SN74AHC139RGYR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC139RGYR is a dual 2-line to 4-line decoder/demultiplexer from Texas Instruments, belonging to the AHC logic series. It operates within a supply voltage range of 2 V to 5.5 V and features low static power consumption typical of CMOS technology. The device utilizes a 16-pin TSSOP package suitable for surface-mount applications. It supports an operating temperature range from -40°C to +85°C. Propagation delay is specified at 10.5 ns under standard conditions. This component provides reliable decoding functions for digital systems requiring compact form factors and wide voltage compatibility.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 2-to-4 line decoding capability
• Wide operating voltage range supporting 2V to 5.5V supplies
• Low static power consumption inherent to AHC CMOS technology
• Active-low output enable control for precise signal management

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in embedded microcontroller systems
• Data distribution in industrial control panels
• Memory chip select generation in computing hardware
• Peripheral interface selection in automotive electronics

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix RGYR corresponds to the 16-pin TSSOP package with tape-and-reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure ESD handling procedures are followed during assembly due to CMOS sensitivity. Cross-reference pinout diagrams with target PCB layout requirements to prevent orientation errors during placement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding channels are required within a single compact package. The AHC series offers faster switching speeds compared to standard HC logic while maintaining compatible input/output levels. Consider the 2V minimum supply voltage for battery-operated applications where power efficiency is critical. Verify that the TSSOP-16 footprint matches existing board space constraints and thermal management strategies.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74AHC139 family of decoders and demultiplexers manufactured by Texas Instruments. The AHC designation indicates advanced high-speed CMOS technology optimized for performance and low power. The RGYR suffix specifies the physical package type and reel packaging method. This series serves as a standard solution for address decoding and data routing tasks in general-purpose digital logic circuits.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHC139DWR: Same logical function in SOIC-16 package. SN74AHC139PW: Equivalent function in TSSOP-16 package. SN74AHCT139RGYR: Compatible if 5V-only operation is sufficient.