公开(公告)号：US20230143365A1

公开(公告)日：2023-05-11

申请号：US17852664

申请日：2022-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joo Hwan KIM ,  Jun Young PARK ,  Jin Do BYUN ,  Kwang Seob SHIN ,  Eun Seok SHIN ,  Hyun-Yoon CHO ,  Young Don CHOI ,  Jung Hwan CHOI

IPC: G11C7/10

CPC classification number: G11C7/1048 ,  G11C2207/2254

Abstract: A method includes measuring a linearity of a first pull-up circuit, a second pull-up circuit, a third pull-up circuit, a first pull-down circuit, a second pull-down circuit and a third pull-down circuit using an initial pull-up code and an initial pull-down code, each of the first pull-up circuit, the second pull-up circuit and the third pull-up circuit having a respective resistance value determined based on a respective pull-up code, and each of the first pull-down circuit, the second pull-down circuit and the third pull-down circuit having a respective resistance value determined based on a respective pull-down code, and determining a calibration setting indicator based on the measurement result, the calibration setting indicator indicating a calibration method of a transmission driver including the first pull-up circuit, the second pull-up circuit, the third pull-up circuit, the first pull-down circuit, the second pull-down circuit and the third pull-down circuit.