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    Electrically programmable fuse sense circuit
    1.
    发明授权
    Electrically programmable fuse sense circuit 失效
    电可编程保险丝检测电路

    公开(公告)号：US07528646B2

    公开(公告)日：2009-05-05

    申请号：US11550960

    申请日：2006-10-19

    申请人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    发明人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    IPC分类号： H01H37/76 ,  H01H85/00

    CPC分类号： G11C17/16 ,  G11C17/18

    摘要： A electrically programmable fuse sense circuit having an electrically programmable fuse and a reference resistance. A first current source is coupled, through a first switch, to the electrically programmable fuse. A second current source is coupled, through a second switch, to the reference resistance. A precharge signal enables the first current source, the second current source and closes the first switch and the second switch, creating voltage drops across the electrically programmable fuse and the reference resistance. When the precharge signal goes inactive, the first current source and the second current source are shut off, and, at the same time the first switch and the second switch are opened. A latching circuit uses a difference in the voltage drops when the precharge signal goes inactive to store a state of the electrically programmable fuse, indicative of whether the electrically programmable fuse is blown or unblown.

    摘要翻译： 一种具有电可编程熔丝和参考电阻的电可编程熔丝检测电路。 第一电流源通过第一开关耦合到电可编程保险丝。 第二电流源通过第二开关耦合到参考电阻。 预充电信号使得第一电流源，第二电流源能够闭合第一开关和第二开关，从而在电可编程保险丝和参考电阻之间产生电压降。 当预充电信号不起作用时，第一电流源和第二电流源被切断，同时第一开关和第二开关断开。 当预充电信号无效以存储电可编程熔丝的状态时，锁存电路使用电压降的差异，指示电可编程熔丝是否被吹制或未被吹出。

    Electrically Programmable Fuse Sense Circuit
    2.
    发明申请
    Electrically Programmable Fuse Sense Circuit 失效
    电子可编程保险丝感应电路

    公开(公告)号：US20080106323A1

    公开(公告)日：2008-05-08

    申请号：US11550960

    申请日：2006-10-19

    申请人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    发明人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    IPC分类号： H01H37/76

    CPC分类号： G11C17/16 ,  G11C17/18

    摘要： A electrically programmable fuse sense circuit having an electrically programmable fuse and a reference resistance. A first current source is coupled, through a first switch, to the electrically programmable fuse. A second current source is coupled, through a second switch, to the reference resistance. A precharge signal enables the first current source, the second current source and closes the first switch and the second switch, creating voltage drops across the electrically programmable fuse and the reference resistance. When the precharge signal goes inactive, the first current source and the second current source are shut off, and, at the same time the first switch and the second switch are opened. A latching circuit uses a difference in the voltage drops when the precharge signal goes inactive to store a state of the electrically programmable fuse, indicative of whether the electrically programmable fuse is blown or unblown.

    摘要翻译： 一种具有电可编程熔丝和参考电阻的电可编程熔丝检测电路。 第一电流源通过第一开关耦合到电可编程保险丝。 第二电流源通过第二开关耦合到参考电阻。 预充电信号使得第一电流源，第二电流源能够闭合第一开关和第二开关，从而在电可编程保险丝和参考电阻之间产生电压降。 当预充电信号不起作用时，第一电流源和第二电流源被切断，同时第一开关和第二开关断开。 当预充电信号无效以存储电可编程熔丝的状态时，锁存电路使用电压降的差异，指示电可编程熔丝是否被吹制或未被吹出。

    Electrically programmable fuse sense circuit
    3.
    发明授权
    Electrically programmable fuse sense circuit 失效
    电可编程保险丝检测电路

    公开(公告)号：US07532057B2

    公开(公告)日：2009-05-12

    申请号：US11872873

    申请日：2007-10-16

    申请人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil C. Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    发明人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil C. Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    IPC分类号： H01H37/76 ,  H01H85/00

