QS74FCT544TP

Buffers, Drivers, Receivers, Transceivers Overview

The QS74FCT544TP is an octal registered bus transceiver manufactured by Quality Semiconductor. It features a single function with eight bits of data width and inverted outputs. The device utilizes CMOS technology and is housed in a 24-pin PDIP package. It operates on a nominal supply voltage of 5 V, with a propagation delay of 5.5 ns at nominal supply. The component supports bidirectional control and independent control types, providing three-state output characteristics suitable for high-speed digital applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal registered bus transceiver architecture supporting bidirectional data transfer
• CMOS technology ensuring compatibility with standard logic families
• Three-state output capability for efficient bus line management
• Inverted output polarity for specific signal inversion requirements

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus interfaces requiring registered storage
• Bidirectional memory bus architectures
• System clock distribution networks
• Address driver circuits in computing systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the exact suffix configuration against the manufacturer's current datasheet to ensure pinout and electrical specifications match the design requirements. Confirm RoHS compliance status as historical records indicate non-compliance for some variants. Validate the package type and lead finish before integration into the production assembly process.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal registered transceiver with inverted outputs is required for bidirectional bus applications. Ensure the system operates within the specified 5 V supply range and temperature limits. Consider the 24-pin DIP package constraints for PCB layout and verify that the 5.5 ns propagation delay meets the timing requirements of the target interface.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the FCT series of fast CMOS logic devices produced by Quality Semiconductor. The series is designed for high-speed applications, offering performance comparable to older TTL technologies while maintaining CMOS power efficiency. The QS74FCT544TP specifically addresses the need for registered data latching in bus transceiver roles.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Cross-reference with other manufacturers' 74FCT544 equivalents such as those from IDT or Pyramid Semiconductor. Verify functional compatibility regarding output polarity and package dimensions before substitution.