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:
Mar. 10, 2020

Filed:

Nov. 15, 2018
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 11/413 (2006.01); G06F 3/06 (2006.01); G11C 7/20 (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);
Abstract

Embodiments of memory block erasure are described herein. An aspect includes determining a first word line set consisting of a first plurality of word lines. Another aspect includes activating the first plurality of word lines, such that a respective memory cell that is connected to each of the first plurality of word lines is erased by the activation of the first plurality of word lines. Another aspect includes determining a second word line set, wherein the second word line set consists of the first word line set and a second plurality of word lines. Another aspect includes simultaneously activating the first plurality of word lines and the second plurality of word lines, such that a respective memory cell that is connected to each of the second plurality of word lines is erased by the activation of the first plurality of word lines and the second plurality of word lines.


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