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2013-05-23 12:21
求翻译：• TTL – logic 0 is GND, and logic 1 is +5V. (Or, more accurately, logic 0 is any voltage below the normal voltage threshold for the logic family, for example, below .7V, and logic 1 is anything above the threshold for switching circuits in that family to logic 1, e.g., +3V.)是什么意思？ 待解决
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- 离问题结束还有
• TTL – logic 0 is GND, and logic 1 is +5V. (Or, more accurately, logic 0 is any voltage below the normal voltage threshold for the logic family, for example, below .7V, and logic 1 is anything above the threshold for switching circuits in that family to logic 1, e.g., +3V.)
问题补充： |
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