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:
Aug. 21, 2007
Filed:
Nov. 27, 2006
Applicants:
Jong-tae Kwak, Kyoungki-do, KR;
Shin-deok Kang, Kyoungki-do, KR;
Inventors:
Jong-Tae Kwak, Kyoungki-do, KR;
Shin-Deok Kang, Kyoungki-do, KR;
Assignee:
Hynix Semiconductor Inc., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A refresh control circuit for use in a semiconductor memory device having a plurality of banks, including: a bank number signal generator for generating a plurality of bank number signals having a predetermined delay time between generation timings of the plurality of bank number signals based on a refresh signal and a reference signal; and a bank selection unit for generating a plurality of bank selection signals in response to the plurality of bank number signals and a piled-refresh control signals to thereby refresh the plurality of banks.