74AC139MTC

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74AC139MTC is a dual 1-of-4 decoder/demultiplexer belonging to the 74AC logic family. It features two independent decoding circuits, each with one input line and four output lines. The device operates within a supply voltage range of 2 V to 6 V and supports surface mount installation in a TSSOP-16 package. It functions across an industrial temperature range from -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Contains two independent 1-to-4 decoder or demultiplexer circuits
• Supports high-speed CMOS logic operation within the 74AC series
• Provides inverted outputs for decoded signals

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory systems
• Signal routing in digital control circuits
• Data distribution in communication interfaces

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Ensure compatibility with the target operating voltage and temperature range. Confirm RoHS compliance status through manufacturer documentation before integration into regulated assemblies.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding is required within a single package. Compare drive current capabilities and propagation delays against system requirements. Verify pinout compatibility if replacing legacy parts from other manufacturers.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the broader 74AC139 family, which includes variants with different packaging such as SOIC (74AC139SCX) and TSSOP (74AC139MTCX). These components share identical logical functionality but differ in physical footprint and mounting style. The AC series offers faster switching speeds compared to HC or LV families.