74ACTQ244SJ

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ACTQ244SJ is an octal buffer and line driver featuring three-state outputs, belonging to the Quiet Series of logic components. It operates within a supply voltage range of 4.5V to 5.5V and supports a wide operating temperature range from -40°C to 85°C. The device utilizes a 20-lead Small Outline package (SOIC) with a standard 0.300-inch width. Designed for high-speed applications, it provides low-noise performance suitable for demanding digital systems.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight non-inverting buffers with three-state output control for bus-oriented applications
• Features low-noise Quiet Series design to minimize signal interference in sensitive circuits
• Offers high-speed operation comparable to equivalent Bipolar Schottky TTL while maintaining CMOS power efficiency

Buffers, Drivers, Receivers, Transceivers Applications

• Memory system data buffering
• Microprocessor system interface driving
• Communication equipment signal transmission

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix SJ corresponds to the SOIC-20 package configuration before ordering. Confirm RoHS compliance status as manufacturing processes may evolve. Check current availability as this component type may be subject to lifecycle changes or obsolescence notices from the manufacturer.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when requiring high-speed octal buffering with noise reduction capabilities. Ensure the application voltage aligns with the 4.5V to 5.5V specification. Consider the SOIC-20 footprint constraints during PCB layout design to ensure proper thermal and electrical performance.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC/ACT logic family, specifically the Quiet Series variant designed for reduced electromagnetic interference. It serves as a high-performance alternative to standard AC/ACT buffers, offering improved signal integrity for complex digital designs requiring multiple buffered channels.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the 74ACQ244D and 74ACQ244L from National Semiconductor, which share identical functional descriptions and pinouts for direct replacement in existing designs.