| 摘要 |
A method of programming a flash memory device includes programming a first memory cell coupled to an even bit line by applying a first program voltage to a word line, and verifying whether the first memory cell is programmed through a first verifying voltage. The first program voltage that is repeatedly increased by a step voltage when the first memory cell is not programmed. A second memory cell coupled to an odd bit line is programmed by applying the first program voltage to the word line. Whether the second memory cell is programmed is verified using a second verifying voltage that is higher than the first verifying voltage. The second memory cell is programmed using a program voltage that is repeatedly increased by the step voltage when the second memory cell is not programmed.
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