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    • 4. 发明授权
    • Non-volatile memory crosspoint repair
    • 非易失性存储器交叉点修复
    • US08811060B2
    • 2014-08-19
    • US13485748
    • 2012-05-31
    • Geoffrey W. BurrRohit S. ShenoyKailash Gopalakrishnan
    • Geoffrey W. BurrRohit S. ShenoyKailash Gopalakrishnan
    • G11C11/00G11C13/00
    • G11C13/0069G11C13/0002G11C13/0004G11C13/003G11C17/165
    • A device for use with a memory cross-point array of elements, each of which comprises a selection device in series with a state-holding device, in one embodiment includes a controller, configured to apply at least one voltage and/or current pulse to a selected one or more of the elements, said selected one or more of the elements including a partially- or completely-shorted selection device, so that said partially- or completely-shorted selection device passes enough current so as to damage its corresponding state-holding device and place said corresponding state-holding device in a highly resistive state, while any other selection device that is not partially- or completely-shorted passes less current so that the state-holding device corresponding to said other selection device remains unaffected. Additional systems and methods are also presented.
    • 一种与存储器交叉点阵列元件一起使用的装置,每个元件包括与状态保持装置串联的选择装置,在一个实施例中包括控制器,被配置为将至少一个电压和/或电流脉冲施加到 所选择的一个或多个元件,所述选定的一个或多个元件包括部分或完全短路的选择装置,使得所述部分或完全短路的选择装置通过足够的电流,以便损坏其对应的状态 - 并且将所述对应的状态保持装置置于高电阻状态,而没有部分或全部短路的任何其他选择装置通过较少电流,使得与所述其他选择装置对应的状态保持装置保持不受影响。 还介绍了其他系统和方法。
    • 6. 发明申请
    • ELECTRONIC LEARNING SYNAPSE WITH SPIKE-TIMING DEPENDENT PLASTICITY USING MEMORY-SWITCHING ELEMENTS
    • 使用存储器切换元件的SPIKE-TIMING相关塑料的电子学习实验
    • US20120265719A1
    • 2012-10-18
    • US13527043
    • 2012-06-19
    • Dharmendra S. ModhaRohit S. Shenoy
    • Dharmendra S. ModhaRohit S. Shenoy
    • G06F15/18H03K3/00
    • G06N3/049G06N3/0635
    • A system, method and computer program product produce spike-dependent plasticity in an artificial synapse. A method includes: an electronic device generating a pre-synaptic pulse that occurs a predetermined period of time after receiving a pre-synaptic spike at a first input. The electronic device generating a post-synaptic pulse that starts at a baseline value and reaches a first voltage value a first period of time after receiving a post-synaptic spike at a second input, followed by a second voltage value a second period of time after the post synaptic spike, followed by a return to said baseline voltage a third period of time after the post-synaptic spike. The generated pre-synaptic pulse is applied to a pre-synaptic node of a synaptic device in series with a rectifying element that has a turn-on voltage based on a threshold. The generated post-synaptic pulse is applied to a post-synaptic node of said synaptic device.
    • 系统,方法和计算机程序产品在人造突触中产生尖峰依赖的可塑性。 一种方法包括:电子装置,其在接收到在第一输入端的突触前尖峰之前产生预定时间段的预触发脉冲。 所述电子设备产生突触后脉冲,其在基线值开始并在第二输入接收到突触后尖峰之后的第一时间段达到第一电压值,之后是在第二时间段之后的第二电压值 后突触尖峰,之后是在突触后尖峰之后的第三个时间段内返回到所述基线电压。 产生的突触前脉冲被施加到突触装置的突触前节点,其与具有基于阈值的导通电压的整流元件串联。 产生的突触后脉冲被施加到所述突触装置的突触后节点。
    • 7. 发明申请
    • ELECTRONIC LEARNING SYNAPSE WITH SPIKE-TIMING DEPENDENT PLASTICITY USING UNIPOLAR MEMORY-SWITCHING ELEMENTS
    • 使用单核存储器切换元件的具有SPIKE时序依赖性塑性的电子学习算法
    • US20100299296A1
    • 2010-11-25
    • US12470403
    • 2009-05-21
    • Dharmendra S. ModhaRohit S. Shenoy
    • Dharmendra S. ModhaRohit S. Shenoy
    • G06N3/08G06N3/04G06N3/063
    • G06N3/049G06N3/0635
    • According to embodiments of the invention, a system, method and computer program product producing spike-dependent plasticity in an artificial synapse. In an embodiment, a method includes: receiving a pre-synaptic spike in an electronic component; receiving a post-synaptic spike in the electronic component; in response to the pre-synaptic spike, generating a pre-synaptic pulse that occurs a predetermined period of time after the received pre-synaptic spike; in response to the post-synaptic spike, generating a post-synaptic pulse that starts at a baseline value and reaches a first voltage value a first period of time after the post-synaptic spike, followed by a second voltage value a second period of time after the post synaptic spike, followed by a return to the baseline voltage a third period of time after the post-synaptic spike; applying the generated pre-synaptic pulse to a pre-synaptic node of a synaptic device that includes a uni-polar, two-terminal bi-stable device in series with a rectifying element; and applying the generated post-synaptic pulse to a post-synaptic node of the synaptic device, wherein the synaptic device changes from a first conductive state to a second conductive state based on the value of input voltage applied to its pre and post-synaptic nodes, wherein the resultant state of the conductance of the synaptic device after the pre- and post-synaptic pulses are applied thereto depends on the relative timing of the received pre-synaptic spike with respect to the post synaptic spike.
