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78027012A PDF预览

78027012A

更新时间: 2024-11-05 21:54:27
品牌 Logo 应用领域
德州仪器 - TI 逻辑集成电路编码器
页数 文件大小 规格书
22页 621K
描述
10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS

78027012A 数据手册

 浏览型号78027012A的Datasheet PDF文件第2页浏览型号78027012A的Datasheet PDF文件第3页浏览型号78027012A的Datasheet PDF文件第4页浏览型号78027012A的Datasheet PDF文件第5页浏览型号78027012A的Datasheet PDF文件第6页浏览型号78027012A的Datasheet PDF文件第7页 
SDLS053B − OCTOBER 1976 − REVISED MAY 2004  
’147, ’LS147  
’148, ’LS148  
D
D
Encode 10-Line Decimal to 4-Line BCD  
D
D
Encode 8 Data Lines to 3-Line Binary  
(Octal)  
Applications Include:  
− Keyboard Encoding  
− Range Selection  
Applications Include:  
− n-Bit Encoding  
− Code Converters and Generators  
SN54147, SN54LS147 . . . J OR W PACKAGE  
SN74147, SN74LS147 . . . D OR N PACKAGE  
(TOP VIEW)  
SN54148, SN54LS148 . . . J OR W PACKAGE  
SN74148, SN74LS148 . . . D, N, OR NS PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
V
4
5
4
CC  
CC  
E0  
GS  
3
NC  
D
3
5
6
6
7
7
8
2
2
EI  
1
1
A2  
A1  
GND  
C
0
9
B
A0  
A
GND  
SN54LS147 . . . FK PACKAGE  
(TOP VIEW)  
SN54LS148 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1 20 19  
18  
3
2
1 20 19  
18  
GS  
3
D
3
6
7
4
5
6
7
8
4
5
6
7
8
6
7
17  
17  
16  
15  
14  
NC  
2
16 NC  
15  
NC  
8
NC  
EI  
2
1
14  
1
C
A2  
9 10 11 12 13  
9 10 11 12 13  
NC − No internal connection  
TYPICAL  
DATA  
DELAY  
TYPICAL  
POWER  
TYPE  
’147  
DISSIPATION  
225 mW  
190 mW  
60 mW  
10 ns  
10 ns  
15 ns  
15 ns  
’148  
’LS147  
’LS148  
60 mW  
NOTE: The SN54147, SN54LS147, SN54148, SN74147, SN74LS147, and SN74148 are obsolete and are no longer supplied.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2004, Texas Instruments Incorporated  
ꢒ ꢜ ꢧ ꢟ ꢞꢪ ꢥꢤ ꢢꢣ ꢤꢞ ꢠꢧ ꢩꢛ ꢡꢜ ꢢ ꢢꢞ ꢌꢋ ꢈꢐ ꢖꢗ ꢱ ꢐꢕꢇꢂ ꢕꢂꢆ ꢡꢩꢩ ꢧꢡ ꢟ ꢡ ꢠꢦ ꢢꢦꢟ ꢣ ꢡ ꢟ ꢦ ꢢꢦ ꢣꢢꢦ ꢪ  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
ꢥ ꢜꢩ ꢦꢣꢣ ꢞ ꢢꢬꢦ ꢟ ꢮꢛ ꢣꢦ ꢜ ꢞꢢꢦ ꢪꢫ ꢒ ꢜ ꢡꢩ ꢩ ꢞ ꢢꢬꢦ ꢟ ꢧꢟ ꢞ ꢪꢥꢤ ꢢꢣ ꢆ ꢧꢟ ꢞ ꢪꢥꢤ ꢢꢛꢞ ꢜ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

78027012A 替代型号

型号 品牌 替代类型 描述 数据表
SNJ54LS148FK TI

完全替代

10 LINE TO 4 LINE AND 8 LINE TO 3 LINE PRIORITY ENCODERS
JM38510/36001B2A TI

完全替代

10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS

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