Invention Grant
- Patent Title: Reduced power consumption content-addressable memory
- Patent Title (中): 降低功耗内容 - 可寻址内存
-
Application No.: US14080464Application Date: 2013-11-14
-
Publication No.: US08842458B2Publication Date: 2014-09-23
- Inventor: Christopher Gronlund , Eric Hall
- Applicant: Broadcom Corporation
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: G11C15/04
- IPC: G11C15/04

Abstract:
According to one disclosed embodiment, a content-addressable memory (CAM) system configured for reduced power consumption includes a sensing circuit utilized to apply a sense voltage to a matchline of the CAM system, a valid bit cell coupled to the matchline, and a power cut-off circuit configured to isolate the sense voltage from the matchline when an invalid validity state is stored in the valid bit cell, thereby reducing power consumption by the CAM system. In one embodiment, the power cut-off circuit isolates the sense voltage from the matchline by decoupling the sensing circuit from a control signal when an invalid validity state is stored in the valid bit cell.
Public/Granted literature
- US20140071727A1 Reduced Power Consumption Content-Addressable Memory Public/Granted day:2014-03-13
Information query