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:
Oct. 28, 2014

Filed:

Aug. 22, 2012
Applicant:

Yong Deok Cho, Yongin-si, KR;

Inventor:

Yong Deok Cho, Yongin-si, KR;

Assignee:

SK Hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Command decoders are provided. The command decoder includes an input buffer configured for buffering and receiving command address signals having address information and command information at first, second, third, and fourth edges of a clock pulse signal according to a reference voltage, a latch circuit configured for latching the command address signals output from the input buffer at the first and third edges of the clock pulse signal to generate and output latched signals, a first command generator configured for decoding the latched signals output from the latch circuit at the first edge of the clock pulse signal to generate and output a first internal command, and a second command generator configured for decoding the latched signals output from the latch circuit at the third edge of the clock pulse signal to generate and output a second internal command.


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