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:
Jul. 12, 2016
Filed:
Feb. 25, 2014
Hun-dae Choi, Seoul, KR;
Han-gi Jung, Hwaseong-si, KR;
Hun-dae Choi, Seoul, KR;
Han-gi Jung, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, Gyeonggi-Do, KR;
Abstract
A semiconductor memory device comprising of a parity check unit configured to receive a command signal and a parity signal to perform error checking in the command signal and output a parity indication signal; a delay unit including a plurality of registers configured to time delay by n clock cycles the parity indication signal and output a delayed parity indication signal; a command register configured to time delay by n clock cycles the command signal and output a delayed command; and a decoder configured to pass or block the delayed command signal based on the delayed parity indicator signal.