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    • 5. 发明申请
    • Circuit And Method Using Distributed Phase Change Elements For Across-Chip Temperature Profiling
    • 用于跨芯片温度分布的分布相变元件的电路和方法
    • US20090282375A1
    • 2009-11-12
    • US12117784
    • 2008-05-09
    • Nazmul HabibMark C.H. LamoreyThomas M. MaffittRobert McMahon
    • Nazmul HabibMark C.H. LamoreyThomas M. MaffittRobert McMahon
    • G06F17/50G01K3/00
    • G01K3/14G01K7/006G01K7/425
    • Disclosed is an across-chip temperature sensing circuit and an associated method that can be used to profile the across-chip temperature gradient. The embodiments incorporate a plurality of phase change elements distributed approximately evenly across the semiconductor chip. These phase change elements are programmed to have essentially the same amorphous resistance. Temperature-dependent behavior exhibited by each of the phase change elements individually is compared to a reference (e.g., generated by a discrete reference phase change element, generated by another one of the phase change elements, or generated by an external reference) in order to profile the temperature gradient across the semiconductor chip. Once profiled, this temperature gradient can be used to redesign and/or relocate functional cores, to set stress limits for qualification of functional cores and/or to adjust operating specifications of functional cores.
    • 公开了一种跨芯片温度感测电路及其相关方法,可用于对片内温度梯度进行分析。 这些实施例结合了大致均匀分布在半导体芯片上的多个相变元件。 这些相变元件被编程为具有基本上相同的无定形电阻。 每个相变元件单独表现出的温度相关行为与参考(例如,由离散参考相变元件产生,由另一个相变元件产生或由外部参考产生)相比较,以便 描述半导体芯片上的温度梯度。 一旦进行了分析,该温度梯度可用于重新设计和/或重新定位功能核心,为功能核心的鉴定和/或调整功能核心的操作规范设定应力限制。
    • 7. 发明申请
    • NON VOLATILE CELL AND ARCHITECTURE WITH SINGLE BIT RANDOM ACCESS READ, PROGRAM AND ERASE
    • 非易失性单元和单个单元随机访问阅读,程序和删除的架构
    • US20110116312A1
    • 2011-05-19
    • US12619771
    • 2009-11-17
    • Chung H. LamMark C.H. LamoreyThomas M. Maffitt
    • Chung H. LamMark C.H. LamoreyThomas M. Maffitt
    • G11C16/04
    • G11C16/0475G11C16/10
    • One embodiment is a non-volatile memory cell with random access read, program, and erase. The memory cell includes a cell transistor that includes a source region, a drain region, a first insulating spacer, and a second insulating spacer. The memory cell also includes a source-side transistor, a drain-side transistor, a source-side multiplexer, a drain-side multiplexer, a source-side sense amplifier, and a drain-side write driver. A first binary value is stored in a first bit in the memory cell by trapping or releasing a first electric charge in the first insulating spacer. The first bit is read by sensing the resistive change in the cell transistor or by sensing the threshold voltage change in the cell transistor.
    • 一个实施例是具有随机访问读取,编程和擦除的非易失性存储单元。 存储单元包括一个单元晶体管,它包括一个源极区,一个漏极区,一个第一绝缘间隔物和一个第二绝缘隔离物。 存储单元还包括源极晶体管,漏极侧晶体管,源极侧多路复用器,漏极侧多路复用器,源极侧读出放大器和漏极侧写入驱动器。 通过在第一绝缘间隔物中捕获或释放第一电荷,将第一二进制值存储在存储器单元中的第一位中。 通过感测单元晶体管中的电阻变化或通过感测单元晶体管中的阈值电压变化来读取第一位。
    • 9. 发明申请
    • APPARATUS AND METHOD FOR IMPLEMENTING PRECISE SENSING OF PCRAM DEVICES
    • 用于实施PCRAM设备精密感测的装置和方法
    • US20090086534A1
    • 2009-04-02
    • US11865134
    • 2007-10-01
    • John K. DeBrosseThomas M. MaffittMark C.H. Lamorey
    • John K. DeBrosseThomas M. MaffittMark C.H. Lamorey
    • G11C11/00G11C7/00G11C7/10
    • G11C29/02G11C7/062G11C7/067G11C13/0004G11C13/004G11C29/026G11C29/028G11C2013/0054
    • A precision sense amplifier apparatus includes a current source configured to introduce an adjustable reference current through a reference leg; a current mirror configured to mirror the reference current to a data leg, the data leg selectively coupled to a programmable resistance memory element; an active clamping device coupled to the data leg, and configured to clamp a fixed voltage across the memory element, thereby establishing a fixed current sinking capability thereof; and a differential sense amplifier having a first input thereof coupled to the data leg and a second input thereof coupled to the reference leg; wherein an output of the differential sense amplifier assumes a first logic state whenever the reference current is less than the fixed current sinking capability of the memory element, and assumes a second logic state whenever the reference current exceeds the fixed current sinking capability.
    • 精密读出放大器装置包括:电流源,被配置为通过参考支路引入可调参考电流; 配置为将参考电流镜像到数据支路的电流镜,所述数据支路选择性地耦合到可编程电阻存储元件; 耦合到所述数据支脚的有源钳位装置,并且被配置为在所述存储元件上钳位固定电压,由此建立其固定的电流吸收能力; 以及差分读出放大器,其具有耦合到所述数据支路的第一输入端和耦合到所述基准支路的第二输入端; 其中每当所述参考电流小于所述存储元件的固定电流吸收能力时,所述差分读出放大器的输出呈现第一逻辑状态,并且每当所述参考电流超过所述固定电流吸收能力时,所述差分读出放大器的输出呈现第二逻辑状态。
    • 10. 发明申请
    • DESIGN STRUCTURE FOR INTEGRATING NONVOLATILE MEMORY CAPABILITY WITHIN SRAM DEVICES
    • 在SRAM器件中集成非易失性存储器容量的设计结构
    • US20080229269A1
    • 2008-09-18
    • US11849550
    • 2007-09-04
    • Mark C.H. Lamorey
    • Mark C.H. Lamorey
    • G06F17/50
    • G11C14/0081
    • A design structure embodied in a machine readable medium used in a design process includes a nonvolatile static random access memory (SRAM) device, including a pair of cross-coupled, complementary metal oxide semiconductor (CMOS) inverters configured as a storage cell for a bit of data; and a pair of magnetic spin transfer devices coupled to opposing sides of the storage cell; wherein the magnetic spin transfer devices are configured to retain the storage cell data therein following removal of power to the SRAM device, and are further configured to initialize the storage cell with the retained data upon application of power to the SRAM device.
    • 体现在设计过程中使用的机器可读介质中的设计结构包括非易失性静态随机存取存储器(SRAM)器件,其包括一对交叉耦合的互补金属氧化物半导体(CMOS)反相器,其配置为用于位的存储单元 数据的; 以及耦合到所述存储单元的相对侧的一对磁性自旋转移装置; 其中所述磁自旋转移装置被配置为在去除所述SRAM装置的电力之后将所述存储单元数据保持在其中,并且还被配置为在向所述SRAM装置施加电力时利用所述保留的数据初始化所述存储单元。