54ACTQ04J-QMLV

Overview

The National Semiconductor 54ACTQ04J-QMLV is a high-speed CMOS hex inverter designed for aerospace applications. It features QML-V qualification and ceramic hermetic packaging. The device operates within a voltage range of 4.5 V to 5.5 V with absolute maximum ratings of 7 V. It exhibits high radiation hardness, including a total ionizing dose tolerance of 300 krad(Si) RHA and single-event latch-up immunity up to 110 MeV.cm²/mg. The component supports an operating temperature range from -55 °C to +125 °C.

Feature Summary

• QML-V qualified for demanding space conditions
• High radiation hardness against total ionizing dose and single-event effects
• Ceramic hermetic package construction

Applications

• Aerospace digital logic systems
• Harsh environmental electronic circuits
• Spacecraft signal inversion interfaces

Procurement Notes

Verify the specific QML-V certification level and lot traceability documentation prior to procurement. Confirm that the ceramic hermetic package meets the required military standards for the intended mission profile. Ensure compatibility with the system's power supply voltage constraints and thermal management requirements under extreme operating conditions.

Selection Notes

Select this component when radiation-hardened performance and hermetic sealing are mandatory for the application. The 54ACT series offers TTL-compatible input thresholds suitable for interfacing with existing digital logic families. Consider the specific radiation environment and temperature extremes to ensure the device remains within its characterized operational limits throughout the mission duration.

Part Context

This part belongs to the 54AC/54ACT series of high-speed CMOS functions. These components are engineered to meet stringent aerospace industry radiation requirements. The series includes various logic gates, flip-flops, and bus interfaces housed in robust ceramic packages suitable for space deployment.

Replacement Considerations

Direct substitutes must share the same QML-V qualification status and functional equivalence. Verify pinout compatibility and radiation hardness specifications before substitution.