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.
Patent No.:
Date of Patent:
Mar. 15, 2022
Filed:
Jul. 31, 2019
Applicant:
Nxp Usa, Inc., Austin, TX (US);
Inventors:
Glenn Charles Abeln, Buda, TX (US);
Nihaar N. Mahatme, Austin, TX (US);
Assignee:
NXP USA, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01); H04L 9/32 (2006.01); G11C 11/412 (2006.01); G06F 1/00 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); G11C 11/412 (2013.01);
Abstract
A plurality of memory cells, in which each memory cell includes two corresponding supply terminal inputs, is powered up while applying a voltage differential between the corresponding supply terminal inputs for each of the plurality of memory cells. After powering up, the plurality of memory cells is read and a physically unclonable function (PUF) response is generated from data of the reading.