參數(shù)資料
型號: HD74HC139
廠商: Hitachi,Ltd.
英文描述: Dual 2-to-4-line Decoders/Demultiplexers
中文描述: 雙路2至4行解碼器/解復(fù)用器
文件頁數(shù): 2/9頁
文件大小: 51K
代理商: HD74HC139
HD74HC139
2
Pin Arrangement
1
2
3
4
5
6
7
8
1G
1A
1B
1Y
0
1Y
1
1Y
2
1Y
3
GND
V
CC
2G
2A
2B
2Y
0
2Y
1
2Y
2
2Y
3
16
15
14
13
12
11
10
9
(Top view)
Select
Data
Outputs
Outputs
Select
Enable
Enable
Data
Outputs
A
Y
3
B
Y
1
Y
2
Y
0
G
G
Y
2
A
Y
0
Y
1
B
Y
3
Logic Diagram (1/2)
Enable
Y
0
Y
1
Y
2
Y
3
A
B
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PDF描述
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HD74HC149 Dual 4-Input Positive-NAND Gates 14-CDIP -55 to 125
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