Abstract: A flash memory apparatus and an initialization method for programming operation thereof are provided. The initialization method includes: providing a plurality of increasing programming pulse voltages to operate a plurality of without program inhibit programming actions on memory cells of the flash memory, and operating a plurality of programming verification actions on the memory cells according to a programming verification voltage; obtaining a recorded programming voltage value according verified results of the programming verification actions; providing a plurality of increasing reading pulse voltages to operate a plurality of reading actions on the memory cells; obtaining a recorded reading voltage value according to read result of the reading actions; and obtaining an initial programming voltage and an incremental step programming pulse voltages according to the recorded programming voltage value, the recorded reading voltage value and a voltage value of the programming verification voltage.

Abstract: A flash memory apparatus and data erasing method thereof. The data erasing method includes: setting a plurality of incremental erasing voltages sequentially, and operating a plurality of data erasing operations on memory cells according to the erasing voltages; recording a recoded erasing voltage corresponding to the last data erasing operation; setting a plurality of incremental reading voltage sequentially, operating a plurality of data reading operations on the memory cells, and recording a final reading voltage corresponding to the last reading operation; setting a final erasing voltage for operating a final erasing operation on the memory cells, wherein a voltage level of the final erasing voltage equals to a sum of voltage levels of an erasing verification voltage, the final reading voltage and the recorded erasing voltage.