74ACT11139D

Signal Switches, Multiplexers, Decoders Overview

The SN74ACT11139D is a dual 2-line to 4-line decoder/demultiplexer manufactured by Texas Instruments. It belongs to the SN74ACT logic series, designed for high-performance applications requiring short propagation delays. The device operates within a supply voltage range of 4.5 V to 5.5 V and features low output currents of ±24 mA. It is housed in a 16-pin SOIC package and supports surface-mount installation. The component functions as a single-function gate within the broader logic IC category.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides dual decoding or demultiplexing functionality with two independent channels
• Engineered for high-speed data routing and memory-decoding tasks
• Compatible with standard CMOS and TTL input levels

Signal Switches, Multiplexers, Decoders Applications

• High-performance memory decoding systems
• Data-routing circuits requiring fast signal switching
• Digital logic interfaces utilizing 2-to-4 line translation

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific revision level against the manufacturer's datasheet before integration. Confirm that the 16-SOIC package dimensions match the target PCB footprint. Ensure supply voltage constraints between 4.5 V and 5.5 V are strictly maintained during operation to prevent device malfunction or damage.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding paths are required in a compact surface-mount form factor. The ACT series offers improved speed over standard 74LS equivalents while maintaining CMOS power efficiency. Consider the 16-pin SOIC package size relative to available board space and thermal requirements for the specific application environment.

Signal Switches, Multiplexers, Decoders Part Context

This part is part of the SN74ACT family, which combines the speed of Schottky TTL with the low power consumption of CMOS technology. The 11139 variant specifically addresses dual-channel decoding needs, distinguishing it from single-channel decoders or higher-density multiplexers within the same logical product line.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for direct pin-compatible alternatives within the SN74ACT series. Verify if the SN74ACT139D serves as a functional substitute, ensuring identical pinout and electrical characteristics for seamless integration without circuit redesign.