基本逻辑门 |
符号 |
数学公式 |
真值表 |
缓冲器 |
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Q = A |
A Q 0 0 1 1
|
非门 |
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Q = 非 A |
A Q 0 1 1 0
|
与门 |
 |
Q = A . B |
A B Q 0 0 0 0 1 0 1 0 0 1 1 1
|
与非门 |
 |
Q = 非 (A . B) |
A B Q 0 0 1 0 1 1 1 0 1 1 1 0
|
或门 |
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Q = A + B |
A B Q 0 0 0 0 1 1 1 0 1 1 1 1
|
或非门 |
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Q = 非 (A + B) |
A B Q 0 0 1 0 1 0 1 0 0 1 1 0
|
异或门 |
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Q = (A + B) . 非 (A . B) |
A B Q 0 0 0 0 1 1 1 0 1 1 1 0
|
异或非门 |
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Q = 非 ( (A + B) . 非 (A . B) ) |
A B Q 0 0 1 0 1 0 1 0 0 1 1 1
|