SEMICONDUCTOR MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME

According to an embodiment of the present invention, a memory system comprises: a memory controller which generates a normal refresh command and a target refresh command when input times of active commands reach a predetermined number, and provides the active command, the normal refresh command, the...

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Bibliographische Detailangaben
Hauptverfasser: KIM WOONG RAE, HONG DUCK HWA, HWANG JEONG TAE
Format: Patent
Sprache:eng ; kor
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