74ACQ240SJX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACQ240SJX is an octal buffer and line driver featuring inverting 3-STATE outputs. It utilizes Quiet Series technology to ensure quiet output switching and improved dynamic threshold performance. The device operates within a supply voltage range of 2.0V to 6.0V and supports an operating temperature range from -40°C to +85°C. Key electrical characteristics include a maximum quiescent supply current of 40.0 µA, output source/sink capability of 24 mA, and propagation delays ranging from 1.5 ns to 10.5 ns depending on voltage and load conditions.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Employs Quiet Series technology for guaranteed simultaneous switching noise levels and improved dynamic threshold performance.
• Features GTO output control and undershoot corrector mechanisms alongside a split ground bus design.
• Provides inverting 3-STATE outputs suitable for driving bus lines or buffering memory address registers.
• Offers faster propagation delays compared to standard ACT240 devices with reduced ICC and IOZ values.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus oriented transmitters or receivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package variant (SOP-20) against the ordering code suffix 'J' and tape/reel status indicated by 'X'. Confirm that the component meets the required logic family specifications for ACQ series operation. Ensure compatibility with the intended voltage levels and environmental temperature ranges before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high-density PC board designs require octal buffering with minimized simultaneous switching noise. It is appropriate for applications needing improved latch-up immunity and symmetrical output impedance. Consider the specific propagation delay requirements at the target operating voltage to ensure signal integrity across the bus lines.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ACQ/ACTQ Quiet Series family of octal buffers and line drivers. It is designed to replace standard 74AC240 devices where noise reduction and dynamic threshold performance are critical. The device maintains pin and function compatibility with the broader 74AC240 series while offering enhanced electrical characteristics through specialized internal circuitry.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers: 74ACQ240SC, 74ACQ240PC, 74ACTQ240SC, 74ACTQ240SJ, 74ACTQ240QSC, 74ACTQ240PC.