    CPC分类号： G11C17/18 ,  G11C17/16 ,  H01L23/5252 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A design structure for electrically programmable fuse sense circuit having an electrically programmable fuse and a reference resistance. A first current source is coupled, through a first switch, to the electrically programmable fuse. A second current source is coupled, through a second switch, to the reference resistance. A precharge signal enables the first current source, the second current source and closes the first switch and the second switch, creating voltage drops across the electrically programmable fuse and the reference resistance. When the precharge signal goes inactive, the first current source and the second current source are shut off, and, at the same time the first switch and the second switch are opened. A latching circuit uses a difference in the voltage drops when the precharge signal goes inactive to store a state of the electrically programmable fuse, indicative of whether the electrically programmable fuse is blown or unblown.

    摘要翻译： 一种用于电可编程熔丝检测电路的设计结构，其具有电可编程熔丝和参考电阻。 第一电流源通过第一开关耦合到电可编程保险丝。 第二电流源通过第二开关耦合到参考电阻。 预充电信号使得第一电流源，第二电流源能够闭合第一开关和第二开关，从而在电可编程保险丝和参考电阻之间产生电压降。 当预充电信号不起作用时，第一电流源和第二电流源被切断，同时第一开关和第二开关断开。 当预充电信号无效以存储电可编程熔丝的状态时，锁存电路使用电压降的差异，指示电可编程熔丝是否被吹制或未被吹出。

    Electrically Programmable Fuse Sense Circuit
    4.
    发明申请
    Electrically Programmable Fuse Sense Circuit 失效
    电子可编程保险丝感应电路

    公开(公告)号：US20080157851A1

    公开(公告)日：2008-07-03

    申请号：US11872873

    申请日：2007-10-16

    申请人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil C. Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    发明人： Anthony Gus Aipperspach ,  David Howard Allen ,  Phil C. Paone ,  David Edward Schmitt ,  Gregory John Uhlmann

    IPC分类号： H01H37/76 ,  G11C17/16

    CPC分类号： G11C17/18 ,  G11C17/16 ,  H01L23/5252 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A design structure for electrically programmable fuse sense circuit having an electrically programmable fuse and a reference resistance. A first current source is coupled, through a first switch, to the electrically programmable fuse. A second current source is coupled, through a second switch, to the reference resistance. A precharge signal enables the first current source, the second current source and closes the first switch and the second switch, creating voltage drops across the electrically programmable fuse and the reference resistance. When the precharge signal goes inactive, the first current source and the second current source are shut off, and, at the same time the first switch and the second switch are opened. A latching circuit uses a difference in the voltage drops when the precharge signal goes inactive to store a state of the electrically programmable fuse, indicative of whether the electrically programmable fuse is blown or unblown.

    摘要翻译： 一种用于电可编程熔丝检测电路的设计结构，其具有电可编程熔丝和参考电阻。 第一电流源通过第一开关耦合到电可编程保险丝。 第二电流源通过第二开关耦合到参考电阻。 预充电信号使得第一电流源，第二电流源能够闭合第一开关和第二开关，从而在电可编程保险丝和参考电阻之间产生电压降。 当预充电信号不起作用时，第一电流源和第二电流源被切断，并且同时第一开关和第二开关断开。 当预充电信号无效以存储电可编程熔丝的状态时，锁存电路使用电压降的差异，指示电可编程熔丝是否被吹制或未被吹出。

    Method and circuit for implementing enhanced eFuse sense circuit
    5.
    发明授权
    Method and circuit for implementing enhanced eFuse sense circuit 失效
    实现增强型eFuse感应电路的方法和电路

    公开(公告)号：US07729188B2

    公开(公告)日：2010-06-01

    申请号：US12029010

    申请日：2008-02-11

    申请人： Anthony Gus Aipperspach ,  Phil Christopher Felice Paone ,  Brian Joy Reed ,  David Edward Schmitt ,  Gregory John Uhlmann

    发明人： Anthony Gus Aipperspach ,  Phil Christopher Felice Paone ,  Brian Joy Reed ,  David Edward Schmitt ,  Gregory John Uhlmann

