| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a semiconductor memory system for generating a refresh flag. Ž<P>SOLUTION: The semiconductor memory system includes a memory controller for controlling generation of an address signal and an external command in response to a predetermined output refresh flag, and a memory module provided with first to N memory devices for generating first to N refresh flags while the address signal and the external command are received and the memory cell is refreshed. The memory module is provided with an output calculation part for outputting, if even one of the first to N flag signals is activated, an activated flag signal as an output flag signal. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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