74ACQ240SC

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ACQ240SC is an inverting octal buffer and line driver belonging to the Quiet Series logic family. It features eight inputs and three-state outputs, designed for high-speed applications such as memory address driving and clock distribution. The device operates within a supply voltage range of 2V to 6V. Key electrical characteristics include a propagation delay of 8ns at 3.3V and 6.5ns at 5V. Output drive capability provides -24mA high-level and 24mA low-level current. Static current consumption is specified at 4uA. The component is housed in a 20-SOIC package and supports surface mount installation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Inverting octal buffer and line driver architecture
• Three-state output configuration for bus-oriented applications
• Quiet Series design for reduced signal noise

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus-oriented applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component status carefully as this part may be discontinued or obsolete depending on the specific manufacturing lot and date code. Confirm RoHS compliance requirements against current project specifications, as legacy documentation indicates potential non-compliance with modern environmental standards. Ensure the 20-SOIC package dimensions match the target PCB footprint exactly before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an inverting octal buffer with three-state outputs is required for high-speed digital systems. The ACQ series offers improved noise immunity compared to standard AC logic. Consider the 2V to 6V operating range for compatibility with various logic levels. Verify that the 20-SOIC package size fits the available board space and that the inverting polarity aligns with the circuit design requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This component is part of the 74AC logic family, specifically the Quiet Series variant which reduces switching noise. It serves as an octal buffer and line driver, providing eight channels of signal buffering with three-state control. The device is manufactured by Fairchild Semiconductor, now part of onsemi, and utilizes CMOS technology for high-speed operation with low power consumption.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.