74VHC139M

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74VHC139M is a dual 2-to-4 decoder/demultiplexer integrated circuit belonging to the 74VHC logic family. It features a single-supply voltage range of 2 V to 5.5 V and operates within an ambient temperature range of -40°C to +85°C. The device utilizes a 16-pin SOIC surface-mount package and contains two independent decoding circuits.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 2-to-4 decoding architecture
• CMOS technology for low power consumption
• Wide operating voltage compatibility

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor systems
• Data routing in digital communication interfaces
• Memory chip selection logic

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix against official documentation, as it may indicate variations in tape-and-reel packaging or environmental compliance. Confirm RoHS status through manufacturer declarations. Check current lifecycle status to ensure availability for new designs.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a dual 2-to-4 decoding function is required with CMOS input/output characteristics. Ensure the design environment supports the specified 2 V to 5.5 V supply range and industrial temperature limits.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74VHC series, which offers high-speed performance comparable to standard TTL while maintaining low power dissipation typical of CMOS devices. It serves as a fundamental building block for address decoding and data distribution in general-purpose digital electronics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Cross-reference with MC74VHC139DR2G or 74VHC139MX for functional equivalents. Verify pinout compatibility and electrical specifications before substitution.