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:
May. 31, 2011
Filed:
May. 06, 2009
Kyoung-wook Park, Gyeonggi-do, KR;
Kyoung-Wook Park, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A multi-level sensing apparatus of the non-volatile memory includes a first sense amplifier configured to compare a first reference voltage with a read data of a bit line and amplify a comparison result to generate a first output; a reference voltage selector configured to select one of a second reference voltage and a third reference voltage as a fourth reference voltage according to a logic level of the first output; a second sense amplifier configured to compare the fourth reference voltage with the read data of the bit line and amplify a comparison result to generate a second output; and a decoder configured to decode the first and second outputs to output a sensing data.
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