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    • 4. 发明授权
    • Semiconductor device
    • 半导体器件
    • US09460377B2
    • 2016-10-04
    • US13372877
    • 2012-02-14
    • Jun KoyamaShunpei Yamazaki
    • Jun KoyamaShunpei Yamazaki
    • H04Q5/22G06K19/07
    • G06K19/0723G06K19/0719
    • A semiconductor device with improved reliability, in which increase in power consumption can be reduced. The semiconductor device includes an antenna for transmitting and receiving a wireless signal to/from a communication device and at least first and second functional circuits electrically connected to the antenna. The first functional circuit includes a power supply control circuit for controlling power supply voltage output from a power supply circuit in the second functional circuit. A power supply control circuit in the second functional circuit includes a transistor of which first terminal is electrically connected to an output terminal of the power supply circuit and second terminal is electrically connected to a ground line. A gate terminal of the transistor is electrically connected to the power supply control circuit included in one functional circuit.
    • 具有可靠性提高的能够降低功耗增加的半导体装置。 半导体器件包括用于向/从通信设备发送和接收无线信号的天线以及电连接到天线的至少第一和第二功能电路。 第一功能电路包括用于控制从第二功能电路中的电源电路输出的电源电压的电源控制电路。 第二功能电路中的电源控制电路包括晶体管,其第一端子电连接到电源电路的输出端子,并且第二端子电连接到接地线。 晶体管的栅极端子电连接到包括在一个功能电路中的电源控制电路。