74AC11139DR

Signal Switches, Multiplexers, Decoders Overview

The SN74AC11139DR is a dual 2-line decoder/demultiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 3 V to 5.5 V and features CMOS outputs with inverted polarity. The device supports through-hole installation in a 16-pin PDIP package or surface-mount mounting in a SOIC package. It functions across an operating temperature range from -40°C to +85°C. Key electrical characteristics include low-level output current capability and high-level output current capability, ensuring reliable signal routing in digital logic applications.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 2-line decoding and demultiplexing functionality
• CMOS output structure with inverted polarity
• Wide operating voltage range supporting 3V to 5.5V systems

Signal Switches, Multiplexers, Decoders Applications

• Digital address decoding circuits
• Signal routing and distribution networks
• Demultiplexing data streams in communication interfaces

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific package variant (PDIP or SOIC) required for your assembly process, as the part number suffix may indicate different physical footprints. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation before procurement. Ensure that the selected component matches the exact pin configuration and electrical specifications defined in the official datasheet to prevent integration errors.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding paths are required within a single integrated circuit. Consider the CMOS output drive strength and inverted logic levels during interface design. Evaluate the package type based on thermal management requirements and PCB space constraints. Verify compatibility with the system's voltage levels and operating temperature environment to ensure long-term reliability.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to the SN74AC series of advanced CMOS logic components. It provides compact solutions for complex logic functions compared to discrete gate implementations. The AC series offers improved speed and power consumption characteristics relative to older standard TTL equivalents. It is designed for use in modern digital systems requiring efficient signal processing and control logic.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for direct pin-compatible substitutes within the same logic family. Verify that alternative parts maintain identical voltage ranges and output characteristics. Ensure any replacement component meets the same environmental and regulatory standards.