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    • 8. 发明申请
    • SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
    • 半导体器件及其制造方法
    • US20080073728A1
    • 2008-03-27
    • US11858173
    • 2007-09-20
    • Shinji FujiiKouichirou InoueNaoto HiguchiTaisei Suzuki
    • Shinji FujiiKouichirou InoueNaoto HiguchiTaisei Suzuki
    • H01L27/088H01L21/8234
    • H01L27/088H01L27/0207H01L27/0705
    • Semiconductor devices whose current characteristics can be prevented from varying even if a phase shift mask is used for patterning gate electrodes of MISFETs, and a manufacturing method thereof are disclosed. According to one aspect of the present invention, there is provided a semiconductor device comprising a first transistor including a first gate electrode provided above a semiconductor substrate, and a first source and a first drain provided in the semiconductor substrate, a second transistor arranged to be adjacent to the first transistor, and including a second gate electrode provided above the semiconductor substrate in parallel with the first gate electrode, and a second source and a second drain provided in the semiconductor substrate, and a third gate electrode provided between the first transistor and the second transistor and in parallel with the first and second gate electrodes.
    • 公开了即使使用相移掩模来构图MISFET的栅电极的电流特性也能够防止其变化的半导体器件及其制造方法。 根据本发明的一个方面,提供了一种半导体器件,包括:第一晶体管,包括设置在半导体衬底上的第一栅电极,以及设置在半导体衬底中的第一源极和第一漏极;第二晶体管,被布置为 并且包括设置在所述半导体衬底上的与所述第一栅电极并联的第二栅电极,以及设置在所述半导体衬底中的第二源极和第二漏极,以及设置在所述第一晶体管和所述第一晶体管之间的第三栅电极, 第二晶体管并且与第一和第二栅电极并联。
    • 9. 发明授权
    • Differential current source circuit in DAC of current driving type
    • 电流驱动型DAC中的差分电流源电路
    • US5406135A
    • 1995-04-11
    • US156627
    • 1993-11-24
    • Kazuhiko KasaiKenji MatsuoShinji FujiiYasukazu Noine
    • Kazuhiko KasaiKenji MatsuoShinji FujiiYasukazu Noine
    • G05F3/24H03F3/45H03K17/041H03K17/693H03M1/74H03M3/02H03F3/16
    • H03K17/04106H03K17/693
    • A differential current source circuit includes three P-channel MOSFETs and two N-channel MOSFETs. Each source of first and second P-channel MOSFETs is connected to a power supply, and a bias voltage is applied to each gate of the MOSFETs. A current path of the first N-channel MOSFET is connected between a drain of the first P-channel MOSFET and a ground. A current path of the third P-channel MOSFET is connected between a drain of the second P-channel MOSFET and a current output terminal. A gate of the third P-channel MOSFET is connected to the drain of the first P-channel MOSFET. One end of a current path of the second N-channel MOSFET is connected to a connecting point of the first P-channel and first N-channel MOSFETs, and the other end is connected to a connecting point of the second P-channel and third P-channel MOSFETs. A digital signal is applied to a gate of the second N-channel MOSFET.
    • 差分电流源电路包括三个P沟道MOSFET和两个N沟道MOSFET。 第一和第二P沟道MOSFET的每个源连接到电源,并且偏置电压施加到MOSFET的每个栅极。 第一N沟道MOSFET的电流路径连接在第一P沟道MOSFET的漏极和地之间。 第三P沟道MOSFET的电流路径连接在第二P沟道MOSFET的漏极和电流输出端子之间。 第三P沟道MOSFET的栅极连接到第一P沟道MOSFET的漏极。 第二N沟道MOSFET的电流路径的一端连接到第一P沟道和第一N沟道MOSFET的连接点,另一端连接到第二P沟道和第三N沟道MOSFET的连接点 P沟道MOSFET。 数字信号被施加到第二N沟道MOSFET的栅极。
    • 10. 发明授权
    • Level translator capable of high speed operation
    • 能够高速运行的电平转换器
    • US5369318A
    • 1994-11-29
    • US80109
    • 1993-06-23
    • Tadahiro KurodaShinji FujiiMasahiro KimuraKazuhiko Kasai
    • Tadahiro KurodaShinji FujiiMasahiro KimuraKazuhiko Kasai
    • H03K19/003H03K19/0175H03K19/08
    • H03K19/00384H03K19/017518
    • The output terminal of an ECL circuit is directly connected to the input terminal of a CMOS output circuit. The CMOS output circuit has a transistor which sets the threshold voltage of the CMOS output circuit nearly midway between ECL logic levels. A first reference voltage generating circuit has substantially the same arrangement as the CMOS output circuit and outputs a potential midway between CMOS logic levels as a first reference voltage Vref1. The first reference voltage Vref1 is made variable. A second reference voltage generating circuit has substantially the same arrangement as the ECL circuit and outputs a potential which is midway between the ECL logic levels as a second reference voltage Vref2. A comparator makes a comparison between the first and second reference voltages Vref1 and Vref2 and controls the first reference voltage generating circuit and the CMOS output circuit so that the first and second reference voltages Vref1 and Vref2 may become equal to each other.
    • ECL电路的输出端直接连接到CMOS输出电路的输入端。 CMOS输出电路具有将CMOS输出电路的阈值电压设置在ECL逻辑电平几乎中间的晶体管。 第一参考电压产生电路具有与CMOS输出电路基本相同的布置,并将作为第一参考电压Vref1的CMOS逻辑电平之间的电位输出。 第一参考电压Vref1变为可变的。 第二参考电压产生电路具有与ECL电路基本相同的布置,并将作为第二参考电压Vref2的ECL逻辑电平之间的电位输出。 比较器比较第一和第二参考电压Vref1和Vref2,并控制第一参考电压产生电路和CMOS输出电路,使得第一和第二参考电压Vref1和Vref2可以彼此相等。