in a cell having one or more outputs. A first series of simulations is performed with given cell parameters over a simulation period while varying capacitance on a first output of the cell for providing a first range of currents sunk by the cell. A second series of simulations provides a second range of currents by varying capacitance on a second output. The first and second ranges of currents are converted to first and second ranges of energy dissipations. The energy dissipation due to the charging rates is subtracted from energy dissipation due to the switching for providing a model of energy dissipation by the cell itself. A nominal point of the first range of energy dissipation may be subtracted from each point of the second range of energy dissipation for providing an offset range of energy dissipations.


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