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:
Feb. 25, 2020
Filed:
May. 17, 2017
Applicant:
Winbond Electronics Corp., Taichung, TW;
Inventors:
Ming-Huei Shieh, San Jose, CA (US);
Chi-Shun Lin, San Jose, CA (US);
Assignee:
Winbond Electronics Corp., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 3/06 (2006.01); H04L 9/08 (2006.01); G09C 1/00 (2006.01); G06F 21/73 (2013.01);
U.S. Cl.
CPC ...
G06F 3/0679 (2013.01); G06F 21/73 (2013.01); G09C 1/00 (2013.01); H04L 9/0866 (2013.01);
Abstract
A PUF code providing apparatus includes a non-volatile memory cell pair and a data sensing circuit. The sensing circuit is coupled to the non-volatile memory cell pair, reads two initial statuses of the non-volatile memory cell pair and generates a PUF code by comparing the two initial statuses of the non-volatile memory cell pair.