74ACT139MTC

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74ACT139MTC is a dual 1-of-4 decoder/demultiplexer belonging to the 74ACT logic series. It features two independent decoders, each with three address inputs and four active-low outputs. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports single-ended input configurations. It provides differential output types and includes inverting/non-inverting polarity options. Packaged in a TSSOP-14 surface-mount format, it ensures compatibility with standard TTL logic levels while offering high-speed performance characteristics suitable for digital data routing applications.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 1-of-4 decoding architecture
• Active-low output configuration
• TTL-compatible input thresholds
• High-speed AC logic performance

Signal Switches, Multiplexers, Decoders Applications

• Digital data routing systems
• Address decoding circuits
• Demultiplexing signal distribution
• Memory addressing modules

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for end-of-life notices as availability may be restricted. Ensure proper handling procedures for static-sensitive devices during storage and assembly processes.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding functionality is required within a compact surface-mount package. Consider the 74ACT series specifications for speed and voltage compatibility with existing system infrastructure. Evaluate pinout requirements against available PCB layout constraints before finalizing the design choice.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the broader 74ACT family of high-speed CMOS logic devices manufactured by onsemi. These components are designed to replace older 74LS equivalents while providing improved switching speeds and lower power consumption. The specific model integrates dual decoder functions into a single integrated circuit package for space-efficient designs.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Cross-reference with MC74ACT139D for alternative packaging options. Verify functional equivalence with other 74ACT139 variants from different manufacturers if supply chain constraints require substitution.