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.
Patent No.:
Date of Patent:
May. 31, 2016
Filed:
Mar. 17, 2015
Applicant:
Realtek Semiconductor Corp., HsinChu, TW;
Inventors:
Assignee:
Realtek Semiconductor Corp., Science Park, HsinChu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 11/4091 (2006.01); G11C 11/4076 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4091 (2013.01); G11C 11/4076 (2013.01);
Abstract
A memory control circuit includes a comparator, an eye width measuring circuit and a calibration circuit, wherein the comparator is arranged to compare a data signal with a reference voltage to generate a compared data signal; the eye width measuring circuit is coupled to the comparator, and is arranged to measure an eye width of the compared data signal to generate a measuring result; and the calibration circuit is coupled to the comparator and the eye width measuring circuit, and is arranged to adjust a level of the reference voltage according to the measuring result.