| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an SDRAM with low power consumption and few control signals, an SDRAM refresh issuing system, and an SDRAM refresh issuing method. Ž<P>SOLUTION: The SDRAM comprises a transistor which is capable of reading ON-resistance since refresh is changed by an external refresh period controller for issuing refresh, and reflects the temperature of a memory cell. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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