公开(公告)号：US20190179553A1

公开(公告)日：2019-06-13

申请号：US16103078

申请日：2018-08-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wang-Soo Kim ,  Jung-Hwan Choi ,  Ki-Duk Park ,  Yoo-Chang Sung ,  Jin-Sung Youn ,  Chang-Kyo Lee ,  Ju-Ho Jeon ,  Jin-Seok Heo

IPC: G06F3/06 ,  H04L25/03

Abstract: A memory module includes a plurality of semiconductor memory devices associated with a same module board. The plurality of semiconductor memory devices configured to simultaneously perform a training operation, the plurality of semiconductor memory devices including a reception interface circuit configured to perform the training operation to search for selected equalization coefficients of an equalizer based on a training pattern from a memory controller, and transmit a training information signal to the memory controller in a training mode in response to a training command from the memory controller, the training information signal including the selected equalization coefficients.