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    • 4. 发明申请
    • Semiconductor integrated circuit for voltage detection
    • 用于电压检测的半导体集成电路
    • US20080246540A1
    • 2008-10-09
    • US11878748
    • 2007-07-26
    • Masaki Okuda
    • Masaki Okuda
    • H01L25/00
    • H01L27/0682
    • A semiconductor integrated circuit includes a semiconductor substrate, one or more wells formed in the semiconductor substrate, one or more diffusion layers formed in the one or more wells, a plurality of interconnects formed in an interconnect layer, the one or more diffusion layers and the plurality of interconnects being connected in series to provide a coupling between a first potential and a second potential, and a comparison circuit coupled to one of the interconnects set at a third potential between the first potential and the second potential, and configured to compare the third potential with a reference potential, wherein a first interconnect of the plurality of interconnects that is set to the first potential is connected to at least a first well of the one or more wells and connected to a first diffusion layer of the one or more diffusion layers that is formed in the first well.
    • 半导体集成电路包括半导体衬底,形成在半导体衬底中的一个或多个阱,形成在一个或多个阱中的一个或多个扩散层,形成在互连层中的多个互连,一个或多个扩散层和 多个互连串联连接以提供第一电位和第二电位之间的耦合,以及比较电路,其耦合到设置在第一电位和第二电位之间的第三电位的互连中的一个,并且被配置为将第三电位 具有参考电位的电位,其中被设置为第一电位的多个互连的第一互连连接到所述一个或多个阱的至少第一阱并连接到所述一个或多个扩散层的第一扩散层 这是在第一口井中形成的。
    • 5. 发明授权
    • Semiconductor memory, test method of semiconductor memory and system
    • 半导体存储器,半导体存储器和系统的测试方法
    • US07675773B2
    • 2010-03-09
    • US12130480
    • 2008-05-30
    • Kaoru MoriToshikazu NakamuraJun OhnoMasaki Okuda
    • Kaoru MoriToshikazu NakamuraJun OhnoMasaki Okuda
    • G11C11/34
    • G11C8/18G11C11/401G11C11/406G11C11/40615G11C29/1201G11C29/18G11C29/48G11C2029/1802
    • An address switch circuit receives a row address signal supplied to a first address terminal group and a column address signal supplied to a second address terminal group. Further, the address switch circuit receives the row address signal supplied to the second address terminal group and thereafter receives the column address signal supplied to the second address terminal group and supplies the received row address signal and the received column address signal to the row decoder and the column decoder during a second operation mode. The number of semiconductor memories that are tested at once can be increased by executing an operation test of the semiconductor memories in the second operation mode. In addition, it becomes possible to test a semiconductor memory using test assets for other semiconductor memories. Consequently, the test efficiency can be improved, and the test cost can be reduced.
    • 地址开关电路接收提供给第一地址端子组的行地址信号和提供给第二地址端子组的列地址信号。 此外,地址开关电路接收提供给第二地址端子组的行地址信号,然后接收提供给第二地址端子组的列地址信号,并将接收到的行地址信号和接收的列地址信号提供给行解码器, 列解码器在第二操作模式期间。 可以通过在第二操作模式中执行半导体存储器的操作测试来增加一次测试的半导体存储器的数量。 此外,可以使用用于其他半导体存储器的测试资产来测试半导体存储器。 因此,可以提高测试效率,并且可以降低测试成本。
    • 6. 发明授权
    • Semiconductor device having a power supply capacitor
    • 具有电源电容器的半导体装置
    • US07427885B2
    • 2008-09-23
    • US11020169
    • 2004-12-27
    • Masaki Okuda
    • Masaki Okuda
    • G06F1/04
    • G06F1/26H01L2924/0002H01L2924/00
    • In order to prevent a signal of a signal wiring from receiving a bad influence due to a power supply capacitor, provided is a semiconductor including a high reference potential terminal and a low reference potential terminal composing power supply voltage terminals; a first MOS capacitor in which a gate of a p-channel MOS field effect transistor is connected to the low reference potential terminal, and a source and a drain are connected to the high reference potential terminal; and a first signal wiring connected to the gate via a parasitic capacitor and a signal in the low reference potential is supplied at the time of starting the power supply.
