发明授权
- 专利标题: Circuit for sensing the content of a semiconductor memory cell
- 专利标题(中): 用于感测半导体存储单元的内容的电路
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申请号: US13056372申请日: 2009-07-27
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公开(公告)号: US08400857B2公开(公告)日: 2013-03-19
- 发明人: William Redman-White
- 申请人: William Redman-White
- 申请人地址: NL Eindhoven
- 专利权人: NXP B.V.
- 当前专利权人: NXP B.V.
- 当前专利权人地址: NL Eindhoven
- 优先权: EP08104890.2 20080728
- 国际申请: PCT/IB2009/053263 WO 20090727
- 国际公布: WO2010/013192 WO 20100204
- 主分类号: G11C7/00
- IPC分类号: G11C7/00 ; G11C7/02
摘要:
A sensing circuit (100) for sensing the content of a memory cell (101), wherein the sensing circuit comprises a sense node (103) connectable to the memory cell (101) so that a signal indicative of the content of the memory cell (101) is providable to the sense node (103). The sensing circuit (100) further comprises a logic gate (102) having a first input, a second input and an output, wherein a reference signal (105) is providable to the first input and wherein the sense node (103) is coupled to the second input. The sensing circuit (100) further comprises a feedback loop (104) for coupling the output of the logic gate (102) to the second input of the logic gate (102) so that, during sensing the content of the memory cell (101), an electrical potential at the sense node (103) is used to make a decision but after a result is obtained, the memory and sense amplifier combination are configured so that the result is held indefinitely and so that no static current continues to flow.
公开/授权文献
- US20110128808A1 CURRENT SENSE AMPLIFIER WITH FEEDBACK LOOP 公开/授权日:2011-06-02
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