Samsung Electronics Co., Ltd.

Taeeun Park

Seonghoon Woo

Suhyun Kim

Yejin Shin

Donggeun Lim

Yukyeong Kim

A memory system may include a plurality of first memory devices; and a memory controller that may include a first chip enable (CE) pin configured to output a first CE signal that enables selectively any one of the first memory devices and a first status input pin configured to receive a first output signal indicating a memory operation status of an enabled first memory device from among the first memory devices in a first memory operation status checking period. In the first memory operation status checking period, the first output signal has one of a first level to indicate a first status of the memory operation status of the enabled first memory device, a second level to indicate a second status of the memory operation status of the enabled first memory device, or a third level to indicate a disabled status of the first memory devices.

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Seoul, South Korea

Taeeun Park