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MC74FXXXD PDF预览

MC74FXXXD

更新时间: 2024-01-08 05:00:29
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 编码器
页数 文件大小 规格书
3页 91K
描述
8-LINE TO 3-LINE PRIORITY ENCODER FAST SHOTTKY TTL

MC74FXXXD 数据手册

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MC54/74F148  
8-LINE TO 3-LINE  
PRIORITY ENCODER  
The MC54/74F148 provides three bits of binary coded output representing  
the position of the highest order active input, along with an output indicating  
the presence of any active input. It is easily expanded via input and output en-  
ables to provide priority encoding over many bits.  
Encodes Eight Data Lines in Priority  
8-LINE TO 3-LINE  
PRIORITY ENCODER  
FAST SHOTTKY TTL  
Provides 3-Bit Binary Priority Code  
Input Enable Capability  
Signals When Data Present on Any Input  
Cascadable for Priority Encoding of n Bits  
J SUFFIX  
CERAMIC  
CASE 620-09  
CONNECTION DIAGRAM DIP (TOP VIEW)  
V
EO  
15  
GS  
14  
I
I
I
I
A
0
16  
CC  
3
2
1
0
1
16  
13  
12  
11  
10  
9
N SUFFIX  
PLASTIC  
CASE 648-08  
16  
1
1
2
3
4
5
6
7
8
I
I
I
I
E1  
A
A
1
GND  
4
5
6
7
2
D SUFFIX  
SOIC  
CASE 751B-03  
LOGIC DIAGRAM  
16  
(10)  
(11)  
(12)  
(13)  
(1)  
1
I
I
0
(15)  
(14)  
EO  
GS  
ORDERING INFORMATION  
1
MC54FXXXJ  
Ceramic  
MC74FXXXN Plastic  
MC74FXXXD SOIC  
I
I
I
2
3
4
(9)  
(7)  
A
0
1
LOGIC SYMBOL  
10 11 12 13  
1
2
3
4
7
5
(2)  
A
I
5
I
I
I
I
I
I
I
I
E1  
0
1
2
3
4
5
6
(3)  
I
6
7
EO  
15  
A
A
A
GS  
14  
0
1
2
(4)  
(5)  
(6)  
I
A
2
9
7
6
E1  
V
= PIN 16  
CC  
GND = PIN 8  
NOTE:  
This diagram is provided only for the understanding of logic operations and should not  
be used to estimate propagation delays.  
FAST AND LS TTL DATA  
4-59  

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