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:
Sep. 05, 2023
Filed:
Jun. 22, 2021
Yangtze Memory Technologies Co., Ltd., Wuhan, CN;
Weijun Wan, Wuhan, CN;
YANGTZE MEMORY TECHNOLOGIES CO., LTD., Wuhan, CN;
Abstract
In certain aspects, a memory device includes an array of memory cells in columns and rows, word lines respectively coupled to rows, bit lines respectively coupled to the columns, and a peripheral circuit coupled to the array of memory cells through the bit lines and the word lines and configured to program a select row based on a current data page. Each memory cell is configured to store a piece of N-bits data at one of 2levels, where N is an integer greater than 1. The peripheral circuit includes page buffer circuits respectively coupled to the bit lines. Each page buffer circuit includes one cache storage unit, one multipurpose storage unit, and N−1 data storage units.