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SNJ54HC42W Datasheet Preview

SNJ54HC42W Datasheet

4-LINE TO 10-LINE DECODERS

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D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 14 ns
D ±4-mA Output Drive at 5 V
SN54HC42 . . . J OR W PACKAGE
SN74HC42 . . . D, N, OR NS PACKAGE
(TOP VIEW)
01
12
23
34
45
56
67
GND 8
16 VCC
15 A
14 B
13 C
12 D
11 9
10 8
97
SN54HC42, SN74HC42
4ĆLINE TO 10ĆLINE DECODERS (1 of 10)
SCLS091D − DECEMBER 1982 − REVISED SEPTEMBER 2003
D Low Input Current of 1 µA Max
D Full Decoding of Input Logic
D All Outputs Are High for Invalid BCD
Conditions
D Also for Applications as 3-Line to 8-Line
Decoders
SN54HC42 . . . FK PACKAGE
(TOP VIEW)
2
3 2 1 20 19
4
18
B
35
17 C
NC 6
16 NC
47
15 D
58
14 9
9 10 11 12 13
NC − No internal connection
description/ordering information
These decimal decoders consist of eight inverters and ten 4-input NAND gates. The inverters are connected
in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid input logic
ensures that all inputs remain off for all invalid input conditions.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC42N
SN74HC42N
Tube of 40
SN74HC42D
−40°C to 85°C SOIC − D
Reel of 2500
Reel of 250
SN74HC42DR
SN74HC42DT
HC42
SOP − NS
Reel of 2000 SN74HC42NSR
HC42
CDIP − J
Tube of 25
SNJ54HC42J
SNJ54HC42J
−55°C to 125°C CFP − W
Tube of 150
SNJ54HC42W
SNJ54HC42W
LCCC − FK
Tube of 55
SNJ54HC42FK
SNJ54HC42FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
1




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SNJ54HC42W Datasheet Preview

SNJ54HC42W Datasheet

4-LINE TO 10-LINE DECODERS

No Preview Available !

SN54HC42, SN74HC42
4ĆLINE TO 10ĆLINE DECODERS (1 of 10)
SCLS091D − DECEMBER 1982 − REVISED SEPTEMBER 2003
FUNCTION TABLE
INPUTS
OUTPUTS
NO.
D
C
B
A
0
1
2
3
4
5
6
7
8
9
0
L
L
L
L
L
H
H
H
H
H
H
H
H
H
1
L
L
L
H
H
L
H
H
H
H
H
H
H
H
2
L
L
H
L
H
H
L
H
H
H
H
H
H
H
3
L
L
H
H
H
H
H
L
H
H
H
H
H
H
4
L
H
L
L
H
H
H
H
L
H
H
H
H
H
5
L
H
L
H
H
H
H
H
H
L
H
H
H
H
6
L
H
H
L
H
H
H
H
H
H
L
H
H
H
7
L
H
H
H
H
H
H
H
H
H
H
L
H
H
8
H
L
L
L
H
H
H
H
H
H
H
H
L
H
9
H
L
L
H
H
H
H
H
H
H
H
H
H
L
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
H
H
H
H
H
H
H
H
H
Invalid
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SNJ54HC42W
Description 4-LINE TO 10-LINE DECODERS
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