|
半加算器HA |
||||
|
入力 |
出力 |
|||
|
X |
Y |
C |
S |
|
|
0 |
0 |
0 |
0 |
|
|
0 |
1 |
0 |
1 |
|
|
1 |
0 |
0 |
1 |
|
|
1 |
1 |
1 |
0 |
|
全加算器FA |
|||||
|
入力 |
出力 |
||||
|
Cn |
Xn |
Yn |
Cn+1 |
Sn |
|
|
0 |
0 |
0 |
0 |
0 |
|
|
0 |
0 |
1 |
0 |
1 |
|
|
0 |
1 |
0 |
0 |
1 |
|
|
0 |
1 |
1 |
1 |
0 |
|
|
1 |
0 |
0 |
0 |
1 |
|
|
1 |
0 |
1 |
1 |
0 |
|
|
1 |
1 |
0 |
1 |
0 |
|
|
1 |
1 |
1 |
1 |
1 |