74AHCT126BQ-Q100,1

Buffers, Drivers, Receivers, Transceivers Overview

The Nexperia 74AHCT126BQ-Q100,1 is a quad buffer and line driver featuring three-state outputs controlled by active HIGH output enable inputs (nOE). It operates within a supply voltage range of 4.5 V to 5.5 V and supports input voltages up to 5.5 V. The device is qualified to AEC-Q100 Grade 1 standards for automotive applications. It utilizes a DHVQFN14 package (SOT762-1) with side-wettable flanks. Operating temperatures are specified from -40 °C to +85 °C and extend to +125 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification in accordance with AEC-Q100 Grade 1 standard
• Inputs accept voltages higher than the supply voltage (VCC)
• All inputs feature Schmitt-trigger action for noise immunity
• DHVQFN package with side-wettable flanks enabling automatic optical inspection

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic systems requiring high reliability
• Mixed voltage environments utilizing overvoltage tolerant inputs
• Bus interface applications requiring three-state buffering

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix matches the required tape and reel configuration. Confirm that the DHVQFN14 package variant aligns with the PCB footprint design. Ensure the temperature grade meets the operational requirements for the target environment. Cross-reference the AEC-Q100 Grade 1 certification with system-level automotive standards.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when TTL-compatible logic levels are required at 4.5 V to 5.5 V operation. Choose the DHVQFN14 package for compact designs needing thermal enhancement and AOI compatibility. Verify that the active HIGH output enable logic matches the control scheme. Consider the extended temperature range if operating conditions exceed standard industrial limits.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AHC/AHCT126-Q100 family of quad buffers. It shares functional characteristics with other variants in the series but differs in input logic levels and packaging. The 'BQ' designation specifically identifies the DHVQFN14 package type. The '-Q100' suffix indicates automotive qualification status.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include other 74AHCT126 variants in different packages such as SO14 or TSSOP14. Non-automotive equivalents like the standard 74AHCT126 lack the required qualification. Verify pinout compatibility before substituting with similar quad buffer devices.