公开(公告)号：US12028068B2

公开(公告)日：2024-07-02

申请号：US18178038

申请日：2023-03-03

Applicant: Kioxia Corporation

Inventor： Fumiya Watanabe ,  Toshifumi Watanabe ,  Kazuhiko Satou ,  Shouichi Ozaki ,  Kenro Kubota ,  Atsuko Saeki ,  Ryota Tsuchiya ,  Harumi Abe

IPC: H03K3/011 ,  G11C7/10 ,  H03K17/14 ,  H03K19/20

CPC classification number: H03K3/011 ,  G11C7/1048 ,  H03K17/14 ,  G11C2207/2254 ,  H03K19/20

Abstract: A semiconductor device includes a first pad, a second pad, a first output driver provided for the first pad and configured to output a first transmission signal to the first pad, a second output driver provided for the second pad and configured to output a second transmission signal to the second pad, a register that stores first and second calibration values, a first reference resistor for the first pad and having a resistance value that is set according to the first calibration value, a second reference resistor for the second pad and having a resistance value that is set according to the second calibration value, a first setting circuit configured to calibrate a resistance value of the first output driver using the first reference resistor, and a second setting circuit configured to calibrate a resistance value of the second output driver using the second reference resistor.