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:
Jan. 05, 2010
Filed:
Jul. 17, 2007
Yung-feng Lin, Taoyuan County, TW;
Nian-kai Zous, Taoyuan County, TW;
I-jen Huang, Kaohsiung, TW;
Yin-jen Chen, Taipei County, TW;
Yung-Feng Lin, Taoyuan County, TW;
Nian-Kai Zous, Taoyuan County, TW;
I-Jen Huang, Kaohsiung, TW;
Yin-Jen Chen, Taipei County, TW;
Macronix International Co., Ltd., Hsinchu, TW;
Abstract
A multi-bit flash memory and a reading method thereof. Multiple reference memory cells for saving reserved data are provided to operate together with multiple data memory cells. Before the data memory cells are read, data stored in the reference memory cell is sensed based on a present reference current. Then, a value of a new reference current for reading the data memory cells is determined according to a difference between the sensed data and the reserved data.