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:
Apr. 07, 2020
Filed:
Oct. 27, 2019
Shenzhen Weitongbo Technology Co., Ltd., Shenzhen, CN;
SHENZHEN WEITONGBO TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
A PUF device and a method of outputting a random sequence are disclosed. The PUF device includes: at least one processing unit and at least one PUF unit, and a first PUF unit of the at least one PUF unit includes a first MOS transistor and a second MOS transistor, two sources of the two MOS transistors are connected to a same input voltage; two gates of the two MOS transistors are floating; and two drains of the two MOS transistors are respectively connected with a first processing unit, and the first processing unit is configured to: output a first random value corresponding to the first PUF unit according to a difference between two results output by the two drains of the two MOS transistors, when the input voltage is greater than or equal to a preset voltage.