54ACTQ245WRQMLV

Overview

The 54ACTQ245WRQMLV is an octal bus transceiver manufactured by National Semiconductor. It features non-inverting, three-state outputs and operates on a single 5-volt supply. The device supports bidirectional data transmission between two buses, controlled by direction and enable inputs. Designed for high-performance applications, it utilizes Advanced CMOS technology to ensure low power consumption and radiation hardness. The component is housed in a 20-lead ceramic flatpack package suitable for demanding environments.

Feature Summary

• Radiation-hardened CMOS construction
• Non-inverting octal bus transceiver functionality
• Three-state output capability for direct bus driving
• Single 5-volt supply operation

Applications

• High-performance bus interface systems
• Asynchronous two-way communication between data buses
• Radiation-tolerant electronic circuits

Procurement Notes

Verify the specific QML qualification level (Q or V process) required for your application when sourcing this component. Confirm that the 20-lead ceramic flatpack package matches your board layout constraints. Ensure compatibility with the specified 5-volt logic levels and check for any lead-based material requirements if RoHS compliance is not mandated for the project.

Selection Notes

Select this component for applications requiring radiation tolerance and high-speed data transfer. It is suitable where low power consumption and noise immunity are critical. Consider the ceramic package for thermal stability and reliability in harsh environments compared to plastic alternatives.

Part Context

This part belongs to the ACT series of Advanced CMOS Logic devices from National Semiconductor. It is designed to replace older TTL equivalents while offering improved speed and lower power. The QML variant indicates military or aerospace-grade quality standards.

Replacement Considerations

Check for equivalent parts within the same QML family. Verify pinout compatibility before substituting with other octal transceivers.