公开(公告)号：US20200381075A1

公开(公告)日：2020-12-03

申请号：US16998068

申请日：2020-08-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongmin KIM ,  Yeongjin SEO ,  Keun-Hwan LEE

IPC: G11C29/50 ,  G11C29/12 ,  G11C29/02 ,  G06F12/00

Abstract: A storage device includes a plurality of nonvolatile memory devices; and a controller connected in common to the plurality of nonvolatile memory devices through data lines, the controller being configured to detect first offset information by performing a first training operation with respect to a first nonvolatile memory device from among the plurality of nonvolatile memory devices, the controller being further configured to, based on the first offset information, perform a second training operation with respect to a second nonvolatile memory device from among the plurality of nonvolatile memory devices.