In the present invention, disclosed is a semiconductor memory device capable of reducing the number of erasing times of each block allocated to a cluster or the number of blocks to be erased in one writing to the minimum. As an embodiment of the present invention, when a host system 1 performs accessing,...http://www.google.fr/patents/US6459644?utm_source=gb-gplus-shareBrevet US6459644 - Semiconductor memory device with block alignment function
Semiconductor memory device with block alignment function