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:
Mar. 26, 2019

Filed:

Jan. 15, 2018
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Sang-wook Park, Hwaseong-si, KR;

Dae-hyeon Kim, Suwon-si, KR;

Mi-jung Noh, Yongin-si, KR;

Bohdan Karpinskyy, Suwon-si, KR;

Yong-ki Lee, Yongin-si, KR;

Yun-hyeok Choi, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/08 (2006.01); H03K 19/003 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); H03K 19/003 (2013.01); H04L 9/0866 (2013.01);
Abstract

A physical unclonable function (PUF) circuit and a PUF system including the same are provided. The PUF circuit includes a plurality of PUF cells each configured to generate an output voltage by dividing a power voltage, a reference voltage generator configured to generate a first reference voltage by dividing the power voltage, and a comparing unit configured to sequentially compare the output voltages of the plurality of PUF cells with the first reference voltage to output data values of the plurality of PUF cells.


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