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:
Jul. 01, 2025
Filed:
Jan. 17, 2023
Amazon Technologies, Inc., Seattle, WA (US);
Anna Rom-Saksonov, Rosh Haayin, IL;
Amazon Technologies, Inc., Seattle, WA (US);
Abstract
A Content-Addressable Memory (CAM) is disclosed in which a single lookup request is split into several iterations, with each iteration having a partial lookup. Results of the partial lookups are incrementally accumulated to obtain a final lookup result. The incremental CAM lookup allows for smaller CAM hardware to be used than typically needed for a similar size lookup, which saves area and power over prior approaches. In one embodiment, a memory is used in conjunction with a CAM and the CAM is configured on each partial lookup using a read from the memory. Accumulation logic can then be used to logically combine the results of the partial lookups.