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:
May. 13, 2014
Filed:
Sep. 13, 2012
Pil Seon Yoo, Seoul, KR;
Je IL Ryu, Seoul, KR;
Duck Ju Kim, Icheon-si, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A voltage supply circuit includes a high voltage generator configured to generate an operating voltage, a global word line switch configured to transfer the operating voltage to global word lines, a plurality of local line switches coupled to the global word lines and configured to transfer the operating voltage to corresponding local word lines, a precharge unit configured to supply a precharge voltage to an unselect local line switch adjacent to a select local line switch to which the operating voltage will be supplied, from among the plurality of local line switches, in a preparation section before an operation is started, and a coupling unit configured to couple the unselect local line switch and the global word line switch when the operation is started.