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:
Jan. 26, 2021

Filed:

Jan. 03, 2020
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Martin B. Schmidt, Stuttgart, DE;

Peter Altevogt, Ettlingen, DE;

Wolfgang Gellerich, Boeblingen, DE;

Juergen Pille, Stuttgart, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/56 (2006.01); G11C 16/08 (2006.01); G11C 16/16 (2006.01); G06F 3/06 (2006.01); G11C 7/20 (2006.01); G11C 11/413 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0652 (2013.01); G06F 3/064 (2013.01); G11C 7/20 (2013.01); G11C 11/413 (2013.01); G11C 11/5635 (2013.01); G11C 16/08 (2013.01); G11C 16/16 (2013.01);
Abstract

Embodiments of memory block erasure are described herein. An aspect includes determining an initial word line set consisting of a single word line. Another aspect includes activating the single word line such that a first memory cell that is connected to the single word line is erased by the activation. Another aspect includes determining a first word line set consisting of the single word line and one additional word line, and wherein the one additional word line corresponds to a second memory cell have a maximum distance from the first memory cell along a bit line that includes the first memory cell and the second memory cell. Another aspect includes activating the first word line set, such that a respective memory cell that is connected to each of the first word line set is erased by the activation.


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