JM54AC374SRA-RH

Overview

The JM54AC374SRA-RH is a radiation-hardened octal D-type flip-flop manufactured by National Semiconductor, now part of Texas Instruments. It features three-state outputs and is designed for high-speed digital applications in aerospace environments. The device operates within a voltage range of 2V to 6V and supports a temperature range from -55°C to +125°C. It offers immunity to single-event latch-up and upset, with a total ionizing dose tolerance of 300 krad (Si). The component is housed in a hermetic package suitable for harsh conditions.

Feature Summary

• Radiation hardening with immunity to single event latch-up and upset
• Hermetic packaging for reliable operation in difficult environmental conditions
• High-speed CMOS technology compatible with standard logic interfaces

Applications

• Aerospace satellite communication systems
• Spacecraft data bus interfaces
• Military avionics control units
• Nuclear environment instrumentation

Procurement Notes

Verify the specific ordering suffix and manufacturer documentation to confirm radiation hardness qualifications. Ensure the supplier provides traceability certificates and test reports compliant with military or aerospace standards. Check for availability of qualified lots and confirm compliance with SMD specifications if required for your application.

Selection Notes

Select this component when radiation hardness is critical for system reliability. Consider the operating voltage range and temperature requirements to ensure compatibility with the rest of the circuit. Verify that the hermetic package meets the mechanical and environmental constraints of the target application.

Part Context

This part belongs to the 54AC series of radiation-hardened logic devices. It is designed to meet the stringent requirements of the aerospace industry, offering robust performance against radiation effects. The series includes various logic functions, with this specific model providing octal D-type flip-flop capabilities.

Replacement Considerations

Consider equivalent radiation-hardened parts from other manufacturers such as STMicroelectronics or Cobham Semiconductor Solutions. Verify pinout compatibility and electrical specifications before substitution.

FAQ

What is the maximum total ionizing dose tolerance?

The device guarantees full compliance with radiation requirements, including a total ionizing dose tolerance of 300 krad (Si).

Is the device immune to single-event effects?

Yes, the device is immune to single-event latch-up (SEL) up to 110 MeV.cm²/mg and single-event upset (SEU).