Method of writing, erasing, and controlling memory for memory device

A method of managing a memory device comprising:

• fixedly assigning logical addresses to flash memory chips of the memory device;
• and
• writing new data of a specific logical address into a respective flash memory chip of the flash memory chips to which the specific logical address is fixedly assigned, such that the respective flash memory chip is a same flash memory chip for a given new data, and a physical address of the new data written is always in the respective flash memory chip.

A memory device comprising:

• a plurality of flash memory chips, each chip comprising a plurality of blocks, wherein a free block of the blocks being used for writing new data;
• and
• means for fixedly assigning logical addresses to the flash memory chips, and writing new data of a specific logical address into a respective flash memory chip of the flash memory chips to which the specific logical address is fixedly assigned, such that the respective flash memory chip is a same flash memory chip for a given new data, a physical location of the new data written is always in the respective flash memory chip.