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:
Mar. 06, 2012
Filed:
Dec. 18, 2008
Chun-yi Tu, Hsinchu, TW;
Te-chang Tseng, Jhubei, TW;
Hideki Arakawa, Yokohama, JP;
Takeshi Nakayama, Sanda, JP;
Chun-Yi Tu, Hsinchu, TW;
Te-Chang Tseng, Jhubei, TW;
Hideki Arakawa, Yokohama, JP;
Takeshi Nakayama, Sanda, JP;
Powerchip Technology Corporation, Hsinchu, TW;
Abstract
A memory device is provided. The memory device includes a memory array formed by a plurality of multi level cells, a determining circuit and a data reading circuit. The memory array includes a plurality of page units, each including a main data and an auxiliary data corresponding to the main data, wherein the auxiliary data includes a plurality of flag bits. The determining circuit generates a determination bit according to the flag bits. The data reading circuit obtains information corresponding to the main data according to the determination bit.