SN74AHCT126QDREP

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHCT126QDREP is a military-enhanced quad bus buffer gate manufactured by Texas Instruments. It belongs to the AHCT logic series, utilizing CMOS technology with non-inverting polarity and three-state outputs. The device operates within a supply voltage range of 4.5 V to 5.5 V. It features a propagation delay of 7.5 ns and supports output currents of 8 mA at both high and low states. The component functions within an extended temperature range from -55°C to +125°C and is housed in a TSSOP-14 package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Military-grade enhanced reliability for demanding operational environments
• Four independent channels providing isolated bus buffering capabilities
• Three-state output design enabling effective bus line management

Buffers, Drivers, Receivers, Transceivers Applications

• Military avionics signal routing systems
• Defense communication equipment bus interfaces
• Spacecraft data handling subsystems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific QDREP suffix against official manufacturer documentation to confirm military qualification status and exact pinout configuration. Ensure compatibility with existing board layouts regarding the TSSOP-14 footprint. Cross-reference datasheet electrical characteristics with system requirements before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high-reliability buffering is required for military applications. The AHCT series ensures TTL-compatible input thresholds while maintaining CMOS performance benefits. Verify that the 4.5 V to 5.5 V operating voltage aligns with the target system power rails and that the wide temperature range meets environmental specifications.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is a specialized variant within the broader SN74AHCT126 family, distinguished by its military enhancement designation. While standard commercial versions exist, this specific model targets sectors requiring rigorous durability standards. It shares functional similarities with other buffered logic gates but offers specific ruggedization attributes defined by the manufacturer's military product line.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.