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, 2020
Filed:
Jan. 15, 2019
SK Hynix Inc., Gyeonggi-do, KR;
Hee Jun Kim, Gyeonggi-do, KR;
Minsoon Hwang, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A data output circuit includes: a voltage generation circuit configured to generate an operating voltage having a potential level higher than levels of a first power supply voltage and a second power supply voltage; a pre-driver circuit configured to generate pull-up code signals and pull-down code signals according to calibration code signals and the operating voltage; a data pre-driver circuit configured to generate and output internal data according to a data signal and the first power supply voltage; and a main driver circuit configured to generate output data according to the internal data and the second power supply voltage, wherein a driving strength of the main driver circuit is adjusted according to the pull-up code signals and the pull-down code signals.