74FCT244AQSC

Buffers, Drivers, Receivers, Transceivers Overview

The 74FCT244AQSC is an octal buffer and line driver manufactured by National Semiconductor, part of the 74FCT logic series. It features non-inverting outputs with tri-state capability, controlled by two active-low output enables. The device operates on a supply voltage range of 4.75V to 5.25V. It provides high drive strength with an output current of 15mA for high state and 64mA for low state. Packaged in bulk format, it is designed for high-speed bus driving applications requiring CMOS compatibility with Schottky TTL speed.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight non-inverting buffer channels
• Tri-state outputs enabled by dual active-low control signals
• High current drive capability supporting heavy bus loads
• CMOS technology ensuring low power dissipation

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and I/O mapping
• Clock drivers and buffering
• Bidirectional data bus transmission

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm package integrity and pin alignment upon receipt. Check for obsolescence status as National Semiconductor assets are managed by Texas Instruments. Ensure storage conditions meet specified humidity and temperature limits to prevent degradation before installation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high fan-out and fast switching speeds are required in 5V logic systems. Compare against VHCT or ACT families for specific voltage or speed trade-offs. Ensure input levels match the source logic family. Verify that the bulk packaging meets assembly line requirements compared to tube or reel options.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the FCT (Fast CMOS Technology) family, bridging the performance gap between standard CMOS and Bipolar Schottky TTL. It offers propagation delays comparable to bipolar devices while maintaining CMOS power advantages. The AQSC suffix typically denotes specific packaging and temperature grade variations within the National Semiconductor product line.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74FCT244ASC is a direct functional equivalent from the same manufacturer. The 74ACTQ244F offers similar tri-state octal buffering with potentially different drive characteristics. Verify pinout compatibility and electrical parameters before substituting with generic 74FCT244 variants.