74ACQ244SJX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACQ244SJX is an octal buffer and line driver utilizing Fairchild Quiet Series technology. It features 3-STATE outputs, non-inverting logic, and a 20-pin SOP package (M20D). Operating voltage ranges from 2.0V to 6.0V with an operating temperature of -40°C to +85°C. Propagation delay is typically 5.0 ns at 5.0V. Outputs source/sink 24 mA. The 'SJX' suffix indicates the SOP package and tape-and-reel packaging.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Utilizes FACT Quiet Series technology for improved dynamic threshold performance and guaranteed quiet output switching.
• Features GTO output control and undershoot correction for superior noise immunity.
• Includes split ground bus design to reduce simultaneous switching noise levels.
• Provides 3-STATE outputs suitable for driving bus lines or buffering memory address registers.

Buffers, Drivers, Receivers, Transceivers Applications

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

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code against the manufacturer's current documentation to confirm availability and exact specifications. The 'SJX' designation confirms the SOP package style and reel packaging format. Ensure compatibility with existing PCB footprints designated for the M20D package type before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when low noise and high density are required in bus-oriented applications. The Quiet Series technology offers faster propagation delays compared to standard AC/ACT244 devices while maintaining lower power consumption. Verify that the 24 mA drive capability meets the load requirements of the connected circuitry.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ACQ/74ACTQ family of octal buffers. It is part of the broader 74-series logic IC portfolio designed for general-purpose digital applications. The specific model integrates advanced noise reduction features found in the FACT Quiet Series lineup.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check datasheets for cross-reference equivalents such as MC74ACQ244 or other manufacturers' 74ACQ244 variants. Ensure pinout compatibility and electrical characteristics match the original design requirements before substitution.

Buffers, Drivers, Receivers, Transceivers FAQ

What does the 'Quiet Series' designation imply for this component?

It indicates the use of FACT technology with GTO output control and undershoot correction to guarantee quiet output switching and reduced simultaneous switching noise.

How is the 'SJX' suffix defined?

The 'S' denotes the 20-Lead Small Outline Package (SOP), 'J' refers to the specific EIAJ TYPE II body width, and 'X' indicates the device is supplied in Tape and Reel packaging.