JM54AC74S2A-RH

Overview

The JM54AC74S2A-RH is a dual D-type flip-flop with preset and clear functions, belonging to the high-speed CMOS 54AC series. Designed for aerospace applications, it features radiation hardness of 300 krad (Si) total ionizing dose and immunity from single event latch-up up to 110 MeV.cm²/mg. The device operates within a voltage range of 2 V to 6 V and supports temperatures from -55 °C to +125 °C. It is housed in hermetic packages suitable for difficult environmental conditions.

Feature Summary

• Radiation-hardened design ensuring reliability in high-radiation environments
• Immunity to single event latch-up and upset events
• Hermetic packaging for protection against harsh conditions

Applications

• Aerospace systems requiring radiation tolerance
• Satellite communication equipment
• Spacecraft control logic circuits

Procurement Notes

Verify that the component meets specific military or aerospace qualification standards such as SMD specifications. Confirm radiation hardness ratings align with mission requirements. Ensure hermetic package integrity is maintained during handling and installation to preserve environmental resistance.

Selection Notes

Select this part when radiation tolerance and single-event immunity are critical. Compare operating voltage ranges and temperature limits against system constraints. Consider hermetic packaging needs versus non-hermetic alternatives based on environmental exposure levels.

Part Context

This component is part of the 54ACxxxx series, which includes various high-speed CMOS logic functions. The series is specifically engineered to meet stringent radiation requirements for aerospace industries, offering robust performance in extreme conditions compared to standard commercial logic devices.

Replacement Considerations

Check for direct substitutes within the same radiation-hardened family. Verify pin compatibility and electrical characteristics before substitution.