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TXB0104 Bport 输入时的输入电容

Other Parts Discussed in Thread: TXB0104

Hi

请教下TXB0104中,使用Bport作为输入时,输入电容还是不是看OE pin的CI值?

  • 您好,
    您是看B port端口的电容还是OE管脚的输入电容?如果是看OE管脚的输入电容,那么不管B port做输入还是A port做输入,其输入电容都是不变的
  • 此器件的输入电容CI我没有找到定义,这个CI指的是不是OE pin的输入电容(不管Aport还是Bport输入)?您说的B port端口的电容是指的Ci/o吗?
  • OE是输入管脚,所以OE管脚处的电容就是输入电容,TXB0104是双向电压电压转换器,因此A port和B port可以输入也可以输出,A port和B port处的电容是Cio,A port和B port的电容不一样,与供电电压也有关系,具体见数据手册Figure 2 和Figure 3