SN74AC05WBQARQ1

Overview

The SN74AC05WBQARQ1 is an automotive-grade hex inverter with open-drain outputs, qualified under AEC-Q100 standards. It operates within a supply voltage range of 1.5V to 6V and supports input voltages up to 6V. The device provides continuous output drive currents of 24mA at 5V, with short-burst capabilities reaching 75mA. It features wettable flank QFN packaging for enhanced inspection reliability. Electrical performance includes a maximum propagation delay of 6.6ns at 5V with a 50pF load, enabling effective driving of 50Ω transmission lines.

Feature Summary

• AEC-Q100 qualification for automotive applications across specified temperature grades
• Open-drain CMOS outputs allowing wired-AND configurations and high-impedance states
• Wettable flank QFN package design facilitating automatic optical inspection verification
• Standard CMOS inputs requiring defined transition rates to prevent oscillation

Applications

• Driving indicator LEDs
• Synchronizing inverted clock inputs
• Inverting digital signals

Procurement Notes

Verify the specific ordering suffix matches the required package type, as the BQA designation corresponds to the WQFN form factor. Confirm that the component meets the necessary AEC-Q100 grade requirements for your target automotive environment. Ensure all electrical parameters align with system voltage and current specifications before finalizing procurement decisions.

Selection Notes

Select this component when open-drain logic inversion is required for automotive systems. The wide operating voltage range accommodates various power supply architectures. Consider the thermal characteristics and layout guidelines provided in the datasheet to manage heat dissipation and signal integrity effectively during implementation.

Part Context

This device belongs to the SN74AC05-Q1 family of automotive hex inverters. It shares functional similarities with other AC series logic devices but is distinguished by its open-drain output structure and automotive-specific qualification. The inclusion of wettable flanks differentiates it from standard QFN packages, offering improved solder joint visibility and reliability.

Replacement Considerations

Direct substitutes include other SN74AC05-Q1 variants with different package options such as TSSOP.