Samsung Electronics Co., Ltd.

Sung-geun Do

Jong-Ho Lee

Chan-yong Lee

Min-soo Jang

Provided is a memory device capable of reducing power consumption. The memory device includes a plurality of memory cells; and a self refresh controller configured to perform a refreshing cycle, which includes a first time interval and a second time interval, for a plurality of number of times, the second time interval being longer than the first section, wherein the self refresh controller is configured to perform a burst refreshing operation during the first time interval and to perform a power supply controlling operation during the second time interval.

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Seongnam-si, South Korea

Sung-geun Do