Sinking数字输出通过三极管来控制连接线上的电平为高电平(+ V)或是低电平(0 V)。
The sinking digital output controls the line by using a transistor to leave the line high (at + v) or to ground the line to 0 v.
Sourcing数字输出通过三极管控制连接线上的高低电平。
The digital output controls the line by using a transistor to leave the line at 0 V or to raise the line to +V.
薄膜晶体三极管的缩写。
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