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:
Mar. 31, 2009
Filed:
Dec. 28, 2006
Applicant:
Young-chul Sohn, Gyeonggi-do, KR;
Inventor:
Young-Chul Sohn, Gyeonggi-do, KR;
Assignee:
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A refresh control circuit includes a temperature detecting unit that detects the temperature and generates a temperature detecting voltage, a control unit that generates a plurality of control signals, a digital converting unit that converts the temperature detecting voltage into a plurality of bits of digital code and outputs a plurality of bits of digital code according to the control of a plurality of control signals, and a refresh signal generating unit that generates a refresh signal with a period corresponding to the input of a plurality of bits of digital code.