LS148

Manufacturer Part NumberLS148
ManufacturerTexas Instruments, Inc.
LS148 datasheet
 


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’147, ’LS147
D
Encode 10-Line Decimal to 4-Line BCD
D
Applications Include:
− Keyboard Encoding
− Range Selection
SN54147, SN54LS147 . . . J OR W PACKAGE
SN74147, SN74LS147 . . . D OR N PACKAGE
(TOP VIEW)
V
4
1
16
CC
5
2
15
NC
3
14
D
6
4
13
3
7
5
12
2
8
6
11
C
1
7
10
B
9
8
9
A
GND
SN54LS147 . . . FK PACKAGE
(TOP VIEW)
3 2 1 20 19
D
6
18
4
7
3
5
17
NC
NC
6
16
2
8
7
15
14
1
8
C
9 10 11 12 13
NC − No internal connection
’147
’148
’LS147
’LS148
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.
’148, ’LS148
D
Encode 8 Data Lines to 3-Line Binary
(Octal)
D
Applications Include:
− n-Bit Encoding
− Code Converters and Generators
SN54148, SN54LS148 . . . J OR W PACKAGE
SN74148, SN74LS148 . . . D, N, OR NS PACKAGE
EI
A2
A1
GND
SN54LS148 . . . FK PACKAGE
6
4
5
7
6
NC
7
EI
8
A2
TYPICAL
TYPICAL
TYPE
DATA
POWER
DELAY
DISSIPATION
10 ns
225 mW
10 ns
190 mW
15 ns
60 mW
15 ns
60 mW
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
SDLS053B − OCTOBER 1976 − REVISED MAY 2004
(TOP VIEW)
4
V
1
16
CC
E0
5
2
15
GS
6
3
14
7
4
13
3
5
12
2
6
11
1
0
7
10
8
9
A0
(TOP VIEW)
3 2 1 20 19
GS
18
3
17
NC
16
2
15
1
14
9 10 11 12 13
Copyright  2004, Texas Instruments Incorporated
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LS148 Summary of contents