74AHCT139PW,112

Signal Switches, Multiplexers, Decoders Overview

The 74AHCT139PW,112 is a decoder/demultiplexer from the Nexperia 74AHCT logic family. It features one 2-to-4 line decoder with active-low outputs in a 16-TSSOP package. The device operates on a single power supply ranging from 4.5 V to 5.5 V. It provides an output current capability of 8 mA for both high and low states. The component supports an operating temperature range from -40°C to +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides decoding functionality for address lines into mutually exclusive active-low outputs
• Compatible with standard TTL input levels due to AHCT logic family characteristics
• Supports demultiplexing operations by utilizing enable inputs as data strobes

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory structures
• Demultiplexing data streams in digital systems
• Chip select generation for peripheral devices

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 112 against official Nexperia documentation to confirm tape-and-reel packaging specifications. Confirm that the 74AHCT139PW,112 designation aligns with current manufacturing standards, as availability may vary by region. Ensure compatibility with existing PCB footprints and voltage requirements before finalizing procurement plans.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when TTL-compatible input thresholds are required within a 5 V system. The AHCT series ensures noise immunity while maintaining interface compatibility with older logic families. Consider the 16-TSSOP package constraints for board space and thermal management during selection.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74AHCT series, which bridges CMOS performance with TTL compatibility. The 74AHCT139 specifically addresses applications requiring efficient address decoding or data distribution. It serves as a fundamental building block in complex digital circuits where signal routing and memory addressing are critical functions.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The 74AHCT139PW,118 is a documented alternative variant from Nexperia offering identical logical functionality. Verify pinout and electrical parameters match before substitution.