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    • 3. 发明申请
    • Output circuit
    • 输出电路
    • US20060012436A1
    • 2006-01-19
    • US11179775
    • 2005-07-13
    • Kazumasa AkaiYukio KinTomoko Ishizuka
    • Kazumasa AkaiYukio KinTomoko Ishizuka
    • H03F1/52
    • H03F3/3022H01L2924/0002H03F1/52H03F3/70H01L2924/00
    • A patterning area of an output circuit is reduced while securing strong enough ESD tolerance. In the output circuit of this invention, an output of a first amplifier and an output of a second amplifier are connected to a common output pad. Each of the amplifiers is driven by each of signals Φ1 and Φ2 from an internal circuit, respectively. The first amplifier has larger driving capacity than the second amplifier. A high voltage side power supply terminal of the second amplifier is provided with a power supply voltage VDD from a power supply pad through a first protection resistor, while a low voltage side power supply terminal of the second amplifier is provided with a ground voltage VSS from a ground pad through a second protection resistor. And a third protection resistor is connected between an output of the second amplifier and an output terminal. The first, second and third protection resistors are made of metal wirings, and their resistance is preferably about 10Ω.
    • 输出电路的图案化区域减小,同时确保足够强的ESD容限。 在本发明的输出电路中,第一放大器的输出和第二放大器的输出连接到公共输出焊盘。 每个放大器分别由内部电路的每个信号Phi 1和Phi 2驱动。 第一放大器具有比第二放大器更大的驱动能力。 第二放大器的高压侧电源端子通过第一保护电阻从电源焊盘提供电源电压VDD,而第二放大器的低压侧电源端子提供接地电压VSS 通过第二个保护电阻接地。 并且第三保护电阻连接在第二放大器的输出端和输出端子之间。 第一,第二和第三保护电阻由金属布线制成,其电阻优选为约10mega。
    • 4. 发明授权
    • Output circuit
    • 输出电路
    • US07391267B2
    • 2008-06-24
    • US11179775
    • 2005-07-13
    • Kazumasa AkaiYukio KinTomoko Ishizuka
    • Kazumasa AkaiYukio KinTomoko Ishizuka
    • H03F1/52
    • H03F3/3022H01L2924/0002H03F1/52H03F3/70H01L2924/00
    • A patterning area of an output circuit is reduced while securing strong enough ESD tolerance. In the output circuit of this invention, an output of a first amplifier and an output of a second amplifier are connected to a common output pad. Each of the amplifiers is driven by each of signals Φ1 and Φ2 from an internal circuit, respectively. The first amplifier has larger driving capacity than the second amplifier. A high voltage side power supply terminal of the second amplifier is provided with a power supply voltage VDD from a power supply pad through a first protection resistor, while a low voltage side power supply terminal of the second amplifier is provided with a ground voltage VSS from a ground pad through a second protection resistor. And a third protection resistor is connected between an output of the second amplifier and an output terminal. The first, second and third protection resistors are made of metal wirings, and their resistance is preferably about 10Ω.
    • 输出电路的图案化区域减小,同时确保足够强的ESD容限。 在本发明的输出电路中,第一放大器的输出和第二放大器的输出连接到公共输出焊盘。 每个放大器分别由内部电路的每个信号Phi 1和Phi 2驱动。 第一放大器具有比第二放大器更大的驱动能力。 第二放大器的高压侧电源端子通过第一保护电阻从电源焊盘提供电源电压VDD,而第二放大器的低压侧电源端子提供接地电压VSS 通过第二个保护电阻接地。 并且第三保护电阻连接在第二放大器的输出端和输出端子之间。 第一,第二和第三保护电阻由金属布线制成,其电阻优选为约10mega。