參數(shù)資料
型號(hào): HD74HC131
廠商: Hitachi,Ltd.
元件分類: 通用總線功能
英文描述: Synchronous 4-Bit Up/Down Binary Counters With Dual Clock 16-CDIP -55 to 125
中文描述: 3至8線解碼器/解復(fù)用器的邊沿觸發(fā)地址寄存器
文件頁(yè)數(shù): 2/9頁(yè)
文件大?。?/td> 58K
代理商: HD74HC131
HD74HC131
2
Function Table
Inputs
Enable
Select
Outputs
CLK G1
G
2
H
C
B
A
Y
0
H
Y
1
H
Y
2
H
Y
3
H
Y
4
H
Y
5
H
Y
6
H
Y
7
H
X
X
X
X
X
X
L
X
X
X
X
H
H
H
H
H
H
H
H
H
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
H
H
L
H
H
H
H
H
H
H
L
L
H
L
H
H
L
H
H
H
H
H
H
L
L
H
H
H
H
H
L
H
H
H
H
H
L
H
L
L
H
H
H
H
L
H
H
H
H
L
H
L
H
H
H
H
H
H
L
H
H
H
L
H
H
L
H
H
H
H
H
H
L
H
H
L
H
H
H
H
H
H
H
H
H
H
L
L
H
L
X
X
X
Outputs corresponding to stored address, L; all others H
Pin Arrangement
1
(Top view)
A
2
B
3
C
4
CLK
5
G
2
6
G
1
7
Y
7
8
GND
V
CC
16
Y
0
15
Y
1
14
Y
2
13
Y
3
12
Y
4
11
Y
5
10
Y
6
9
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