US Patent 7904731 Integrated circuit that uses a dynamic characteristic of the circuit

Patent 7904731 was granted and assigned to Massachusetts Institute of Technology on March, 2011 by the United States Patent and Trademark Office.

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Current Assignee

Massachusetts Institute of Technology

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79047310

Patent Inventor Names

Srinivas Devadas0

Blaise Gassend0

Date of Patent

March 8, 2011

Patent Application Number

123618110

Date Filed

January 29, 2009

Patent Primary Examiner

‌

William R. Korzuch

Patent abstract

An integrated circuit has a first component that has a dynamic characteristic that varies among like integrated circuits, for example, among integrated circuits fabricated using the same lithography mask. Operating the first component produces an output that is dependent on the dynamic characteristic of the first component. A digital value associated with the integrated circuit is generated using the output of the first component, and then the generated digital value is used in operation of the integrated circuit.

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