Patent · US Active

Content addressable memory

US10629264B2 · kind B2 · utility

3Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 2018
Grant dateApr 21, 2020
Priority date
Expiry dateMar 20, 2038

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A content addressable memory includes a plurality of TCAM cells which configure one entry, a first word line coupled to the TCAM cells, a second word line coupled to the TCAM cells and a match line coupled to the TCAM cells and further includes a valid cell which stores a valid bit which indicates validity or invalidity of the entry, a bit line coupled to the valid line and a selection circuit which is coupled to the first word line and the second word line and sets the valid cell to a selected state in accordance with a situation where the first word line or the second word line is set to the selected state.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.