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參數(shù)資料
| 型號(hào)： | HD74HC283 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125 |
| 中文描述： | 4位二進(jìn)制全加器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 56K |
| 代理商： | HD74HC283 |
HD74HC283
2
Function Table
Outputs
Inputs
When C
0
= L/When C
2
= L
∑
1
/
∑
3
∑
2
/
∑
4
L
L
When C
0
= H/When C
2
= H
∑
1
/
∑
3
∑
1
/
∑
4
H
L
A
1
/A
3
L
B
1
/B
3
L
A
2
/A
4
L
B
2
/B
4
L
C
2
/C
4
L
C
2
/C
4
L
H
L
L
L
H
L
L
L
H
L
L
H
L
L
H
L
L
L
H
L
H
H
L
L
L
H
L
H
H
L
L
L
H
L
L
H
L
H
H
L
H
L
H
L
H
H
L
L
L
H
L
H
H
L
H
H
L
L
L
H
H
H
H
L
L
L
H
H
L
H
L
L
L
H
L
H
L
H
H
L
H
L
L
H
H
H
L
L
L
H
L
H
L
H
H
H
L
L
L
H
H
H
L
H
L
L
H
H
L
H
L
L
H
H
L
L
H
H
L
H
H
L
H
H
H
L
H
L
H
H
L
H
H
H
H
L
H
L
H
H
H
H :
L
Note:
H
H
H
L
H
H
H
H
H
high level
low level
Input conditions at A
, B
, A
, B
, and C
are used to determine outputs
∑
and
∑
and the value of the
internal carry C
2
. The values at C
2
, A
3
, B
3
, A
4
and B4 are then used to determine outputs
∑
3
,
∑
4
and
C
4
.
:
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