| 摘要 |
PROBLEM TO BE SOLVED: To provide an associative memory in which increase of memory capacity is prevented and which can be easily controlled. SOLUTION: Even when communication is not performed for a long time, address data of server or the like being not desired to erase is stored in a permanent area 10a specified by a permanent area pointer register 20 out of a memory region 10, and address data to be erased by an aging means 30 is stored in a temporary area 10b excluding the permanent area 10 in the memory region 10.
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