Invention Grant
US07729149B2 Content addressable memory cell including a junction field effect transistor 失效
内容可寻址存储单元,包括结型场效应晶体管

  • Patent Title: Content addressable memory cell including a junction field effect transistor
  • Patent Title (中): 内容可寻址存储单元,包括结型场效应晶体管
  • Application No.: US11799305
    Application Date: 2007-05-01
  • Publication No.: US07729149B2
    Publication Date: 2010-06-01
  • Inventor: Damodar R. Thummalapally
  • Applicant: Damodar R. Thummalapally
  • Applicant Address: US CA Los Gatos
  • Assignee: SuVolta, Inc.
  • Current Assignee: SuVolta, Inc.
  • Current Assignee Address: US CA Los Gatos
  • Agent Darryl G. Walker
  • Main IPC: G11C15/00
  • IPC: G11C15/00
Content addressable memory cell including a junction field effect transistor
Abstract:
A semiconductor device that includes a memory cell having a junction field effect transistor (JFET) used to form a content addressable memory (CAM) cell is disclosed. The JFET may include a data storage region disposed between a first and second insulating region. The data storage region provides a first threshold voltage to the JFET when storing a first data value and provides a second threshold voltage to the JFET when storing a second data value. The memory cell is a dynamic random access memory (DRAM) cell and can be used to form a CAM cell. The CAM cell may be a ternary CAM cell formed with as few as two JFETs.
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