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    • 3. 发明申请
    • SEMICONDUCTOR STORAGE DEVICE
    • 半导体存储设备
    • US20090016139A1
    • 2009-01-15
    • US12169873
    • 2008-07-09
    • Kazuhiro TeramotoYoji IdeiTakenori SatoHiroki Fujisawa
    • Kazuhiro TeramotoYoji IdeiTakenori SatoHiroki Fujisawa
    • G11C5/14
    • G11C5/14G11C7/08G11C11/4091
    • A semiconductor storage device is provided which enables use of an overdrive method at low voltage and for a small device area. The semiconductor device includes: memory cells; sense amplifiers, each having P-channel and N-channel MOS transistors and amplifying a signal read from a memory cell; a first power supply line connected to a source terminal of the P-channel MOS transistor provided in each of the sense amplifiers; a second power supply line which supplies an overdrive voltage to the sense amplifiers at a potential higher than a write potential of the memory cell; a third power supply line connected to an external power supply, a connection element which connects and disconnects the first power supply line and the second power supply line; a capacitance element connected to the second power supply line; and a resistance element inserted between the second power supply line and the third power supply line.
    • 提供一种半导体存储装置,其能够在低电压和小的装置区域中使用过驱动方法。 半导体器件包括:存储单元; 读出放大器,每个具有P沟道和N沟道MOS晶体管,并放大从存储单元读取的信号; 连接到设置在每个读出放大器中的P沟道MOS晶体管的源极端子的第一电源线; 第二电源线,其以比存储单元的写入电位高的电位向读出放大器提供过驱动电压; 连接到外部电源的第三电源线,连接和断开第一电源线和第二电源线的连接元件; 连接到第二电源线的电容元件; 以及插入在第二电源线和第三电源线之间的电阻元件。
    • 4. 发明授权
    • Semiconductor storage device
    • 半导体存储设备
    • US07719911B2
    • 2010-05-18
    • US12169873
    • 2008-07-09
    • Kazuhiro TeramotoYoji IdeiTakenori SatoHiroki Fujisawa
    • Kazuhiro TeramotoYoji IdeiTakenori SatoHiroki Fujisawa
    • G11C7/00
    • G11C5/14G11C7/08G11C11/4091
    • A semiconductor storage device is provided which enables use of an overdrive method at low voltage and for a small device area. The semiconductor device includes: memory cells; sense amplifiers, each having P-channel and N-channel MOS transistors and amplifying a signal read from a memory cell; a first power supply line connected to a source terminal of the P-channel MOS transistor provided in each of the sense amplifiers; a second power supply line which supplies an overdrive voltage to the sense amplifiers at a potential higher than a write potential of the memory cell; a third power supply line connected to an external power supply, a connection element which connects and disconnects the first power supply line and the second power supply line; a capacitance element connected to the second power supply line; and a resistance element inserted between the second power supply line and the third power supply line.
    • 提供一种半导体存储装置,其能够在低电压和小的装置区域中使用过驱动方法。 半导体器件包括:存储单元; 读出放大器,每个具有P沟道和N沟道MOS晶体管,并放大从存储单元读取的信号; 连接到设置在每个读出放大器中的P沟道MOS晶体管的源极端子的第一电源线; 第二电源线,其以比存储单元的写入电位高的电位向读出放大器提供过驱动电压; 连接到外部电源的第三电源线,连接和断开第一电源线和第二电源线的连接元件; 连接到第二电源线的电容元件; 以及插入在第二电源线和第三电源线之间的电阻元件。
    • 6. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE
    • 半导体存储器件
    • US20090016126A1
    • 2009-01-15
    • US12170561
    • 2008-07-10
    • Kazuhiro TeramotoYoji IdeiTakenori Sato
    • Kazuhiro TeramotoYoji IdeiTakenori Sato
    • G11C7/00G11C8/08
    • G11C29/02G11C29/025G11C29/50008G11C2029/1204G11C2029/5006
    • A semiconductor memory device is provided that is capable of detecting a short circuit defect to be detected in a memory array without causing an error due to off-current of a sense amplifier circuit. Sense amplifier circuits amplify a potential between a pair of bit lines, which occurs based on potential of memory cells selected by driving word lines and bit lines. Selection transistors are provided between the bit lines and the sense amplifier circuits. A word-SE interval control circuit included in an X timing generating circuit turns off the selection transistors and disconnects the bit lines from the sense amplifier circuits based on a signal representing a test state for expanded time when a test to expand an interval between word line driving and activation of the sense amplifier circuits and detect defect sites of the bit lines is performed.
