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關於D正反器的計數

Jan 17th 2014, 06:14

有8個變數
所以共需3個DFF
設叫做:Da Db Dc
Da是最高位元
Db是中間的位元
Dc是最低位元

我算出來的結果是這樣子的:
Da=A'B+AB'
Db=AB'+AC+B'C
Dc=A'B'+A'C+B'C
( ' 是反向的意思)

我已經用模擬軟體模擬過了
正確無誤

哪裡看不懂再問
要圖的話我可以寄給你

祝你順利!

參考資料：自己學過數位邏輯

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