SN54LS42J Motorola, SN54LS42J Datasheet

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SN54LS42J

Manufacturer Part Number
SN54LS42J
Description
One-of-ten decoder
Manufacturer
Motorola
Datasheet
1.SN54LS42J.pdf (3 pages)

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Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
SN54LS42J
Quantity:
5 510
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
SN54LS42J
Quantity:
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BOSTOCK HK LIMITED BOSTOCK HK LIMITED
Part Number:
SN54LS42J
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ONE-OF-TEN DECODER
cept four BCD inputs and provide ten mutually exclusive outputs. The LS42
is fabricated with the Schottky barrier diode process for high speed and is
completely compatible with all Motorola TTL families.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
V CC = PIN 16
GND = PIN 8
PIN NAMES
A 0 – A 3
0 to 9
Temperature Ranges.
The LSTTL / MSI SN54 / 74LS42 is a Multipurpose Decoder designed to ac-
Multifunction Capability
Mutually Exclusive Outputs
Demultiplexing Capability
Input Clamp Diodes Limit High Speed Termination Effects
= PIN NUMBERS
V CC
16
1
0
0
1
15
A 0
2
1
1
2
CONNECTION DIAGRAM DIP (TOP VIEW)
14
A 1
A 0
3
2
15
2
Address Inputs
Outputs, Active LOW (Note b)
A 2
13
4
3
3
A 3
12
5
4
3
LOGIC DIAGRAM
4
A 1
11
9
5
6
14
4
5
10
8
7
6
5
GND
9
8
6
7
A 2
13
FAST AND LS TTL DATA
6
NOTE:
The Flatpak version has the
same pinouts (Connection
Diagram) as the Dual In-Line
Package.
7
0.5 U.L.
LOADING (Note a)
HIGH
10 U.L.
7
9
A 3
5-53
5(2.5) U.L.
12
8
0.25 U.L.
LOW
10
9
11
16
16
SN54/74LS42
ONE-OF-TEN DECODER
ORDERING INFORMATION
16
LOW POWER SCHOTTKY
1
1
SN54LSXXJ
SN74LSXXN
SN74LSXXD
0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 9 10 11
1
LOGIC SYMBOL
15
A 0
V CC = PIN 16
GND = PIN 8
A 1
14
13
A 2
Ceramic
Plastic
SOIC
CASE 751B-03
CASE 620-09
CASE 648-08
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
12
PLASTIC
A 3
SOIC

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SN54LS42J Summary of contents

Page 1

... The LSTTL / MSI SN54 / 74LS42 is a Multipurpose Decoder designed to ac- cept four BCD inputs and provide ten mutually exclusive outputs. The LS42 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families. Multifunction Capability Mutually Exclusive Outputs ...

Page 2

The LS42 decoder accepts four active HIGH BCD inputs and provides ten mutually exclusive active LOW outputs, as shown by logic symbol or diagram. The active LOW outputs facilitate addressing other MSI units with LOW input enables. The logic design ...

Page 3

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage Output HIGH Voltage Output HIGH ...

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