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:
Apr. 09, 2024

Filed:

Feb. 15, 2023
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventors:

Dong Seok Kim, Icheon-si, KR;

Joo Won Oh, Icheon-si, KR;

Keun Jin Chang, Icheon-si, KR;

Assignee:

SK hynix Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 11/28 (2006.01); G05F 1/56 (2006.01); H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
H03H 11/28 (2013.01); G05F 1/56 (2013.01); H03K 5/24 (2013.01);
Abstract

A semiconductor device includes an on-die resistor circuit comprising an on-die resistor, a calibration circuit configured to perform a calibration operation on the on-die resistor, and a calibration control circuit configured to control the calibration operation of the calibration circuit. The calibration circuit includes a current generating circuit configured to supply a calibration current to the on-die resistor and a comparing circuit configured to compare the magnitude of a first input signal that is generated by the calibration current and the on-die resistor with a magnitude of a second input signal that is generated by the calibration current and an external resistor.


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