公开(公告)号：US11733872B2

公开(公告)日：2023-08-22

申请号：US17706137

申请日：2022-03-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaehwan Lim ,  Walter Jun ,  Jaeeun Kim ,  Jihoon Kim ,  Kihyeon Myung ,  Hyunjung Yoo ,  Jungwoo Lee

IPC: G06F3/06 ,  G06F13/42

CPC classification number: G06F3/0613 ,  G06F3/0656 ,  G06F3/0673 ,  G06F13/4221 ,  G06F2213/0026

Abstract: A system includes a transmission device and a reception device that are connected through a link. The reception device includes a reception buffer configured to receive and store transaction layer packets and a reception flow controller configured to generate flow control packets by monitoring an occupation state of the reception buffer. The transmission device includes a transmission buffer, a transmission flow controller and a dynamic frequency controller. The transmission buffer stores pending transaction layer packets to be transferred to the reception device. The transmission flow controller controls a flow of transaction layer packets to be transferred to the reception device based on the flow control packets received from the reception device. The dynamic frequency controller controls a frequency of an internal clock signal of the transmission device by monitoring a state of the transmission buffer and a state of the transmission flow controller.

公开(公告)号：US12223181B2

公开(公告)日：2025-02-11

申请号：US18197456

申请日：2023-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaehwan Lim ,  Yeongyu Ahn ,  Hyunjung Yoo ,  Jungwoo Lee

IPC: G06F12/00 ,  G06F3/06

Abstract: A storage device includes at least one nonvolatile memory device and a storage controller. The storage controller controls the at least one nonvolatile memory device based on a request from an external host. The storage controller adaptively adjusts an impedance of a transmission driver based on a change of an operating temperature of the storage device. The transmission driver transmits a transmission signal to the external host through a link. The storage device may increase an eye height of the transmission signal transmitted to the host through the link by decreasing impedance of the transmission driver as the operating temperature increases. Therefore, the storage device according to example embodiments may maintain reliability of the link even though the operating temperature of the storage device increases.

公开(公告)号：US20240086078A1

公开(公告)日：2024-03-14

申请号：US18197456

申请日：2023-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaehwan LIM ,  Yeongyu Ahn ,  Hyunjung Yoo ,  Jungwoo Lee

IPC: G06F3/06

CPC classification number: G06F3/0619 ,  G06F3/0629 ,  G06F3/0653 ,  G06F3/0679

Abstract: A storage device includes at least one nonvolatile memory device and a storage controller. The storage controller controls the at least one nonvolatile memory device based on a request from an external host. The storage controller adaptively adjusts an impedance of a transmission driver based on a change of an operating temperature of the storage device. The transmission driver transmits a transmission signal to the external host through a link. The storage device may increase an eye height of the transmission signal transmitted to the host through the link by decreasing impedance of the transmission driver as the operating temperature increases. Therefore, the storage device according to example embodiments may maintain reliability of the link even though the operating temperature of the storage device increases.