Samsung Electronics Co., Ltd.

Sewoong Lee

Dongho Lee

Youn-Soo Cheon

A storage device including: a flash memory including a selected word line and an adjacent word line adjacent to the selected word line; and a memory controller configured to provide a select read voltage to the selected word line and a pass voltage to the adjacent word line during a read operation, the pass voltage being higher than the select read voltage, and wherein the memory controller is further configured to determine whether the selected word line is a hot spot read word line based on a deterioration level of the adjacent word line, and perform a word line reclaim operation for the adjacent word line when the selected word line is the hot spot read word line.

Growing community of inventors

Suwon-si, South Korea

Sewoong Lee