    • 提供一种半导体存储器件,其能够检测在存储器阵列中要检测的短路缺陷,而不会由于读出放大器电路的截止电流而引起误差。 感测放大器电路根据通过驱动字线和位线选择的存储器单元的电位放大一对位线之间的电位。 选择晶体管设置在位线和读出放大器电路之间。 包括在X定时发生电路中的字SE间隔控制电路关闭选择晶体管,并且当扩展字线之间的间隔的测试时,基于表示用于扩展时间的测试状态的信号,从读出放大器电路断开位线 执行感测放大器电路的驱动和激活并检测位线的缺陷位置。
    • 7. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08331165B2
    • 2012-12-11
    • US12909016
    • 2010-10-21
    • Kazuhiro Teramoto
    • Kazuhiro Teramoto
    • G11C5/14
    • G11C11/4093G11C7/02G11C7/1066G11C7/222G11C11/4076
    • A semiconductor device includes a plurality of first output terminals 1-13 and a plurality of first output circuits 203,204 provided corresponding to each of the plurality of first output terminals and coupled to a corresponding first output terminal. The semiconductor device further includes a second output circuit 201 coupled to a second output terminal DQS. The second output circuit automatically adjusts a slew rate based on the state transitions of the plurality of first output circuits. The second output circuit adjusts the slew rate from a first state to a second state based on a transition from first data outputted from the first output circuit to second data following said first data. The second output circuit outputs data in synchronization with the second data with a slew rate in said second state.
    • 半导体器件包括多个第一输出端子1-13和与多个第一输出端子中的每一个相对应地设置并耦合到相应的第一输出端子的多个第一输出电路203,204。 半导体器件还包括耦合到第二输出端子DQS的第二输出电路201。 第二输出电路基于多个第一输出电路的状态转换自动调整转换速率。 第二输出电路基于从第一输出电路输出的第一数据到所述第一数据之后的第二数据的转变,将转换速率从第一状态调整到第二状态。 第二输出电路在第二状态下以转换速率与第二数据同步地输出数据。
    • 8. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • US20110096613A1
    • 2011-04-28
    • US12909016
    • 2010-10-21
    • Kazuhiro Teramoto
    • Kazuhiro Teramoto
    • G11C7/22H03K19/003
    • G11C11/4093G11C7/02G11C7/1066G11C7/222G11C11/4076
    • A semiconductor device includes a plurality of first output terminals 1-13 and a plurality of first output circuits 203,204 provided corresponding to each of the plurality of first output terminals and coupled to a corresponding first output terminal. The semiconductor device further includes a second output circuit 201 coupled to a second output terminal DQS. The second output circuit automatically adjusts a slew rate based on the state transitions of the plurality of first output circuits. The second output circuit adjusts the slew rate from a first state to a second state based on a transition from first data outputted from the first output circuit to second data following said first data. The second output circuit outputs data in synchronization with the second data with a slew rate in said second state.
    • 半导体器件包括多个第一输出端子1-13和与多个第一输出端子中的每一个相对应地设置并耦合到相应的第一输出端子的多个第一输出电路203,204。 半导体器件还包括耦合到第二输出端子DQS的第二输出电路201。 第二输出电路基于多个第一输出电路的状态转换自动调整转换速率。 第二输出电路基于从第一输出电路输出的第一数据到所述第一数据之后的第二数据的转变,将转换速率从第一状态调整到第二状态。 第二输出电路在第二状态下以转换速率与第二数据同步地输出数据。
    • 9. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US07649790B2
    • 2010-01-19
    • US12170561
    • 2008-07-10
    • Kazuhiro TeramotoYoji IdeiTakenori Sato
    • Kazuhiro TeramotoYoji IdeiTakenori Sato
    • G11C29/00
    • G11C29/02G11C29/025G11C29/50008G11C2029/1204G11C2029/5006
    • A semiconductor memory device is provided that is capable of detecting a short circuit defect to be detected in a memory array without causing an error due to off-current of a sense amplifier circuit. Sense amplifier circuits amplify a potential between a pair of bit lines, which occurs based on potential of memory cells selected by driving word lines and bit lines. Selection transistors are provided between the bit lines and the sense amplifier circuits. A word-SE interval control circuit included in an X timing generating circuit turns off the selection transistors and disconnects the bit lines from the sense amplifier circuits based on a signal representing a test state for expanded time when a test to expand an interval between word line driving and activation of the sense amplifier circuits and detect defect sites of the bit lines is performed.
    • 提供一种半导体存储器件,其能够检测在存储器阵列中要检测的短路缺陷,而不会由于读出放大器电路的截止电流而引起误差。 感测放大器电路根据通过驱动字线和位线选择的存储器单元的电位放大一对位线之间的电位。 选择晶体管设置在位线和读出放大器电路之间。 包括在X定时发生电路中的字SE间隔控制电路关闭选择晶体管,并且当扩展字线之间的间隔的测试时,基于表示用于扩展时间的测试状态的信号,从读出放大器电路断开位线 执行感测放大器电路的驱动和激活并检测位线的缺陷位置。