Manufacturer Part Number
DM74LS155N
Manufacturer
onsemi
Introduction
The DM74LS155N is a dual 1-of-4 decoder/demultiplexer designed for use in digital systems where logic signal switching, specifically addressing and decoding, is required.
Product Features and Performance
Dual 1-to-4 decoder/demultiplexer
Operates from a single power supply
High fan-out and drive capability
Designed for high-speed operations
TTL (Transistor-Transistor Logic) compatible
Typically used in memory chip select logic
Product Advantages
Facilitates decoding and multiplexing in digital circuits
Efficient implementation in systems with limited signal lines
Reduces the complexity of control logic
Key Technical Parameters
Circuit configuration: 1 x 2:4
Independent Circuits: 2
Current - Output High, Low: 400µA, 8mA
Voltage Supply Source: Single Supply
Voltage - Supply Range: 4.75V ~ 5.25V
Operating Temperature Range: 0°C ~ 70°C
Package / Case: 24-DIP (0.600", 15.24mm)
Quality and Safety Features
Designed for standard operating conditions
Complies with applicable industry standards for safety and reliability
Manufactured by onsemi, a reputable semiconductor company
Compatibility
Works with TTL level signals
Compatible with 24-pin DIP socket or through-hole PCB layout
Application Areas
Multiple applications in digital electronics
Memory selection for computers
Data routing in communication systems
Control systems
Industrial electronics
Product Lifecycle
Status: Obsolete
Replacements or upgrades may need to be sourced from different part series or manufacturers
Several Key Reasons to Choose This Product
Simplifies complex logic designs by handling multiple input signals
Highly reliable within its operating temperature range
Renowned manufacturer with a track record of quality in the semiconductor industry
Can be used in a wide array of applications which require logic signal switching
Good performance for legacy systems maintenance or educational purposes