HCTS541KMSR

Overview

The HCTS541KMSR is a radiation-hardened, non-inverting octal buffer and line driver manufactured by Renesas Electronics Corporation. It utilizes CMOS/SOS technology to provide high-speed operation in extreme environments. The device features eight channels with three-state outputs and operates within a temperature range of -55°C to 125°C. It is designed for applications requiring resilience against total ionizing dose up to 200K RAD (Si) and single-event upset immunity exceeding 100 MEV-cm²/mg.

Feature Summary

• Radiation hardened design utilizing CMOS/SOS technology
• High-speed non-inverting octal buffer functionality
• Three-state output capability for bus driving
• Immunity to single-event upsets in harsh environments

Applications

• Spacecraft data handling systems
• Satellite communication interfaces
• Nuclear instrumentation electronics
• Avionics control modules

Procurement Notes

Verify the specific suffix KMSR against official Renesas documentation to confirm package type and radiation qualification status. Ensure compatibility with system voltage levels and interface requirements before integration. Confirm availability through authorized distributors as this component may have limited supply chains due to its specialized nature.

Selection Notes

Select this component when radiation hardness is mandatory for the application environment. Compare performance metrics such as propagation delay and power consumption against standard commercial alternatives if environmental conditions permit. Consider the ceramic package options for enhanced thermal and mechanical stability in vacuum or high-vibration scenarios.

Part Context

This part belongs to the HCT series of logic devices, specifically engineered for high-reliability applications. It represents a subset of Renesas' portfolio dedicated to space-grade and military-standard electronic components, ensuring long-term operational stability where standard silicon would fail due to radiation exposure.

Replacement Considerations

Direct replacements must match the radiation hardness specifications and pinout configuration. Verify that any substitute component meets the same total dose and SEE tolerance levels required by the original design constraints.