SN74AC07WBQARQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AC07WBQARQ1 is an automotive-grade hex buffer with open-drain outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 1.5V to 6V and supports inputs up to 6V. The device provides continuous output drive of 24mA at 5V and short-burst drive capability of 75mA. It features a maximum propagation delay of 6.6ns at 5V with a 50pF load. Packaged in a 14-pin WQFN (BQA) format, it meets AEC-Q100 Grade 1 standards for operation between -40°C and +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• AEC-Q100 qualified for automotive applications
• Open-drain CMOS outputs for level-shifting
• Wide operating voltage range from 1.5V to 6V
• Wettable flank QFN package for improved inspection

Buffers, Drivers, Receivers, Transceivers Applications

• Drive indicator LEDs
• Level-shift using open-drain outputs
• Control relays

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific BQA package variant matches the required wettable flank specifications. Confirm that the AEC-Q100 Grade 1 qualification aligns with the target automotive temperature requirements. Ensure input signals do not exceed the absolute maximum ratings to prevent damage. Validate that the open-drain configuration suits the system's pull-up resistor design.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high-speed buffering with open-drain flexibility is required in automotive environments. The wide voltage range accommodates various logic levels. Consider the thermal performance of the WQFN package if driving significant loads. Verify that the 24mA continuous drive current meets the application's sink requirements without exceeding thermal limits.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74AC07-Q1 family of hex buffers. It shares functional characteristics with other members but is distinguished by its specific WQFN packaging and automotive qualification. The open-drain architecture differentiates it from standard push-pull buffers, enabling unique wiring configurations like wired-AND setups.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AC07PWRQ1

Buffers, Drivers, Receivers, Transceivers FAQ

Can unused inputs be left floating?

No, unused standard CMOS inputs must be terminated to VCC or ground to prevent oscillations and excessive power consumption.

What is the purpose of the thermal pad in the WQFN package?

The thermal pad can be connected to GND or left floating to assist with heat dissipation and mechanical stability.