    IPC分类号： G11C7/00

    CPC分类号： G11C17/18 ,  G11C7/062 ,  G11C7/065 ,  G11C17/16 ,  G11C29/026

    摘要： A method and circuit for implementing an eFuse sense amplifier, and a design structure on which the subject circuit resides are provided. A sensing circuit includes a pair of cross-coupled inverters, each formed by a pair of series connected P-channel field effect transistors (PFETs) and an N-channel field effect transistor (NFET). A first pull-up resistor is coupled between a positive voltage supply rail and a first sensing node of the sensing circuit. A second pull-up resistor is coupled between a positive voltage supply rail and a second sensing node of the sensing circuit. A first bitline is coupled to the first sensing node of the sensing circuit and a second bitline coupled to the second sensing node of the sensing circuit. One of a respective reference resistor and a respective eFuse cell is selectively coupled to the first bitline and the second bitline.

    摘要翻译： 一种用于实现eFuse读出放大器的方法和电路，以及设置有被摄体电路的设计结构。 感测电路包括一对交叉耦合的反相器，每个由一对串联的P沟道场效应晶体管（PFET）和N沟道场效应晶体管（NFET）形成。 第一上拉电阻耦合在正电压供电轨和感测电路的第一感测节点之间。 第二上拉电阻耦合在感测电路的正电压供电轨道和第二感测节点之间。 第一位线耦合到感测电路的第一感测节点，耦合到感测电路的第二感测节点的第二位线。 相应的参考电阻器和相应的eFuse单元之一选择性地耦合到第一位线和第二位线。

    Method and Circuit for Implementing Enhanced Efuse Sense Circuit
    9.
    发明申请
    Method and Circuit for Implementing Enhanced Efuse Sense Circuit 失效
    实现增强型感应电路的方法和电路

    公开(公告)号：US20090201756A1

    公开(公告)日：2009-08-13

    申请号：US12029010

    申请日：2008-02-11

    申请人： Anthony Gus Aipperspach ,  Phil Christopher Paone ,  Brian Joy Reed ,  David Edward Schmitt ,  Gregory John Uhlmann

    发明人： Anthony Gus Aipperspach ,  Phil Christopher Paone ,  Brian Joy Reed ,  David Edward Schmitt ,  Gregory John Uhlmann

    IPC分类号： G11C7/00 ,  G11C17/18

    CPC分类号： G11C17/18 ,  G11C7/062 ,  G11C7/065 ,  G11C17/16 ,  G11C29/026

    摘要： A method and circuit for implementing an eFuse sense amplifier, and a design structure on which the subject circuit resides are provided. A sensing circuit includes a pair of cross-coupled inverters, each formed by a pair of series connected P-channel field effect transistors (PFETs) and an N-channel field effect transistor (NFET). A first pull-up resistor is coupled between a positive voltage supply rail and a first sensing node of the sensing circuit. A second pull-up resistor is coupled between a positive voltage supply rail and a second sensing node of the sensing circuit. A first bitline is coupled to the first sensing node of the sensing circuit and a second bitline coupled to the second sensing node of the sensing circuit. One of a respective reference resistor and a respective eFuse cell is selectively coupled to the first bitline and the second bitline.

    摘要翻译： 一种用于实现eFuse读出放大器的方法和电路，以及设置有被摄体电路的设计结构。 感测电路包括一对交叉耦合的反相器，每个由一对串联的P沟道场效应晶体管（PFET）和N沟道场效应晶体管（NFET）形成。 第一上拉电阻耦合在正电压供电轨和感测电路的第一感测节点之间。 第二上拉电阻耦合在感测电路的正电压供电轨道和第二感测节点之间。 第一位线耦合到感测电路的第一感测节点，耦合到感测电路的第二感测节点的第二位线。 相应的参考电阻器和相应的eFuse单元之一选择性地耦合到第一位线和第二位线。