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:
Feb. 15, 2022
Filed:
Oct. 16, 2019
Sandisk Technologies Llc, Addison, TX (US);
Jianzhi Wu, Milpitas, CA (US);
Xiang Yang, Santa Clara, CA (US);
SanDisk Technologies LLC, Addison, TX (US);
Abstract
A non-volatile memory system and corresponding method of operation are provided. The system includes memory cells arranged in sectors. Each of the memory cells includes a control gate in communication with one of a plurality of word lines and a drain coupled to one of a plurality of bit lines and is configured to retain a threshold voltage. A control circuit is in communication with the memory cells and is configured to read the threshold voltage of each of the memory cells using default read parameters. The control circuit determines whether reading the non-volatile memory cells using the default read parameters is successful. The control circuit dynamically tests and adjusts read parameters based on whether reading the memory cells using the read parameters is successful in response to determining that reading the memory cells using the default read parameters is not successful.