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    • 2. 发明专利
    • Electrostatic discharge protection circuit
    • 静电放电保护电路
    • JP2005203736A
    • 2005-07-28
    • JP2004284478
    • 2004-09-29
    • Realtek Semiconductor Corp瑞▲いー▼半導體股▲ふん▼有限公司
    • YEH TA-HSUNLIN YUNG-HAOJEAN YUH-SHENG
    • H01L29/70H01L21/33H01L21/822H01L27/02H01L27/04H02H9/00
    • H01L27/0259H01L2924/0002H01L2924/00
    • PROBLEM TO BE SOLVED: To provide an electrostatic discharge protection circuit which has a low leak current, a high breakdown voltage, high current driving capability, and a low parasitic capacitance. SOLUTION: The electrostatic discharge protection circuit includes a first transistor group coupled to a first operating voltage and a third operating voltage, a second transistor group coupled to a second operating voltage and a fourth operating voltage, a first detector circuit which is electrically connected between the first operating voltage and the second operating voltage and detects an electrostatic voltage to generate a first trigger signal, a first electrostatic discharge circuit electrically connected between the first operating voltage and the second operating voltage, a second detector circuit which is electrically connected between the third operating voltage and the fourth operating voltage and detects an electrostatic voltage to generate a second trigger signal, and a second electrostatic discharge circuit electrically connected between the third operating voltage and the fourth operating voltage. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种具有低漏电流,高击穿电压,高电流驱动能力和低寄生电容的静电放电保护电路。 解决方案:静电放电保护电路包括耦合到第一工作电压和第三工作电压的第一晶体管组,耦合到第二工作电压和第四工作电压的第二晶体管组,第一检测器电路,其是电 连接在第一工作电压和第二工作电压之间并且检测静电电压以产生第一触发信号,电连接在第一工作电压和第二工作电压之间的第一静电放电电路,第二检测器电路电连接在 第三工作电压和第四工作电压,并且检测静电电压以产生第二触发信号,以及电连接在第三工作电压和第四工作电压之间的第二静电放电电路。 版权所有(C)2005,JPO&NCIPI