Information storage device and stored data processing method

Details Information storage device and stored data processing method Information storage device and stored data processing method

G - Physics

11

C

G11C 11/34 (2006.01) G11C 7/00 (2006.01) G11C 16/02 (2006.01)

Patent

CA 2619190

An information storage device includes one or more semiconductor memories storing management data accompanying content data and being configured to erase data in units of one block, and a controller setting up, in the one or more semiconductor memories, a working area to temporarily store the management data and a storage area to retain all or part of the management data stored in the working area, writing the management data to the working area while monitoring the free space of the working area, moving the management data stored in the working area to the storage area when the free space of the working area falls below a prescribed value, and erasing the management data stored in the working area after the movement of the management data to the storage area.

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