Description
74242 Quadruple
Bus Transceiver
With Inverted Three-State Outputs DIP-14 IC
74LS242 Features:
Hysteresis at Inputs to Improve Noise Margin
2-Way Asynchronous Data Bus Communication
PNP Inputs Reduce D-C Loading
74LS242 Pinout Diagram:
74LS242 Pin Description:
Pin No
Pin Name
Description
1
GBA’
Active Low Enable Pin
2
NC
Not Used
3
1A
Channel 1 Of Transceiver (A)
4
2A
Channel 2 Of Transceiver (A)
5
3A
Channel 3 Of Transceiver (A)
6
4A
Channel 4 Of Transceiver (A)
7
GND
Ground
8
4B
Channel 4 Of Transceiver (B)
9
3B
Channel 3 Of Transceiver (B)
10
2B
Channel 2 Of Transceiver (B)
11
1B
Channel 1 Of Transceiver (B)
12
NC
Not Used
13
GBA
Active High Enable pin
14
VCC
Positive Supply
Product Attributes:
TYPE
DESCRIPTION
Category
Integrated Circuits (ICs)
Logic
Buffers, Drivers, Receivers, Transceivers
Series
74LS
Logic Type
Transceiver, Inverting
Number of Elements
1
Number of Bits per Element
4
Current – Output High, Low
15mA, 24mA
Voltage – Supply
4.75V ~ 5.25V
Operating Temperature
0°C ~ 70°C (TA)
Mounting Type
Through Hole
Package / Case
14-DIP
Base Product Number
74LS242
Applications:
Two-way asynchronous communication between data buses
Bidirectional data transfer in microprocessor-based systems
Data routing
Signal buffering between logic families or for signal reinforcement
Use in industrial control systems
Use in telecommunications systems
Use in computing systems
Package Contents:
1x
74242 Quadruple Bus Transceiver With Inverted Three-State Outputs DIP-14 IC
SN74LS242 Datasheet
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