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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.:

US 9355720 B1

PDFFull Text
Date of Patent:
May. 31, 2016

Filed:

Oct. 16, 2014

Write driver, variable resistance memory apparatus including the same, and operation method

Applicant:

SK Hynix Inc., Icheon-si Gyeonggi-do, KR;

Inventors:

Chang Yong Ahn, Icheon-si, KR;

Yoon Jae Shin, Icheon-si, KR;

In Soo Lee, Icheon-si, KR;

Jun Ho Cheon, Icheon-si, KR;

Assignee:

SK HYNIX INC., Icheon-Si, KR;

Attorney:

William Park & Associates Ltd.

Primary Examiner:

Huan Hoang

Assistant Examiner:

Roberto Mancera

Int. Cl.
CPC ...
G11C 13/00 (2006.01);
U.S. Cl.
CPC ...
G11C 13/0069 (2013.01); G11C 13/0061 (2013.01); G11C 13/0004 (2013.01); G11C 13/0064 (2013.01); G11C 2013/0076 (2013.01); G11C 2013/0078 (2013.01); G11C 2013/0092 (2013.01);
Abstract

A write driver is configured to determine a magnitude and an application time of a pre-emphasis current pulse in response to control codes generated according to parasitic components on a path from a write driver to a program target cell and a resistance value of the program target cell, and supply a preset program current to a memory circuit block by adding a pre-emphasis current to the preset program current in a program mode.

Find Patent Forward Citations

Ahn, Chang. (2016). Write driver, variable resistance memory apparatus including the same, and operation method (U.S. Patent No. 9355720). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9355720

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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