74AHC240D-Q100J

Buffers, Drivers, Receivers, Transceivers Overview

The 74AHC240D-Q100J is an octal buffer and line driver manufactured by Nexperia, part of the 74AHC logic family. It features non-inverting outputs with 3-state capability controlled by an output enable input. The device operates within a supply voltage range of 2 V to 5.5 V and supports a wide operating temperature range from -40 °C to +125 °C. It is qualified to AEC-Q100 standards for automotive applications. The component is housed in a 20-pin SOIC package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal buffer and line driver with non-inverting functionality
• 3-state outputs controlled by a dedicated output enable input
• Qualified to AEC-Q100 Grade 1 automotive standards
• Wide supply voltage operation from 2 V to 5.5 V

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic systems requiring high-speed buffering
• High-density data bus driving applications
• General-purpose digital signal buffering in industrial environments

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation carefully, as the model number corresponds to Nexperia products while NXP USA Inc. is listed in some distributor records due to historical corporate lineage. Confirm the specific suffix 'Q100J' matches the required automotive qualification grade and package variant. Ensure the ordering information aligns with current Nexperia datasheets rather than legacy NXP documentation to avoid discrepancies in electrical specifications or packaging details.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal, non-inverting buffer with 3-state control is required for high-speed CMOS logic interfaces. It is suitable for designs needing wide voltage compatibility between 2 V and 5.5 V. Consider the 20-pin SOIC package constraints for PCB layout. Verify that the AEC-Q100 qualification meets the specific reliability requirements of the target application environment.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74AHC series of high-speed Si-gate CMOS logic devices. The 74AHC240 variant specifically provides eight independent buffers. The Q100 suffix indicates automotive qualification according to AEC-Q100 standards. The D package denotes a standard small-outline plastic housing. This series is designed for applications demanding low power consumption and high switching speeds.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include other 74AHC240 variants from different manufacturers that meet AEC-Q100 Grade 1 qualifications. Ensure pinout compatibility and identical electrical characteristics, particularly the 3-state output behavior and supply voltage range. Verify that any replacement maintains the same 20-pin SOIC package dimensions for direct footprint substitution.