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. 09, 2021
Filed:
Dec. 24, 2019
SK Hynix Inc., Gyeonggi-do, KR;
Yun-Gi Hong, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device may include a plurality of banks; a plurality of address storage circuits respectively corresponding to the plurality of banks, and suitable for storing refresh addresses of corresponding banks; an output control circuit suitable for, based on a refresh command signal and a test mode signal, generating an output clock and selectively outputting, as output data, a refresh address outputted from any one of the address storage circuits or bank data provided from the banks; an output buffer suitable for outputting the output data to a plurality of data input/output pads based on the output clock; and a strobe signal generation circuit suitable for generating a data strobe signal based on the output clock and outputting the data strobe signal through a data strobe pad.