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Akagi201
9/7/2014 - 1:41 PM
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three-state-logic.md
three-state-logic.md
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在数字电路中, 三态逻辑(three-state / tri-state / 3-state)允许输出端在0和1两种逻辑电平之外呈现高阻态, 等效于将输出的影响从后级电路中移除. 这允许多个电路共同使用同一个输出线(例如总线).
References
http://en.wikipedia.org/wiki/Three-state_logic
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