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參數(shù)資料
| 型號(hào)： | HD74HC85 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-Bit Magnitude Comparator |
| 中文描述： | 4位數(shù)值比較 |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 53K |
| 代理商： | HD74HC85 |
HD74HC85
2
Function Table
Data Word Inputs
Cascading Inputs
Outputs
A
3
, B
3
A
3
> B
3
A
3
< B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
3
= B
3
A
2
, B
2
X
A
1
, B
1
X
A
0
, B
0
X
A > Bin
A = Bin
A < Bin
A > Bout A = Bout A < Bout
X
X
X
H
L
L
X
X
X
X
X
X
L
L
H
A
2
> B
2
A
2
< B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
A
2
= B
2
X
X
X
X
X
H
L
L
X
X
X
X
X
L
L
H
A
1
> B
1
A
1
< B
1
A
1
= B
1
A
1
= B
1
A
1
= B
1
A
1
= B
1
A
1
= B
1
A
1
= B
1
A
1
= B
1
X
X
X
X
H
L
L
X
X
X
X
L
L
H
A
0
> B
0
A
0
< B
0
A
0
= B
0
A
0
= B
0
A
0
= B
0
A
0
= B
0
A
0
= B
0
X
X
X
H
L
L
X
X
X
L
L
H
L
L
L
H
L
H
L
L
H
L
L
H
H
L
L
H
L
L
H
L
H
L
L
L
X
H
X
L
H
L
Pin Arrangement
1
2
3
4
5
6
7
8
A<B
A=B
A>B
A>B
A=B
A<B
GND
V
CC
A
3
B
2
A
2
A
1
B
1
A
0
B
0
16
15
14
13
12
11
10
9
(Top view)
A<B
A<B
A=B
A>B
A=B
A>B
A
3
B
2
A
2
B
1
A
0
A
1
B
3
In
out
B
3
Data
Input
B
0
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