Content addressable memory with selectable mask write mode

US6757779B1 · kind B1 · utility

Assignee

• NETLOGIC MICROSYSTEMS, INC. · US

Inventors

• Bindiganavale S. Nataraj · Cupertino, US
• Nilesh A. Gharia · San Jose, US
• Rupesh R. Roy · Santa Clara, US
• Jose Pio Pereira · Cupertino, US
• Varadarajan Srinivasan · Los Altos Hills, US
• Sandeep Khanna · Santa Clara, US
• Hok F. Wong · Cupertino, US

Key dates

• Filing date: Oct 31, 2001
• Grant date: Jun 29, 2004
• Expiry date: Jan 4, 2023

Classification

• Technology area (CPC H): Electricity
• CPC primary: H03K3/356139
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

A content addressable memory (CAM) that includes a CAM array and a write circuit. The write circuit is coupled the CAM array and has a coding circuit to convert a first value into a second value, and a select circuit to select either the first value or the second value to be stored in the CAM array.