SN74AHCT126DG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHCT126DG4 is a quad bus buffer gate from the SN74AHCT126 series, manufactured by Texas Instruments. It features four non-inverting buffers with three-state outputs housed in a 14-SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports an output current of 8 mA for both high and low states. It exhibits a propagation delay of 7.5 ns and functions reliably across an extended temperature range from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides four independent non-inverting buffer channels with individual control
• Features three-state outputs allowing effective bus line isolation
• Ensures high-impedance states during power-up or power-down conditions

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems requiring signal buffering
• Clock distribution networks for timing synchronization
• Memory address and data bus drivers in embedded controllers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DG4' against the manufacturer's latest documentation to confirm compliance with RoHS3 standards and lead-free manufacturing processes. Ensure the selected package matches the required PCB footprint dimensions for the 14-SOIC form factor. Cross-reference the component marking code on received units with official datasheet images to authenticate the source and prevent counterfeit infiltration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a CMOS logic family compatible with TTL input levels is required for 5 V applications. The AHCT series ensures compatibility with standard 5 V logic interfaces while offering improved switching speeds compared to legacy counterparts. Consider the thermal performance of the SOIC package if operating near the upper limit of the specified temperature range.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74AHCT126 family of quad bus buffers. It serves as a specialized variant within the broader 74-series logic ecosystem, designed specifically for applications demanding robust signal integrity and noise immunity in digital communication pathways. The DG4 designation indicates a specific packaging and environmental compliance configuration offered by Texas Instruments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AHCT126DR is a direct pin-compatible alternative from Texas Instruments. SN74AHCT126DQNR offers similar functionality with a different reel-based packaging option. Verify that any substitute maintains the same 4.5 V to 5.5 V operating voltage range and 14-pin SOIC footprint.