Patent · US Active

Segmented ternary content addressable memory search architecture

US7804699B2 · kind B2 · utility

13Cited by

1References

20Claims

0Family size

Assignee

TEXAS INSTRUMENTS INCORPORATED · US

Inventors

Sharad Gupta · New Delhi, IN
Morris D. Ward · Garland, US
Rashmi Sachan · Savanuru, IN
Dharmesh Kumar Sonkar · Bengaluru, IN
Sunil Kumar Misra · Savanuru, IN
Yunchen Qiu · Plano, US
Anuroop S. S. R Vuppala · Bengaluru, IN

Key dates

Filing date	Dec 26, 2008
Grant date	Sep 28, 2010
Priority date	—
Expiry date	Dec 26, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG11C15/04
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A segmented ternary content addressable memory (TCAM) search architecture is disclosed. In one embodiment, a TCAM device with a row of TCAM cells includes a first segment of the TCAM cells for determining a match of corresponding search bits of a search string with a first portion of a stored string in the first segment of the TCAM cells, an evaluation module for generating a search enable signal if the match of the corresponding search bits with the first portion of the stored string is determined, and a second segment of the TCAM cells for determining a match of remaining search bits of the search string with a remaining portion of the stored string in response to the search enable signal.

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