    • 根据本发明的实施例,在人造突触中产生尖峰依赖可塑性的系统,方法和计算机程序产品。 在一个实施例中,一种方法包括:在电子部件中接收突触前突起; 接收电子元件中的突触后尖峰; 响应于突触前尖峰,产生在接收到的突触前尖峰之后发生预定时间段的突触前脉冲; 响应于突触后尖峰,产生在基线值开始并在突触后尖峰之后的第一时间段达到第一电压值的后突触后脉冲,随后是第二时间段的第二电压值 后突触尖峰后,再次回到基线电压第三个时间段后突触后尖峰; 将产生的突触前脉冲应用于包括与整流元件串联的单极性双端双稳态器件的突触器件的突触前节点; 以及将所产生的突触后脉冲应用于所述突触装置的突触后结点,其中所述突触装置基于施加到其前和后突触节点的输入电压的值从第一导通状态改变到第二导通状态 其中将突触前装置和突触后脉冲之后的突触装置的电导的结果状态施加到其上取决于所接收的突触前尖峰相对于突触后尖峰的相对时间。
    • 9. 发明授权
    • Electronic learning synapse with spike-timing dependent plasticity using memory-switching elements
    • 使用存储器开关元件的具有尖峰时序依赖性塑性的电子学习突触
    • US08682822B2
    • 2014-03-25
    • US13527043
    • 2012-06-19
    • Dharmendra S. ModhaRohit S. Shenoy
    • Dharmendra S. ModhaRohit S. Shenoy
    • G06F15/18G06N3/08
    • G06N3/049G06N3/0635
    • A system, method and computer program product produce spike-dependent plasticity in an artificial synapse. A method includes: an electronic device generating a pre-synaptic pulse that occurs a predetermined period of time after receiving a pre-synaptic spike at a first input. The electronic device generating a post-synaptic pulse that starts at a baseline value and reaches a first voltage value a first period of time after receiving a post-synaptic spike at a second input, followed by a second voltage value a second period of time after the post synaptic spike, followed by a return to said baseline voltage a third period of time after the post-synaptic spike. The generated pre-synaptic pulse is applied to a pre-synaptic node of a synaptic device in series with a rectifying element that has a turn-on voltage based on a threshold. The generated post-synaptic pulse is applied to a post-synaptic node of said synaptic device.
    • 系统,方法和计算机程序产品在人造突触中产生尖峰依赖的可塑性。 一种方法包括:电子装置,其在接收到在第一输入端的突触前尖峰之前产生预定时间段的预触发脉冲。 所述电子设备产生突触后脉冲,其在基线值开始并在第二输入接收到突触后尖峰之后的第一时间段达到第一电压值,之后是在第二时间段之后的第二电压值 后突触尖峰,之后是在突触后尖峰之后的第三个时间段内返回到所述基线电压。 产生的突触前脉冲被施加到突触装置的突触前节点,其与具有基于阈值的导通电压的整流元件串联。 产生的突触后脉冲被施加到所述突触装置的突触后节点。
    • 10. 发明申请
    • NON-VOLATILE MEMORY CROSSPOINT REPAIR
    • 非挥发性记忆修复修复
    • US20130322153A1
    • 2013-12-05
    • US13485748
    • 2012-05-31
    • Geoffrey W. BurrKailash GopalakrishnanRohit S. Shenoy
    • Geoffrey W. BurrKailash GopalakrishnanRohit S. Shenoy
    • G11C11/00
    • G11C13/0069G11C13/0002G11C13/0004G11C13/003G11C17/165
    • A device for use with a memory cross-point array of elements, each of which comprises a selection device in series with a state-holding device, in one embodiment includes a controller, configured to apply at least one voltage and/or current pulse to a selected one or more of the elements, said selected one or more of the elements including a partially- or completely-shorted selection device, so that said partially- or completely-shorted selection device passes enough current so as to damage its corresponding state-holding device and place said corresponding state-holding device in a highly resistive state, while any other selection device that is not partially- or completely-shorted passes less current so that the state-holding device corresponding to said other selection device remains unaffected. Additional systems and methods are also presented.
    • 一种与存储器交叉点阵列元件一起使用的装置,每个元件包括与状态保持装置串联的选择装置,在一个实施例中包括控制器,被配置为将至少一个电压和/或电流脉冲施加到 所选择的一个或多个元件,所述选定的一个或多个元件包括部分或完全短路的选择装置,使得所述部分或完全短路的选择装置通过足够的电流,以便损坏其对应的状态 - 并且将所述对应的状态保持装置置于高电阻状态,而没有部分或全部短路的任何其他选择装置通过较少电流,使得与所述其他选择装置对应的状态保持装置保持不受影响。 还介绍了其他系统和方法。