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:
Sep. 12, 2017
Filed:
Apr. 22, 2015
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Chang-Kyu Seol, Osan-si, KR;
Seong-Hyeog Choi, Hwaseong-si, KR;
Jun-Jin Kong, Yongin-si, KR;
Hong-Rak Son, Anyang-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, Gyeonggi-Do, KR;
Abstract
Provided are a flash memory device, a flash memory system, and methods of operating the same. A method of operating a flash memory system includes selecting memory cells of a flash memory in response to an authentication challenge, programming pieces of input data into the selected memory cells, respectively, reading the selected memory cells and generating and storing control information, dividing the selected memory cells into at least one first region memory cell and at least one second region memory cell based on the control information, and setting read values of the at least one first region memory cell and the at least one second region memory cell as a first value and a second value, respectively, and generating an authentication response in the response to the authentication challenge.