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US08648638B2 Electronic chips with slew-rate control at output signals 有权
输出信号具有压摆率控制的电子芯片

  • Patent Title: Electronic chips with slew-rate control at output signals
  • Patent Title (中): 输出信号具有压摆率控制的电子芯片
  • Application No.: US13397087
    Application Date: 2012-02-15
  • Publication No.: US08648638B2
    Publication Date: 2014-02-11
  • Inventor: Wu-Hung Lu
  • Applicant: Wu-Hung Lu
  • Applicant Address: KY George Town, Grand Cayman
  • Assignee: Via Telecom Co., Ltd.
  • Current Assignee: Via Telecom Co., Ltd.
  • Current Assignee Address: KY George Town, Grand Cayman
  • Agency: McClure, Qualey & Rodack, LLP
  • Priority: CN201210003001 20120106
  • Main IPC: H03K5/12
  • IPC: H03K5/12
Electronic chips with slew-rate control at output signals
Abstract:
Electronic chips with slew-rate control at output signals are disclosed. A disclosed electronic chip includes a slew-rate control circuit and slew-rate control charging and discharging transistors wherein the transistors are coupled at an output pin of the electronic chip. According to an input signal for an output stage of the electronic chip and a signal at the output pin, the slew-rate control circuit generates the slew-rate control charging and discharging signals to separately control the slew-rate control charging and discharging transistors to charge/discharge a load capacitance at the output pin.
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