SN74AHC139NSR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC139NSR is an automotive-grade dual 2-line to 4-line demultiplexer from Texas Instruments, belonging to the AHC logic series. It features a TSSOP-16 package with two independent decoding circuits. The device operates within a supply voltage range of 2 V to 5.5 V and supports a maximum propagation delay of 10.5 ns. It is designed for surface-mount installation and functions reliably across an extended temperature range from -40°C to +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Automotive qualification ensuring reliability in vehicle electronic systems
• Dual independent decoder/demultiplexer architecture for efficient signal routing
• Wide operating voltage compatibility supporting various system power rails

Signal Switches, Multiplexers, Decoders Applications

• Automotive body control modules
• Instrument cluster signal distribution
• Infotainment system address decoding

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'NSR' against the official Texas Instruments datasheet to confirm the exact package type and tape-and-reel specifications. Ensure the component meets the required automotive grade standards for your target application environment before finalizing procurement decisions.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when automotive certification is mandatory for decoder applications requiring low power consumption and high speed. Compare the TSSOP-16 footprint requirements against available PCB space. Evaluate the 2V to 5.5V operating range against your system's power supply stability.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74AHC139 family of dual decoders. It shares functional similarities with other AHC series devices but is distinguished by its automotive qualification and specific packaging options. It serves as a digital switching solution for managing multiple output lines from fewer input signals.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for SN74AHC139DGR or SN74AHC139PW as potential non-automotive alternatives if automotive grade is not strictly required. Verify pinout compatibility and electrical characteristics before substituting.