74AHCT126D-Q100,11

Buffers, Drivers, Receivers, Transceivers Overview

The Nexperia 74AHCT126D-Q100,11 is a quad buffer and line driver with three-state outputs, qualified to AEC-Q100 Grade 1 standards for automotive applications. It operates within a supply voltage range of 4.5 V to 5.5 V and accepts TTL input levels. The device features Schmitt-trigger inputs, overvoltage tolerance, and balanced propagation delays. Packaged in an SO14 (SOT108-1) plastic small outline package, it supports ambient temperatures from -40 °C to +125 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• TTL-compatible input logic levels with Schmitt-trigger action
• Overvoltage tolerant inputs allowing operation in mixed-voltage environments
• Three-state outputs controlled by active HIGH enable inputs

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic systems requiring signal buffering
• Mixed-voltage level translation between TTL and CMOS domains
• High-speed data bus driving applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when TTL-level compatibility is required alongside high-speed performance in automotive environments. Ensure the design accommodates the 4.5 V to 5.5 V supply voltage range and utilizes the SO14 package constraints for thermal management at elevated temperatures.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Nexperia 74AHC/AHCT126-Q100 family of quad buffers. It shares functional similarities with other members like the 74AHCT126PW-Q100 but differs in packaging. The 'D' suffix specifically denotes the SO14 package variant, distinguishing it from TSSOP or DHVQFN options within the same logical family.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct pin-compatible substitutes include the 74AHCT126PW-Q100 (TSSOP14 package) and 74AHCT126BQ-Q100 (DHVQFN14 package). Verify that the alternative package meets the mechanical and thermal requirements of the target application.