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:
May. 03, 2022

Filed:

Mar. 02, 2021
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventor:

Yeonsu Jang, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/00 (2006.01); H03K 3/013 (2006.01); H03K 3/0233 (2006.01); H03K 5/08 (2006.01); H03K 5/007 (2006.01); H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
H03K 3/013 (2013.01); H03K 3/02335 (2013.01); H03K 5/007 (2013.01); H03K 5/08 (2013.01); H03K 5/2481 (2013.01);
Abstract

According to an embodiment, a semiconductor device includes a differential input circuit suitable for receiving first and second input signals respectively inputted to first and second input transistors, and outputting an output signal; a comparison circuit suitable for generating a first judge signal by comparing the output signal with a first comparison voltage, and generating a second judge signal by comparing the output signal with a second comparison voltage, in a calibration mode; an offset control circuit suitable for adjusting coarse codes and fine codes, according to the first and second judge signals; and an offset adjusting circuit suitable for adjusting a drivability of each of the first and second input transistors by a first strength, according to the coarse codes, and adjusting the drivability of each of the first and second input transistors by a second strength smaller than the first strength, according to the fine codes.


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