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    • 1. 发明授权
    • Semiconductor chip and semiconductor device
    • 半导体芯片和半导体器件
    • US08350593B2
    • 2013-01-08
    • US13015246
    • 2011-01-27
    • Tomoaki Isozaki
    • Tomoaki Isozaki
    • H03K19/0175H03K19/0185H03K19/094
    • H03K19/018592H01L25/07H01L27/092H01L29/78H01L2924/0002H03K3/038H03K19/018521H01L2924/00
    • A semiconductor device includes a first semiconductor chip operating at a first power supply voltage and a second semiconductor chip operating at a second power supply voltage lower than the first power supply voltage to supply the second power supply voltage to the first semiconductor chip. The semiconductor chips according to the present invention are conveniently used for fabrication of the semiconductor device. The first semiconductor chip includes an output circuit including a first transistor and a second transistor, interconnected in series and turned on or off complementarily. The output circuit outputs a signal to a first external output terminal. The first semiconductor chip also includes a third transistor connected in series with the first and second transistors and having a gate electrode connected to a second output terminal. The entire chip area is reduced, as compared with the case where plural semiconductor chips, operated at different operating voltages, are interconnected and used as such in a semiconductor device provided with an input/output buffer operating at a voltage different from the respective operating voltages resulting in an increased chip area.
    • 半导体器件包括以第一电源电压工作的第一半导体芯片和以低于第一电源电压的第二电源电压工作的第二半导体芯片,以向第一半导体芯片提供第二电源电压。 根据本发明的半导体芯片方便地用于制造半导体器件。 第一半导体芯片包括一个包括第一晶体管和第二晶体管的输出电路,其互相串联并互补地开或关。 输出电路将信号输出到第一外部输出端子。 第一半导体芯片还包括与第一和第二晶体管串联连接的第三晶体管,并且具有连接到第二输出端子的栅电极。 与在不同工作电压下工作的多个半导体芯片相互连接并将其用于半导体器件的情况相比,整个芯片面积减小,该半导体器件具有以不同于各个工作电压的电压工作的输入/输出缓冲器 导致芯片面积增加。
    • 4. 发明授权
    • Sound synthesizing circuit
    • 声合成电路
    • US4805508A
    • 1989-02-21
    • US77546
    • 1987-07-24
    • Tomoaki Isozaki
    • Tomoaki Isozaki
    • G10H7/00G10H5/06G10H7/04G10H1/00
    • G10H5/06G10H7/04Y10S84/11
    • A sound synthesizing circuit has means for synthesizing sound digital data in a pitch period of a sound to be synthesized and means for producing a sound analog signal according to the synthesized sound digital data. The synthesized sound digital data are sequentially transferred to the producing means according to a sequential sampling pulse. The sequential sampling pulse has a predetermined interval and a corrected interval different from the predetermined interval in one pitch period of a sound to be synthesized. Thus, a sound of good quality with an arbitrary interval can be synthesized in a wide scale by a simple hardware integrated circuit in a small semiconductor chip.
    • 声音合成电路具有用于在要合成的声音的音调周期中合成声音数字数据的装置和根据合成声音数字数据产生声音模拟信号的装置。 合成声音数字数据根据顺序采样脉冲依次传送到产生装置。 顺序采样脉冲具有预定的间隔和与要合成的声音的一个音调周期中的预定间隔不同的校正间隔。 因此,通过在小型半导体芯片中的简单硬件集成电路,可以大范围地合成具有任意间隔的良好质量的声音。
    • 5. 发明授权
    • Semiconductor chip and semiconductor device
    • 半导体芯片和半导体器件
    • US07902873B2
    • 2011-03-08
    • US11561567
    • 2006-11-20
    • Tomoaki Isozaki
    • Tomoaki Isozaki
    • H03K19/0175H03K19/0185H03K19/094
    • H03K19/018592H01L25/07H01L27/092H01L29/78H01L2924/0002H03K3/038H03K19/018521H01L2924/00
    • A semiconductor device includes a first semiconductor chip operating at a first power supply voltage and a second semiconductor chip operating at a second power supply voltage lower than the first power supply voltage to supply the second power supply voltage to the first semiconductor chip. The semiconductor chips according to the present invention are conveniently used for fabrication of the semiconductor device. The first semiconductor chip includes an output circuit including a first transistor and a second transistor, interconnected in series and turned on or off complementarily. The output circuit outputs a signal to a first external output terminal. The first semiconductor chip also includes a third transistor connected in series with the first and second transistors and having a gate electrode connected to a second output terminal. The entire chip area is reduced, as compared with the case where plural semiconductor chips, operated at different operating voltages, are interconnected and used as such in a semiconductor device provided with an input/output buffer operating at a voltage different from the respective operating voltages resulting in an increased chip area.
    • 半导体器件包括以第一电源电压工作的第一半导体芯片和以低于第一电源电压的第二电源电压工作的第二半导体芯片,以向第一半导体芯片提供第二电源电压。 根据本发明的半导体芯片方便地用于制造半导体器件。 第一半导体芯片包括一个包括第一晶体管和第二晶体管的输出电路,其互相串联并互补地开或关。 输出电路将信号输出到第一外部输出端子。 第一半导体芯片还包括与第一和第二晶体管串联连接的第三晶体管,并且具有连接到第二输出端子的栅电极。 与在不同工作电压下工作的多个半导体芯片相互连接并将其用于半导体器件的情况相比,整个芯片面积减小,该半导体器件具有以不同于各个工作电压的电压工作的输入/输出缓冲器 导致芯片面积增加。