Content addressable memory cell
US7227765B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 20, 2004 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Jan 19, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C15/046
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A content addressable memory cell for a non-volatile content addressable memory, including a non-volatile storage element for storing a content digit, a selection input for selecting the memory cell, a search input for receiving a search digit, and a comparison circuit arrangement for comparing the search digit to the content digit and for driving a match output of the memory cell so as to signal a match between the content digit and the search digit. The non-volatile storage element include at least one phase-change memory element for storing in a non-volatile way the respective content digit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.