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数字电子/逻辑门概述

来自,开放的书籍,开放的世界

下表总结了所有基本数字门及其特性

基本逻辑门 符号 数学公式 真值表 结构
缓冲器 Q = A A Q
0 0
1 1
非门 Q = NOT A A Q
0 1
1 0
与门 AND Gate Q = A . B A B Q
0 0 0
0 1 0
1 0 0
1 1 1
与非门 NAND Gate Q = NOT (A . B) A B Q
0 0 1
0 1 1
1 0 1
1 1 0
或门 Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 1
或非门 NOR Gate Q = NOT (A + B) A B Q
0 0 1
0 1 0
1 0 0
1 1 0
异或门 Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 0
异或非门 Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 1
取自 "https://wikibooks.cn/w/index.php?title=Digital_Electronics/Logic_Gates_Summary&oldid=4328712"
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