Samsung Electronics Co., Ltd.

Gil-Hoon Cha

Jung-Hwan Choi

Kyung-Soo Ha

Ki-Seok Oh

Seok-Hun Hyun

Chang-Kyo Lee

Yeon-Kyu Choi

Dae-Sik Moon

A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.

Memory device adjusting duty cycle and memory system having the same

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Hwaseong-si, South Korea

Gil-Hoon Cha