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:
Jun. 02, 2026

Filed:

Jun. 28, 2024
Applicant:

Sandisk Technologies, Inc., Milpitas, CA (US);

Inventors:

Nidhi Agrawal, San Jose, CA (US);

Radhika Radhakrishnan, Bengaluru, IN;

Tosha Pandya, San Jose, CA (US);

Bo Lei, San Jose, CA (US);

Assignee:

Sandisk Technologies, Inc., Milpitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/16 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 16/16 (2013.01); G11C 16/3418 (2013.01); G11C 16/349 (2013.01);
Abstract

The memory device includes an array of memory cells that are arranged in word lines and are programmed to contain data. Circuitry is configured to erase the memory cells of the memory block in an erase operation. During erase, the circuitry is configured to begin an erase operation to erase the memory cells and suspend the erase operation for a first suspension. After the first suspension is completed, the circuitry is configured to resume the erase operation. The circuitry is then configured to receive an instruction to suspend the erase operation for a second suspension and dynamically determine a minimum resume latency based on a vulnerability of the memory block to erase errors. Only after the minimum resume latency has passed following the step of resuming the erase operation after the first suspension is completed, the circuitry is configured to suspend the erase operation for the second suspension.


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