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參數(shù)資料
| 型號： | SN54LS148W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS |
| 中文描述： | 10線的4線和8線三線優(yōu)先編碼器 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 623K |
| 代理商： | SN54LS148W |
SDLS053B OCTOBER 1976 REVISED MAY 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
’147, ’LS147
Encode 10-Line Decimal to 4-Line BCD
Applications Include:
Keyboard Encoding
Range Selection
’148, ’LS148
Encode 8 Data Lines to 3-Line Binary
(Octal)
Applications Include:
n-Bit Encoding
Code Converters and Generators
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
D
3
NC
2
1
6
7
NC
8
C
5
4
N
A
9
V
N
B
G
N
SN54LS147 . . . FK PACKAGE
(TOP VIEW)
NC No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
4
5
6
7
8
C
B
GND
V
CC
NC
D
3
2
1
9
A
SN54147, SN54LS147 . . . J OR W PACKAGE
SN74147, SN74LS147 . . . D OR N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
4
5
6
7
EI
A2
A1
GND
V
CC
E0
GS
3
2
1
0
A0
SN54148, SN54LS148 . . . J OR W PACKAGE
SN74148, SN74LS148 . . . D, N, OR NS PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
GS
3
NC
2
1
6
7
NC
EI
A2
5
4
N
A
0
V
E
A
G
N
SN54LS148 . . . FK PACKAGE
(TOP VIEW)
TYPE
TYPICAL
DATA
DELAY
TYPICAL
POWER
DISSIPATION
’147
10 ns
225 mW
’148
10 ns
190 mW
’LS147
15 ns
60 mW
’LS148
15 ns
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
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相關PDF資料 |
PDF描述 |
|---|---|
| SN74LS147D | 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS |
| SN74LS147 | LOW POWER SCHOTTKY |
| SN74LS147D | Polishing Kit |
| SN74LS147N | LOW POWER SCHOTTKY |
| SN54LS147 | 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS |
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| SN54LS156J | 制造商:Texas Instruments 功能描述:Decoder/Demultiplexer Single/Dual 3/2-to-8/4 16-Pin CDIP Tube |
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