| 摘要 |
A page buffer in a non-volatile memory device for performing a program operation for a multi level cell having m bits includes first register to mth registers, a first data transmitting circuit configured to transmit data stored in a first node or a second node of the first register to a sensing node in accordance with a first data transmitting signal or a second data transmitting signal, and (m-1) sensing node discharging circuits configured to couple the sensing node to ground in accordance with data stored in a first node or a second node of each of the second to mth registers, and a first sensing node discharge signal or a second sensing node discharge signal.
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