公开(公告)号：US20250047265A1

公开(公告)日：2025-02-06

申请号：US18441084

申请日：2024-02-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eunji AN ,  Kyoungtae KANG ,  Jehoon KIM ,  Byungjoo OH ,  Hyunsuk KANG

IPC: H03K3/011 ,  H03K3/03

Abstract: A drive signal supply device includes an oscillation circuit, a drive signal generation circuit, and a control circuit. The oscillation circuit includes a plurality of oscillators each including inverters and outputs a plurality of oscillation signals. A switching characteristic of each of the inverters included in one of the plurality of oscillators is different from a switching characteristic of each of the inverters included in another of the plurality of oscillators. The control circuit detects a process corner of the semiconductor device based on the plurality of oscillation signals to generate a control signal. The drive signal generation circuit generates a drive signal of a semiconductor device based on the control signal.

公开(公告)号：US20230138561A1

公开(公告)日：2023-05-04

申请号：US17938214

申请日：2022-10-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongho SHIN ,  Jungjune PARK ,  Kyoungtae KANG ,  Chiweon YOON ,  Junha LEE ,  Byunghoon JEONG

IPC: G11C7/10 ,  H03K19/00

Abstract: An apparatus and method for ZQ calibration, including determining a strong driver circuit and a weak driver circuit, which are related to an input/output (I/O) circuit connected to a signal pin, at power-up of the I/O circuit; providing a ZQ calibration code related to a sweep code to one from among the strong driver circuit and the weak driver circuit according to ZQ calibration conditions; and providing a ZQ calibration code related to a fixed code to an unselected circuit, thereby adjusting a termination resistance of the signal pin.