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:
Nov. 10, 2020
Filed:
Jun. 13, 2019
Western Digital Technologies, Inc., San Jose, CA (US);
Western Digital Technologies, Inc., San Jose, unknown;
Abstract
Identifying a faulty memory die in a non-volatile memory storage system. Various methods include: commencing a programming operation of a multi-state block of a subject die, the programming operation including populating a transfer data latch with a first set of data and transferring the data to a first data latch, populating the transfer data latch with a second set of data and transferring the data to second data latch, arranging the first and second data sets in a suitable format of the multi-state block, and writing the data sets to the multi-state block; prior to populating the transfer data latch with the second data set, performing a program suspend and read operation thereby populating the transfer data latch with read data; and comparing the read data to the data contained in the first data latch and, if the comparison results in a match, identifying the subject die as faulty.