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:
Aug. 09, 2022
Filed:
Mar. 15, 2021
Sandisk Technologies Llc, Addison, TX (US);
Tung Thanh Hoang, San Jose, CA (US);
Wen Ma, Sunnyvale, CA (US);
Martin Lueker-Boden, Fremont, CA (US);
SanDisk Technologies LLC, Addison, TX (US);
Abstract
Non-volatile memory structures are presented for a content addressable memory (CAM) that can perform in-memory search operations for both ternary and binary valued key values. Each ternary or binary valued key bit is stored in a pair of memory cells along a bit line of a NAND memory array, with the stored keys searched by applying each ternary or binary valued bit of an input key as voltage levels on a pair of word lines. The system is highly scalable. The system can also be used to perform nearest neighbor searches between stored vectors and an input vector to find stored vectors withing a specified Hamming distance of the input vector.