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    • 9. 发明授权
    • Potential generating circuit, potential generating device and semiconductor device using the same, and driving method thereof
    • 电位发生电路,电位产生装置及使用其的半导体装置及其驱动方法
    • US06809953B2
    • 2004-10-26
    • US10440277
    • 2003-05-16
    • Kenji ToyodaMichihito UedaKiyoshi MorimotoKiyoyuki MoritaToru IwataJun Kajiwara
    • Kenji ToyodaMichihito UedaKiyoshi MorimotoKiyoyuki MoritaToru IwataJun Kajiwara
    • G11C1122
    • H02M3/07H02M3/073
    • A potential generating circuit comprises a capacitor (4); a ferroelectric capacitor (6) connected in series to the capacitor (4); an output terminal (11); a capacitor (10) for grounding the output terminal (11); a switch (9) for connecting a connecting node (5) between the two capacitors (4, 6) to the output terminal (11); and a switch (1) for connecting the connecting node (5) to the ground; wherein during a first period, with the switches (1) and (9) placed in the OFF state, a terminal (3) is provided with a positive potential and a terminal (7) is grounded; wherein during a second period following the first period, the terminal (3) is grounded and the switch (9) is placed in the ON state; wherein during a third period following the second period, the switch (9) is placed in the OFF state, the switch (1) is placed in the ON state, and the terminal (7) is provided with a positive potential; wherein during a fourth period following the third period, the terminal (7) is grounded; and wherein the first through fourth periods are repeated.
    • 电位发生电路包括电容器(4); 与电容器(4)串联连接的铁电电容器(6)。 输出端子(11); 用于使输出端子(11)接地的电容器(10); 用于将两个电容器(4,6)之间的连接节点(5)连接到输出端子(11)的开关(9); 和用于将连接节点(5)连接到地面的开关(1); 其中在第一时段期间,当开关(1)和(9)处于断开状态时,端子(3)被提供有正电位并且端子(7)接地; 其中在所述第一周期之后的第二时段期间,所述端子(3)接地,并且所述开关(9)处于接通状态; 其中在所述第二时段之后的第三时段期间,所述开关(9)处于断开状态,所述开关(1)处于接通状态,并且所述端子(7)被提供有正电位; 其中在所述第三周期之后的第四周期期间,所述终端(7)接地; 并且其中重复第一至第四周期。