74AHCT139D,118

Signal Switches, Multiplexers, Decoders Overview

The Nexperia 74AHCT139D,118 is a dual 2-line to 4-line decoder/demultiplexer integrated circuit manufactured in a 16-SOIC surface-mount package. It operates on a single power supply ranging from 4.5V to 5.5V and supports an operating temperature range of -40°C to +125°C. The device provides high noise immunity and features output drive capabilities of 8mA for both high and low states. It complies with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 2-to-4 decoding circuits within a single package
• CMOS technology ensuring low power dissipation and high noise immunity
• TTL-compatible input levels for direct interfacing with TTL logic systems

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory structures
• Chip select signal generation
• Demultiplexing data streams

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix '118' against the manufacturer's current datasheet to confirm packaging details and marking changes. Ensure the 16-SOIC footprint matches the target PCB design. Confirm compliance requirements such as RoHS3 and REACH status align with project specifications before finalizing procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual 2-to-4 decoding functionality is required in a compact surface-mount form factor. The AHCT series is appropriate for systems requiring TTL-compatible inputs while operating at standard 5V logic levels. Consider the 16-SOIC package dimensions for thermal management and board space constraints.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Nexperia 74AHCT logic family, which combines CMOS performance with TTL compatibility. The 74AHCT139 is functionally similar to other decoders like the 74AHC139 but specifically designed for 5V operation with TTL input thresholds. It serves as a standard solution for address decoding in digital electronics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Publicly confirmed substitute part numbers include MC74VHCT139ADTRG from onsemi.