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:
Nov. 27, 2012

Filed:

Oct. 31, 2011
Applicants:

Kyung-whan Kim, Kyoungki-do, KR;

Seok-cheol Yoon, Kyoungki-do, KR;

Inventors:

Kyung-Whan Kim, Kyoungki-do, KR;

Seok-Cheol Yoon, Kyoungki-do, KR;

Assignee:

Hynix Semiconductor Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor memory device having read and write operations includes a discrimination signal generating unit for generating a discrimination signal during the write operation and a selective delay unit for receiving and selectively delaying a command-group signal in response to the discrimination signal.


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