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    • 3. 发明授权
    • Sense-amplifier control circuit and controlling method of sense amplifier
    • 感应放大器控制电路及读出放大器的控制方法
    • US08067963B2
    • 2011-11-29
    • US12565478
    • 2009-09-23
    • Seiro ImaiTsuneaki Fuse
    • Seiro ImaiTsuneaki Fuse
    • G01R19/00
    • H03F3/45179
    • A sense amplifier control circuit includes an initial-voltage setting circuit configured to set a control signal to an initial voltage, the control signal controlling a sensing operation of a sense amplifier, and a control-signal-level adjusting circuit configured to first change a voltage level of the control signal from the initial voltage to a voltage level at which the sense amplifier can execute a current sensing, and is configured to second change, after a predetermined time elapses, the voltage level at which the sense amplifier can execute the current sensing to a voltage level at which the sense amplifier can execute a voltage sensing.
    • 读出放大器控制电路包括初始电压设定电路,其被配置为将控制信号设定为初始电压,控制信号控制感测放大器的感测操作,以及控制信号电平调整电路,其被配置为首先改变电压 控制信号的电平从初始电压到读出放大器可以执行电流检测的电压电平,并且被配置为在预定时间过去之后进行第二次改变,读出放大器可以执行电流感测的电压电平 到感测放大器可以执行电压感测的电压电平。
    • 4. 发明授权
    • Level converter circuit
    • 电平转换电路
    • US06466054B2
    • 2002-10-15
    • US09811699
    • 2001-03-20
    • Atsushi KameyamaTsuneaki FuseKazunori OhuchiMasako Yoshida
    • Atsushi KameyamaTsuneaki FuseKazunori OhuchiMasako Yoshida
    • H03K190175
    • H03K19/018521
    • A level converter circuit includes two p-channel MOSFETs and two n-channel MOSFETs of gate-grounded type which receive complementary signals from a logic circuit, p-channel cross-coupled FETs, and n-channel cross-coupled FETs. The two FETs constructing each cross-coupled FETs can be driven by complementary inputs by supplying an output of the logic circuit operated on a low voltage and a logically inverted output thereof to each cross-coupled FETs via the gate-grounded FETs, and as a result, the gain characteristic of the cross-coupled FETs can be enhanced. The level converter circuit with low power consumption which has large tolerance for the element characteristic and converts a logic level which is as low as approximately 0.5V to approximately 1V to 3V which is a normal logic level.
    • 电平转换器电路包括两个p沟道MOSFET和栅极接地型的两个n沟道MOSFET,其接收来自逻辑电路,p沟道交叉耦合FET和n沟道交叉耦合FET的互补信号。 构成每个交叉耦合FET的两个FET可以通过互补输入来驱动,该逻辑电路通过栅极接地的FET将低电压和逻辑反相输出的输出提供给每个交叉耦合的FET,并且作为 结果,可以提高交叉耦合FET的增益特性。 具有低功耗的电平转换器电路,其具有对元件特性的较大容差,并将低至约0.5V至大约1V至3V的逻辑电平转换为大约1V至3V,这是正常逻辑电平。
    • 6. 发明授权
    • Integrated circuit with stacked sub-circuits between Vcc and ground so
as to conserve power and reduce the voltage across any one transistor
    • 集成电路,具有Vcc和地之间的堆叠子电路,以节省功率并降低任何一个晶体管的电压
    • US5867040A
    • 1999-02-02
    • US593275
    • 1996-01-29
    • Tsuneaki FuseYukihito Oowaki
    • Tsuneaki FuseYukihito Oowaki
    • G11C11/407G11C5/14H01L21/822H01L27/04H03K19/00H01L25/00
    • G11C5/147H03K19/0016Y10T307/352
    • The semiconductor integrated circuit device of the present invention includes a plurality of integrated circuits. The scheduling circuit selects an arbitrary number of integrated circuit from the plurality of integrated circuits, and connects the selected integrated circuits between the power line and the ground line such that the selected integrated circuits are arranged in series or in series-parallel. The scheduling circuit sets a combination of connection of the selected integrated circuits such that the consumption power of the total of the selected integrated circuits becomes minimum. The voltage control circuit sets a potential of a serial connecting portion of the selected integrated circuits. The data control circuit has an input output circuit for inputting and outputting data between the selected integrated circuits, and the outside, and a level conversion circuit for converting a level of data between certain integrated circuits.
    • 本发明的半导体集成电路器件包括多个集成电路。 调度电路从多个集成电路中选择任意数量的集成电路,并且将所选择的集成电路在电力线和接地线之间连接,使得所选择的集成电路串联或并联布置。 调度电路设置所选择的集成电路的连接的组合,使得所选择的集成电路的总体的消耗功率变得最小。 电压控制电路设定所选择的集成电路的串联连接部分的电位。 数据控制电路具有用于在所选择的集成电路之间输入和输出数据的输入输出电路和外部,以及用于转换某些集成电路之间的数据电平的电平转换电路。
    • 10. 发明授权
    • Semiconductor memory using dynamic ram cells
    • 半导体存储器使用动态RAM单元
    • US4943944A
    • 1990-07-24
    • US275501
    • 1988-11-23
    • Koji SakuiTsuneaki FuseFujio Masuoka
    • Koji SakuiTsuneaki FuseFujio Masuoka
    • G11C7/10G11C11/4091G11C11/4094G11C11/4096
    • G11C11/4091G11C11/4094G11C11/4096G11C7/1006G11C7/1051
    • Bit-line pairs and word lines are disposed perpendicular to one another and dRAM cells are placed at their intersections. A dummy cell is connected to each of the bit-line pairs. A bit-line sense amplifier and an equalizer are connected to one end of the bit-line pair. The other end of the bit-line pair is connected to a latch type memory cell via a first transfer gate. The latch type memory cell are further connected to input/output line pair via a second transfer gate controlled by a column select line. During a RAS active period in a read cycle a word line is selected so that data is read from a dRAM cell and the dummy cell connected to the selected word line onto the bit-line pairs. The bit-line sense amplifiers are activated so that the levels of the bit lines become determinate. The first transfer gates are subsequently turned on to transfer the data on the bit-line pairs to the latch type cells. After the memory cells are rewritten into, the selected word line is reset and the latch type memory cells are electrically disconnected from the bit-line pairs. The equalizers operate to precharge the bit-line pairs. When CAS is rendered active and a column is selected, a corresponging second transfer gate is turned on so that data in the latch type memory cell is read out onto the input/output line pairs.
    • 位线对和字线彼此垂直设置,并且dRAM单元被放置在它们的相交处。 虚拟单元连接到每个位线对。 位线读出放大器和均衡器连接到位线对的一端。 位线对的另一端通过第一传输门连接到锁存型存储单元。 闩锁型存储单元还经由由列选择线控制的第二传输门连接到输入/输出线对。 在读周期的RAS活动期间,选择字线,使得从dRAM单元读取数据,将连接到选定字线的虚拟单元读取到位线对上。 位线读出放大器被激活,使得位线的电平变得确定。 随后接通第一传输门,将位线对上的数据传送到锁存型单元。 在重写存储器单元之后,所选择的字线被复位,闩锁型存储单元与位线对电连接。 均衡器用于对位线对进行预充电。 当CAS被激活并选择列时,相应的第二传输门被导通,使得锁存型存储单元中的数据被读出到输入/输出线对上。