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    • 43. 发明授权
    • Oscillator
    • 振荡器
    • US08643358B2
    • 2014-02-04
    • US13171046
    • 2011-06-28
    • Jang Hwan Yoon
    • Jang Hwan Yoon
    • G01R19/00
    • G01R19/0092H03K3/0231H03L1/00
    • An oscillator includes a reference voltage generator configured to generate a reference voltage varying according a change in temperature and an external voltage, a first comparison voltage generator configured to output a first comparison voltage to a first node in response to the reference voltage, a second comparison voltage generator configured to output a second comparison voltage to a second node in response to the reference voltage, a first comparison circuit configured to compare the reference voltage and the first comparison voltage and to generate a first input voltage as a result of the comparison, a second comparison circuit configured to compare the reference voltage and the second comparison voltage and to generate a second input voltage as a result of the comparison, and a clock generator configured to output a clock signal that oscillates in response to the first and second input voltages.
    • 振荡器包括参考电压发生器,其被配置为产生根据温度变化和外部电压而变化的参考电压;第一比较电压发生器,被配置为响应于参考电压将第一比较电压输出到第一节点;第二比较 电压发生器,其被配置为响应于参考电压将第二比较电压输出到第二节点;第一比较电路,被配置为比较所述参考电压和所述第一比较电压,并且作为所述比较的结果产生第一输入电压; 第二比较电路,被配置为比较参考电压和第二比较电压,并且作为比较的结果产生第二输入电压;以及时钟发生器,被配置为输出响应于第一和第二输入电压而振荡的时钟信号。
    • 45. 发明授权
    • Temperature detection circuit of semiconductor memory apparatus
    • 半导体存储装置的温度检测电路
    • US08625375B2
    • 2014-01-07
    • US13664971
    • 2012-10-31
    • Hynix Semiconductor Inc.
    • Je-Yoon KimJong C. Lee
    • G11C7/04
    • G11C7/04G11C11/406G11C11/40626
    • A temperature detection circuit of a semiconductor memory apparatus includes a fixed period oscillator, a temperature variable signal generating unit and a counting unit. The oscillator is configured to generate a fixed period oscillator signal when an enable signal is enabled. The temperature variable signal generating unit is configured to generate a temperature variable signal whose enable interval varies based on temperature variations, when the enable signal is enabled. The counting unit is configured to count the oscillator signal during the enable interval of the temperature variable signal to generate a temperature information signal.
    • 半导体存储装置的温度检测电路包括固定周期振荡器,温度可变信号发生单元和计数单元。 振荡器被配置为当启用使能信号时产生固定周期振荡器信号。 温度可变信号发生单元被配置为当使能信号被使能时,产生其使能间隔基于温度变化而变化的温度可变信号。 计数单元被配置为在温度可变信号的使能间隔期间对振荡器信号进行计数,以产生温度信息信号。
    • 49. 发明授权
    • Nonvolatile memory device and operation method thereof
    • 非易失性存储器件及其操作方法
    • US08599594B2
    • 2013-12-03
    • US13683331
    • 2012-11-21
    • Hynix Semiconductor Inc.
    • Jin Su Park
    • G11C15/00G11C11/34
    • G11C15/046G11C16/0483G11C16/10
    • A nonvolatile memory device includes at least a memory cell block including memory cells that are coupled to a plurality of word lines, respectively, and store data; a content addressable memory (CAM) block including CAM cells that are coupled to the word lines, respectively, and store chip information for operations of the nonvolatile memory device; and a block switching circuit configured to couple the word lines with global word lines; and a voltage supply circuit coupled to the global word lines, for supplying a first read voltage to a selected global word line while supplying a first pass voltage to unselected global word lines in reading the memory cell block, and supplying a second read voltage to a selected global word line while supplying a second pass voltage to unselected global word lines in reading the CAM block, wherein the second pass voltage is lower than the first pass voltage.
    • 非易失性存储器件至少包括存储单元块,其包括分别耦合到多个字线的存储器单元并存储数据; 包括分别耦合到字线的CAM单元的内容可寻址存储器(CAM)块,并且存储用于非易失性存储器件的操作的芯片信息; 以及块切换电路,被配置为将所述字线与全局字线耦合; 以及耦合到全局字线的电压供应电路,用于在读取存储器单元块时向未选择的全局字线提供第一通过电压,同时向选定的全局字线提供第一读取电压,并将第二读取电压提供给 同时在读取CAM块时向未选择的全局字线提供第二通过电压,其中第二通过电压低于第一通过电压。