Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 20, 2010
Patent Application Number
11966451
Date Filed
December 28, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for programming an MLC flash memory device minimizes interference between adjacent cells during a program operation, such that threshold voltage distribution becomes narrow and uniform. According to the method, an auxiliary program operation is performed on memory cells to be programmed, such that a majority of the memory cells have a positive threshold voltage. An LSB of a particular memory cell is programmed to a predetermined level, and data of the programmed LSB is sensed. An MSB of the particular memory cell is programmed to a predetermined level according to the sensed data of the LSB.
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