74ACT139MTCX

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74ACT139MTCX is a dual 1-of-4 decoder/demultiplexer integrated circuit belonging to the 74ACT logic series. It features two independent decoding circuits, each with one input and four outputs, housed in a 16-TSSOP surface-mount package. The device operates on a single power supply within a voltage range of 4.5V to 5.5V. It supports a wide operating temperature range from -40°C to +85°C and provides high-speed performance characteristics typical of AC logic families.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 1-of-4 decoding functionality within a single package
• High-speed CMOS technology for efficient signal processing
• Surface-mount TSSOP-16 packaging for compact board integration

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor systems
• Data distribution in digital communication interfaces
• Memory chip select generation in embedded controllers

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'MTCX' against official datasheets to confirm the 16-TSSOP package and reel packaging configuration. Ensure compatibility with 4.5V to 5.5V supply rails and check RoHS compliance status via manufacturer documentation before procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding is required in space-constrained designs. The ACT series offers speed comparable to LS TTL with CMOS low power consumption. Verify that the 16-TSSOP footprint matches the PCB layout and that the 5V logic levels align with system requirements.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the standard 74AC/ACT logic family, widely used for general-purpose digital logic applications. The 74ACT variant specifically bridges the performance gap between older TTL standards and modern CMOS technologies, offering improved switching speeds while maintaining compatible input/output electrical characteristics for legacy system upgrades.