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:
Nov. 12, 2013
Filed:
Dec. 21, 2011
Applicant:
Mi-hye Kim, Gyeonggi-do, KR;
Inventor:
Mi-Hye Kim, Gyeonggi-do, KR;
Assignee:
Hynix Semiconductor Inc., Gyeongg-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a code generator configured to generate a supplementary code with a value changing in response to a variation of an impedance code, a main driver configured to receive an output data and drive the received output data to a data output pad, wherein a driving force of the main driver is controlled according to the impedance code, and an auxiliary driver configured to receive the output data and drive the received output data to the data output pad, wherein a driving force of the auxiliary driver is controlled according to the supplementary code.