54AC541/QSA

Overview

The 54AC541/QSA is a high-speed CMOS octal bus buffer manufactured by Rochester Electronics, LLC. It features eight non-inverting outputs with three-state capability and operates within a voltage range of 2 V to 6 V. The component is housed in a hermetic package designed for radiation hardness, providing immunity to total ionizing dose up to 300 krad(Si) and single event latch-up. It supports an operating temperature range from -55 °C to +125 °C and meets QML-V qualification standards for demanding aerospace environments.

Feature Summary

• High-speed CMOS technology for octal bus buffering applications
• Three-state output control for efficient bus line management
• Hermetically sealed packaging suitable for harsh environmental conditions
• Radiation hardened design ensuring reliability in space applications

Applications

• Aerospace data bus systems requiring radiation tolerance
• Military electronic equipment operating in extreme temperatures
• Satellite communication interface circuits
• Harsh environment signal buffering and isolation

Procurement Notes

Verify the specific manufacturer lot traceability and quality certification documents upon receipt. Confirm that the delivered components match the QML-V qualification requirements specified for this part number. Ensure proper handling procedures are followed due to the sensitive nature of radiation-hardened semiconductor devices.

Selection Notes

Select this component when designing systems that require robust performance under high radiation levels and wide temperature variations. The hermetic package provides necessary protection against moisture and contaminants. Consider the 2 V to 6 V supply range compatibility with existing system power rails before integration.

Part Context

This device belongs to the 54AC series of high-speed CMOS logic functions. It serves as an octal bus driver with three-state outputs, commonly used in digital systems for data transmission. The QSA suffix indicates specific military or aerospace grade processing and testing protocols applied by the manufacturer.

Replacement Considerations

Direct substitutes include other QML-V qualified 54AC541 variants from manufacturers such as STMicroelectronics or Texas Instruments. Verify pinout compatibility and radiation hardness specifications before substitution.