The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 26, 2021

Filed:

Aug. 22, 2018
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Ching-Sheng Cheng, Hsinchu, TW;

Wen-Wei Lin, Hsinchu County, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 (2006.01); G11C 7/22 (2006.01); G11C 7/10 (2006.01); H03L 7/081 (2006.01); G06F 13/16 (2006.01);
U.S. Cl.
CPC ...
G11C 7/222 (2013.01); G06F 13/1673 (2013.01); G11C 7/1057 (2013.01); G11C 7/1078 (2013.01); H03L 7/0818 (2013.01);
Abstract

The present disclosure is related to a memory circuit. The memory includes a memory controller and a memory interface coupled between the memory controller and a memory device. The memory controller is configured to generate an output signal that is transmitted to the memory device. The memory interface includes a feedback path configured to receive the output signal and generates a feedback signal in response to the output signal and a variable reference voltage. The memory controller further includes a data register so as to sample the feedback signal in response to a clock signal having a phase with an adjustable shift.


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