Manufacturer Part Number
SN74LS138N
Manufacturer
Texas Instruments
Introduction
The SN74LS138N is a high-performance decoder/demultiplexer from Texas Instruments, designed for applications requiring routing and control of multiple signals.
Product Features and Performance
Integrated 1 to 3:8 decoder/demultiplexer circuitry
Capable of handling three enable inputs to simplify cascading
Provides low output for selected input
High noise immunity
Direct output drive for LEDs or other displays
Product Advantages
Optimized for use in high-performance memory-decoding or data-routing applications
Outputs can drive up to 10 LS-TTL loads
Low power consumption with high output speed
Key Technical Parameters
Single 3:8 circuit configuration
Output Current: High 400μA, Low 8mA
Voltage Supply Source: Single Supply
Voltage Supply Range: 4.75V to 5.25V
Operating Temperature Range: 0°C to 70°C
Quality and Safety Features
Built to comply with RoHS standards
Rugged construction ensures reliability and durability under wide temperature ranges
Compatibility
Compatible with all typical 74LS series logic devices
Suitable for Through Hole mounting to support various PCB designs
Application Areas
Suitable for high-speed memory decoders and data switching systems
Ideal for industrial control systems, consumer electronics, and telecommunication infrastructure
Product Lifecycle
Currently in an active product life cycle stage
No advised discontinuation, ongoing support and production assured
Several Key Reasons to Choose This Product
Reliable performance with direct LED drive capability
Low power consumption enhances system efficiency
Broad compatibility simplifies integration into existing 74LS logic systems
Extended operating temperature range suitable for a wide range of applications
Active product support and availability ensure long-term usability
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