| 摘要 |
An operating method of a semiconductor device includes precharging bit lines corresponding to selected memory cells, supplying a first verify voltage to a word line coupled to the selected memory cells and outputting programming states of the selected memory cells to the bit lines during a first time period, sensing potentials of the bit lines that have the programming states of the selected memory cells outputted to the bit lines during the first time period, supplying a first target voltage higher than the first verify voltage to the word line and outputting programming states of the selected memory cells to the bit lines during a second time period shorter than the first time period, and sensing potentials of the bit lines that have the programming states of the selected memory cells outputted to the bit lines during the second time period.
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