| 摘要 |
A flash memory device comprises a memory cell array, an input buffer unit, an output driver unit, a first page buffer unit, a second page buffer unit, a first data I/O unit, and a second data I/O unit. The memory cell array includes two or more memory banks. During a data input or output operation of the flash memory device, the first data I/O unit and the second data I/O unit alternately operate with a predetermined time interval therebetween, and transmit input data to first and second page buffer units or output read data from first and second page buffer units to an external device.
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