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. 12, 2016
Filed:
Nov. 06, 2014
Fidelix Co., Ltd., Seongnam-si, Gyeonggi-do, KR;
FIDELIX CO., LTD., Seongnam-Si, Gyeonggi-Do, KR;
Abstract
Provided is a flash memory device capable of efficiently performing a refresh operation. The flash memory device includes a normal memory array including a plurality of normal memory cells arranged in a matrix of word lines and bit lines, wherein the plurality of normal memory cells are divided into a plurality of memory blocks and are programmable and erasable; a refresh address generation unit configured to generate a refresh block address, wherein the refresh block address is sequentially increased in response to activation of a refresh driving signal; and a refresh driving unit driven to refresh a memory block specified by the refresh block address among the memory blocks of the normal memory array in a unit refresh frame, and generate the refresh driving signal. In the flash memory device, a refresh operation may be efficiently performed to fix a data disturbance.