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:
Dec. 27, 2011
Filed:
Jan. 21, 2011
Chang Won Yang, Gyeonggi-do, KR;
Cheul Hee Koo, Gyeonggi-do, KR;
Sam Kyu Won, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A page buffer circuit comprises a bit line selection unit, a latch unit, and a bit line control unit. The bit line selection unit is configured to select a bit line coupled to memory cells. The latch unit comprises a plurality of latch circuits. The plurality of latch circuits is coupled to a sense node and configured to latch data to be programmed into the memory cells or store data from the memory cells. The bit line control unit is coupled to the sense node and configured to temporarily charge a voltage of the selected bit line in response to charge and transfer control signals or transfer the charged voltage to the selected bit line.