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. 02, 2025

Filed:

Oct. 11, 2022
Applicant:

Analog Devices International Unlimited Company, Limerick, IE;

Inventors:

Jonathan Ephraim David Hurwitz, Edinburgh, GB;

Jose Bernardo Din, Biclatan, PH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H02M 1/00 (2006.01); H02M 3/135 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); H02M 1/0006 (2021.05); H02M 3/135 (2013.01); H04L 2209/12 (2013.01);
Abstract

A Physical Unclonable Function, PUF, apparatus is disclosed. The apparatus comprises a plurality of PUF cells that each comprise a first potential divider and a second potential divider. The apparatus also comprises a determination unit that comprises a selection unit for selecting at least one of the plurality of PUF cells, and a readout unit coupled to each selected PUF cell. The readout unit is configured to determine a PUF value for the selected PUF cell based on a difference between a first analog voltage at the first potential divider and a second analog voltage at the second potential divider.


Find Patent Forward Citations

Loading…