数字电路与逻辑设计:用74138实现一位全加器!!

核心提示A B Ci C0 S A B Ci C0 S?0 0? 0? 0?01 0? 0? 0 10 0? 1? 0 1? 1 0? 1? 1 00 1? 0? 0 11 1? 0? 1?00 1? 1? 1 0? 1 1? 1? 0 1

A B Ci C0 S A B Ci C0 S?

0 0? 0? 0?01 0? 0? 0 1

0 0? 1? 0 1? 1 0? 1? 1 0

0 1? 0? 0 11 1? 0? 1?0

0 1? 1? 1 0? 1 1? 1? 0 1

 
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