SN74AHCT139DGVR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHCT139DGVR is a dual 2-to-4-line decoder/demultiplexer from the Texas Instruments SN74AHC139 family. It operates on a single power supply ranging from 2 V to 5.5 V and features low static power consumption. The device utilizes CMOS technology with Schmitt-trigger inputs for noise immunity. It is housed in a 16-pin TVSOP package suitable for surface-mount applications. The component supports an operating temperature range from -40°C to +125°C, ensuring reliability in demanding environments.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 2-to-4 line decoding and demultiplexing capabilities within a single integrated circuit
• Schmitt-trigger inputs provide enhanced noise filtering and signal integrity
• Wide operating voltage range compatible with standard logic families
• Extended industrial temperature rating for robust performance

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory and I/O port selection
• Demultiplexing data streams in communication systems
• Control logic for peripheral device activation
• General-purpose digital signal routing

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix DGVR confirms the TVSOP-16 package and tape-and-reel shipping format. Confirm the AHTC logic level compatibility matches the system's input voltage requirements. Ensure the manufacturer part number aligns exactly with the design bill of materials to avoid pinout or electrical specification mismatches during procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoders are required in a compact surface-mount footprint. The AHTC series offers speed and power advantages over standard HC logic while maintaining TTL-compatible input thresholds. Consider the TVSOP package dimensions for PCB layout constraints and thermal management requirements relative to the application's power dissipation limits.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74AHC139 family of high-speed CMOS logic devices. It shares functional similarities with other 74-series decoders but distinguishes itself through advanced CMOS technology and extended temperature ranges. The family includes variants with different packaging options and logic levels, catering to diverse automotive and industrial electronic design needs.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHCT139DRGVR: Same logic function and package type with potential minor manufacturing lot variations. SN74AHC139DGVR: Similar functionality but lacks Schmitt-trigger inputs, affecting noise immunity characteristics.