    • 为了防止信号线的信号由于电源电容器而受到不良影响,提供了包括构成电源电压端子的高参考电位端子和低基准电位端子的半导体; 第一MOS电容器,其中p沟道MOS场效应晶体管的栅极连接到低参考电势端子,源极和漏极连接到高参考电位端子; 并且在开始供电时提供经由寄生电容器连接到栅极的第一信号线和低基准电位的信号。
    • 7. 发明申请
    • Logical circuit
    • 逻辑电路
    • US20050168245A1
    • 2005-08-04
    • US11042335
    • 2005-01-26
    • Hiroyuki KobayashiMasaki Okuda
    • Hiroyuki KobayashiMasaki Okuda
    • H03K5/151H03K19/00H03K19/003H03K19/21
    • H03K5/1515H03K5/26H03K19/00323H03K19/21H03L7/0812H03L7/089
    • A logical circuit receives first and second input signals in which a period of a first logic level partially overlaps, and outputs first and second output signals in which a period of the first logic level does not overlap. The logical circuit comprises a first unit which changes a phase of the first output signal from a second logic level to the first logic level when a change of the first input signal from the second logic level to the first logic level is detected. A second unit changes a phase of the second output signal from the first logic level to the second logic level when the second input signal is detected as being at the first logic level at a time of detection of the change of the first input signal.
    • 逻辑电路接收第一和第二输入信号,其中第一逻辑电平的周期部分地重叠,并输出其中第一逻辑电平的周期不重叠的第一和第二输出信号。 逻辑电路包括第一单元,当从第二逻辑电平到第一逻辑电平的第一输入信号的改变被检测到时,将第一输出信号的相位从第二逻辑电平改变到第一逻辑电平。 当检测到第一输入信号的变化时,第二输入信号被检测为处于第一逻辑电平时,第二单元将第二输出信号的相位从第一逻辑电平改变为第二逻辑电平。
    • 8. 发明授权
    • Semiconductor memory device capable of simultaneously reading data and refreshing data
    • 能够同时读取数据和刷新数据的半导体存储器件
    • US06922750B2
    • 2005-07-26
    • US10046754
    • 2002-01-17
    • Masaki Okuda
    • Masaki Okuda
    • G01R31/28G06F12/16G11C7/10G11C11/401G11C11/406G11C11/4096G11C29/42G06F12/00
    • G11C7/1006G11C11/406G11C11/4096
    • A semiconductor memory device is capable of simultaneously reading data and refreshing data and checking whether a data restoring function is operating normally. A data inputting circuit receives data inputted from an external circuit. A parity generating circuit generates parity data from the data input from the data inputting circuit. A memory stores the data input from the data inputting circuit and the parity data generated by the parity generating circuit. A refreshing circuit refreshes the memory. A reading circuit reads the data from the memory. A restoring circuit restores data to be refreshed by the refreshing circuit from other data read normally and corresponding parity data, while the reading circuit is reading data. A data outputting circuit outputs the data read by the reading circuit and the data restored by the restoring circuit. A parity outputting circuit directly reads and outputs the parity data stored in the memory.
    • 半导体存储器件能够同时读取数据和刷新数据,并检查数据恢复功能是否正常工作。 数据输入电路接收从外部电路输入的数据。 奇偶生成电路从数据输入电路输入的数据生成奇偶校验数据。 存储器存储从数据输入电路输入的数据和由奇偶产生电路产生的奇偶校验数据。 刷新电路刷新内存。 读取电路从存储器读取数据。 当读取电路正在读取数据时,恢复电路恢复由正常读取的其他数据和对应的奇偶校验数据由刷新电路刷新的数据。 数据输出电路输出由读取电路读取的数据和由恢复电路恢复的数据。 奇偶校验输出电路直接读取并输出存储在存储器中的奇偶校验数据。
    • 10. 发明授权
    • Semiconductor device
    • 半导体器件
    • US07557645B2
    • 2009-07-07
    • US11802455
    • 2007-05-23
    • Masaki Okuda
    • Masaki Okuda
    • H01L25/00
    • G06F1/26H01L2924/0002H01L2924/00
    • In order to prevent a signal of a signal wiring from receiving a bad influence due to a power supply capacitor, provided is a semiconductor including a high reference potential terminal and a low reference potential terminal composing power supply voltage terminals; a first MOS capacitor in which a gate of a p-channel MOS field effect transistor is connected to the low reference potential terminal, and a source and a drain are connected to the high reference potential terminal; and a first signal wiring connected to the gate via a parasitic capacitor and a signal in the low reference potential is supplied at the time of starting the power supply.
    • 为了防止信号线的信号由于电源电容器而受到不良影响,提供了包括构成电源电压端子的高参考电位端子和低基准电位端子的半导体; 第一MOS电容器,其中p沟道MOS场效应晶体管的栅极连接到低参考电势端子,源极和漏极连接到高参考电位端子; 并且在开始供电时提供经由寄生电容器连接到栅极的第一信号线和低基准电位的信号。