| 摘要 |
A memory operating method includes the following steps. First, a memory including a charge storage structure is provided. Next, first type charges are injected into the charge storage structure such that a threshold level of the memory is higher than an erase level. Then, second type charges are injected into the charge storage structure such that the threshold level of the memory is lower than a predetermined bit level. Next, first type charges are injected into the charge storage structure such that the threshold level of the memory approximates to or is equal to the predetermined bit level.
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