CLVC540AQDWRG4Q1

Overview

The CLVC540AQDWRG4Q1 is an automotive-grade octal buffer and line driver from Texas Instruments, belonging to the SN74LVC540A-Q1 series. It features eight inverting inputs with three-state outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 2 V to 3.6 V. Key electrical parameters include a maximum high-level output current of -24 mA and a low-level output current of 24 mA. Propagation delay is specified at 7.1 ns at 2.7 V and 5.3 ns at 3.3 V. It supports operation temperatures from -40°C to +125°C and holds AEC-Q100 qualification.

Feature Summary

• Automotive grade qualification compliant with AEC-Q100 standards for reliability in vehicle applications
• Octal configuration providing eight independent inverting buffer channels with three-state control
• Low voltage operation capability supporting 2 V to 3.6 V power supplies for modern system integration

Applications

• Automotive electronic systems requiring certified logic components
• High-speed data bus buffering and signal driving
• Microcontroller interface circuits for level shifting and isolation

Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and temperature rating. Confirm AEC-Q100 certification status is required for your specific automotive application. Check for any recent Product Change Notifications that may affect marking or assembly details before finalizing procurement specifications.

Selection Notes

Select this component when an inverting octal buffer with three-state outputs is needed for automotive environments. Ensure the design requires inverting logic rather than non-inverting, which would necessitate the CLVC541 variant. Verify that the 20-pin SOIC footprint matches the PCB layout constraints and that the 2 V to 3.6 V operating range aligns with the system power rails.

Part Context

This device is part of the broader SN74LVC family of low-voltage CMOS logic ICs. The 'Q1' suffix denotes automotive qualification, while 'CLVC' indicates the specific LVC technology node optimized for low voltage. It shares the same pinout and mechanical dimensions as standard commercial variants but meets stricter automotive reliability and testing requirements defined by AEC-Q100.

Replacement Considerations

Direct functional substitutes within the same family include the SN74LVC540A-Q1. For non-automotive applications, the SN74LVC540A may be considered if AEC-Q100 qualification is not mandatory. Ensure any replacement maintains the 20-pin SOIC package and three-state output characteristics.