Manufacturer Part Number
SN54LS139AJ
Manufacturer
Texas Instruments
Introduction
The SN54LS139AJ is a high-performance, dual 2-line to 4-line decoder/demultiplexer integrated circuit.
Product Features and Performance
Dual independent 2-to-4 decoder/demultiplexer functionality
54LS series with low-power Schottky technology
Designed for high-speed memory decoding or data routing
Provides two separate output enables for each decoder
Typical power dissipation of 190 mW
Glitch-free output transitions
Product Advantages
High noise immunity characteristic of LS logic families
Direct replacement for other standard 54LS-series decoder/demultiplexers
Functional at a wide range of voltage and temperature, offering design flexibility
Key Technical Parameters
Circuit configuration: 1 x 2:4
Independence circuits: 2
Current - Output High, Low: 400µA, 4mA
Voltage Supply Source: Single Supply
Voltage - Supply Range: 4.5V to 5.5V
Operating Temperature Range: -55°C to 125°C
Quality and Safety Features
Built with high-grade materials for longevity and reliability
Ensures stable operation over extended temperatures
Conforms to stringent industry standards for quality and safety
Compatibility
Compatible with TTL-level logic signals
Can be used in various standard through-hole PCB assemblies
Application Areas
Memory decoding for computer systems
Data routing for telecommunications
Control systems for industrial processes
Complex logic circuitry requiring multiple selection lines
Product Lifecycle
Currently active and in production
No indication of nearing discontinuation at this time
Potential upgrades consistently evaluated as part of Texas Instruments' innovation pipeline
Several Key Reasons to Choose This Product
Efficient power consumption aligns with green energy standards
High functionality and flexibility make it suitable for complex electronic systems
Long operational lifespan under tough environmental conditions
Maintained and supported by Texas Instruments, a leader in semiconductor design
