InputOutput Input 00000010 Output 00000001 0 0 0

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Input、Output Input: 00000010 低位元 高位元 Output: 00000001 0 0 0 0

Input、Output Input: 00000010 低位元 高位元 Output: 00000001 0 0 0 0

IC 7447 1 2 3 4 5 6 7 8 16 15 14 13

IC 7447 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9

AND閘

AND閘

OR閘

OR閘

NOT閘

NOT閘

NAND閘

NAND閘

NOR閘

NOR閘

如何用 2 input取代 3 input

如何用 2 input取代 3 input

利用NAND閘製作AND閘 EX:NAND閘製作AND閘

利用NAND閘製作AND閘 EX:NAND閘製作AND閘

minterm、maxterm • minterm (全及項):含所有變數的積項 • maxterm (全或項):含所有變數的和項 Ex: F = AC+AB Step 2: minterm表示:

minterm、maxterm • minterm (全及項):含所有變數的積項 • maxterm (全或項):含所有變數的和項 Ex: F = AC+AB Step 2: minterm表示: (找 1) minterm (全及項) A B C F 0 0 0 1 1 0 0 0 1 1 1 1 0 1 1 1 maxterm表示: (找 0) (minterms + bar) maxterm (全或項)

Example • For the function (1)Represent the function in the sum of minterm from.

Example • For the function (1)Represent the function in the sum of minterm from. (1)Represent the function in the sum of maxterm from. Sol: (1) (2) X Y Z F 0 0 0 1 1 0 0 1 1 1 1 0 1 1 1

Essential prime implicant VS prime implicant Prime implicant(必要質隱項 ):可能會出在最簡式之中 Essential prime implicant(必要質隱項 ):一定會出在最簡式之中

Essential prime implicant VS prime implicant Prime implicant(必要質隱項 ):可能會出在最簡式之中 Essential prime implicant(必要質隱項 ):一定會出在最簡式之中

2 bit加法器 F 0 = A 0 + B 0 F 1 = A

2 bit加法器 F 0 = A 0 + B 0 F 1 = A 1 + B 1 + C 0 F 2 = C 1 Ex: 令A=3 ,B=2 A B 3 2 5 1 1 0 1 1

3 bit加法器 F 0 = A 0 + B 0 F 1 = C

3 bit加法器 F 0 = A 0 + B 0 F 1 = C 0 + A 1 + B 1 F 2 = C 1 + A 2 + B 2 F 3 = C 2 Ex: 7 + 5 = 12

3 bit x 2 bit乘法器 HA FA HA

3 bit x 2 bit乘法器 HA FA HA

ALU (Arithmetic Logic Unit) 此ALU具有AND、XOR、加法功能 1 bit ALU

ALU (Arithmetic Logic Unit) 此ALU具有AND、XOR、加法功能 1 bit ALU

4 bit ALU

4 bit ALU

序向邏輯電路 (Sequential Circuit)

序向邏輯電路 (Sequential Circuit)