Semiconductor device of daisy chain structure having independent refresh apparatus

The present invention relates to a semiconductor device with a daisy chain structure having an independent, wherein each of the independent refresh means is additionally added to each of DRAMs being formed in a ring type, thereby independently performing a refresh operation in each DRAM to replace t...

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Hauptverfasser: KIM, MOO SUK
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a semiconductor device with a daisy chain structure having an independent, wherein each of the independent refresh means is additionally added to each of DRAMs being formed in a ring type, thereby independently performing a refresh operation in each DRAM to replace the conventional refresh operation depending on the existing single controller so that it allows easy application the semiconductor device by decreasing a DRAM's dependency to the controller.