74FCT544ASC

Buffers, Drivers, Receivers, Transceivers Overview

The 74FCT544ASC is an octal registered bus transceiver from the FCT series, manufactured by National Semiconductor. It features eight-bit bidirectional data transfer capability with inverted outputs and three-state logic. The device operates on a single 5V supply and utilizes a 24-pin SOIC package. Designed for high-speed applications, it provides controlled signal buffering and direction management in digital systems.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal registered bus transceiver architecture
• Bidirectional data transfer with independent control
• Three-state output configuration
• Inverted output polarity

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus interfacing
• Microprocessor system memory mapping
• Digital signal routing and buffering
• Bidirectional data gate control

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation as National Semiconductor or its successors. Confirm the 24-SOIC package variant matches project requirements. Ensure compatibility with 5V logic levels and check for RoHS compliance status if required by specific regulatory standards.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring octal registered data latching with bidirectional flow control. The inverted output characteristic must align with downstream logic input requirements. Consider the SOIC package constraints for PCB layout and thermal management in dense assemblies.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the FCT (Fast CMOS Technology) family, designed for improved speed over standard TTL equivalents. It serves as a registered buffer/transceiver, combining latching functionality with bus driving capabilities. The ASC suffix typically denotes specific packaging and temperature grade variations within the National Semiconductor portfolio.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

QS74FCT544CTP from IDT is a documented equivalent registered bus transceiver with similar functional specifications and PDIP24 packaging options.