SN74AHCT126NS

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHCT126NS is a quad bus buffer gate from the Texas Instruments AHCT logic family, designed for high-speed digital applications. It features four non-inverting buffers with three-state outputs and independent enable controls. The device operates within a supply voltage range of 4.5 V to 5.5 V, ensuring compatibility with standard CMOS logic levels. It provides an output drive capability of 8 mA at both high and low states, supporting robust signal transmission across buses. Packaged in a 14-pin SOIC format, it supports surface-mount installation and functions reliably across an extended temperature range.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides four independent non-inverting buffer channels with individual control inputs
• Features three-state outputs that allow direct connection to organized data buses
• Operates with CMOS-compatible input thresholds for seamless integration with HC/HCT logic families

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus buffering and line driving
• Clock distribution networks requiring precise signal integrity
• Memory address and data bus drivers in embedded systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and tape/reel specifications. Ensure the component matches the required operating temperature range and voltage parameters for your design. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if environmental regulations apply to your manufacturing process.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between different voltage domains or when driving multiple loads on a shared bus. The AHCT series offers faster switching speeds compared to standard HCT devices while maintaining compatible input thresholds. Consider the 14-pin SOIC package dimensions for PCB layout constraints. Evaluate the 8 mA drive strength against the capacitive load requirements of the destination circuits to ensure signal stability.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the SN74AHCT126 series, which represents a high-speed CMOS quad bus buffer with 3-state outputs. The AHCT variant specifically bridges the performance gap between older TTL-based logic and modern CMOS technologies. It is widely used in industrial and consumer electronics where reliable bus isolation and signal buffering are critical for system operation.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the SN74AHCT126DR and SN74AHCT126PW, provided the package footprint matches the design. Verify electrical characteristics such as propagation delay and output current capabilities before substitution.