公开(公告)号：US12248018B2

公开(公告)日：2025-03-11

申请号：US18047366

申请日：2022-10-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeon Ho Jung ,  Jong Wook Kye ,  Min Woo Kwak ,  Mi Joung Kim ,  Chan Wook Park ,  Do Hoon Byun ,  Kwan Seong Lee ,  Jae Ho Lee ,  Jae Seung Choi ,  Hwang Ho Choi

IPC: G01R31/28 ,  G01R31/30 ,  H03K3/011 ,  H03K3/03

Abstract: A semiconductor chip includes a semiconductor device connected between a first node to which a power supply voltage is applied and a second node to which a ground voltage is applied, a first ring oscillator connected to the first node through a first supply switch and the second node through a first ground switch and a second ring oscillator connected to the first node through a second supply switch and the second node through a second ground switch, wherein the first supply and ground switches are configured to operate in response to a first control signal, thereby operating the first ring oscillator, and the second supply and ground switches are configured to operate in response to a second control signal, thereby operating the second ring oscillator.

公开(公告)号：US20230176112A1

公开(公告)日：2023-06-08

申请号：US18047366

申请日：2022-10-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeon Ho Jung ,  Jong Wook Kye ,  Min Woo Kwak ,  Mi Joung Kim ,  Chan Wook Park ,  Do Hoon Byun ,  Kwan Seong Lee ,  Jae Ho Lee ,  Jae Seung Choi ,  Hwang Ho Choi

IPC: G01R31/28 ,  H03K3/03 ,  H03K3/011 ,  G01R31/30

CPC classification number: G01R31/2856 ,  H03K3/0315 ,  H03K3/011 ,  G01R31/3004

Abstract: A semiconductor chip includes a semiconductor device connected between a first node to which a power supply voltage is applied and a second node to which a ground voltage is applied, a first ring oscillator connected to the first node through a first supply switch and the second node through a first ground switch and a second ring oscillator connected to the first node through a second supply switch and the second node through a second ground switch, wherein the first supply and ground switches are configured to operate in response to a first control signal, thereby operating the first ring oscillator, and the second supply and ground switches are configured to operate in response to a second control signal, thereby operating the second ring oscillator.

公开(公告)号：US20230097976A1

公开(公告)日：2023-03-30

申请号：US17662327

申请日：2022-05-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeon Ho Jung ,  Jong Wook Kye ,  Min Woo Kwak ,  Mi Joung Kim ,  Chan Wook Park ,  Do Hoon Byun ,  Je Kyun Ryu ,  Kwan Seong Lee ,  Jae Ho Lee ,  Jae Seung Choi

IPC: G01R31/317

Abstract: An integrated circuit and an electronic device including the integrated circuit are provided. An integrated circuit includes a sequential logic circuit, which includes a first scan cell that is configured to receive a scan input, and a plurality of scan cells sequentially connected in series from the first scan cell, a control unit, which is configured to receive a selection signal including an output of each of the plurality of scan cells, and is further configured to output a control signal responsive to the selection signal, and a monitoring circuit, which is configured to receive the control signal, is configured to perform first monitoring of first data at a first node that is an observation node in the sequential logic circuit responsive to the control signal, and is configured to output a result of the first monitoring to a monitoring node.