Memory device, memory managing method and program

A memory managing method for managing a non-volatile memory having a plurality of memory blocks for storing data to which physical addresses are allocated, and each of said memory blocks including physical pages, each of said physical pages including a logical page and a redundancy portion, characterized in that

• said method comprises the steps of:
• when said non-volatile memory is activated, reading data from the redundancy portions of said non-volatile memory and preparing an address translation table showing a correlation between physical addresses of pages constituting each of said memory blocks and logical addresses of said pages and a write pointer indicating a physical address of an empty page,
• receiving to-be-written data and logical address;
• and
• when to-be-written data and a logical address are supplied, writing said to-be-written data in the empty page indicated by said write pointer, and said address translation table is renewed in such a way as to show a correlation between the physical address of that empty page and said logical address (S311, S314).

A program for allowing a computer (121), connected to a memory (11) including a plurality of memory blocks for storing data to which physical addresses are allocated, to function to:

• store an address translation table showing a correlation between physical addresses of pages constituting each of said memory blocks and logical addresses of said pages (S105);
• specify an empty page in a data storable state from among said pages and store a write pointer indicating a physical address of said specified empty page (S107);
• and
• when to-be-written data and a logical address are supplied to said computer, write said to-be-written data in the empty page indicated by said write pointer and renew said address translation table in such a way as to show a correlation between the physical address of that empty page and said logical address (S311, S314).