JM54AC244S2A-RH

Overview

The JM54AC244S2A-RH is a high-speed CMOS octal bus driver from the AC series, manufactured by National Semiconductor. It features two independent 4-bit buffers with true outputs and three-state control. The device operates within a supply voltage range of 2V to 6V for the CMOS AC series. It is housed in a hermetic ceramic LCC-20 package (QCCN) suitable for military and aerospace applications. The component supports an operating temperature range from -55°C to +125°C and provides a maximum output current of 12mA.

Feature Summary

• High-speed CMOS technology designed for demanding radiation environments
• Octal configuration with independent 3-state non-inverted outputs
• Hermetic ceramic packaging ensuring reliability in harsh conditions

Applications

• Aerospace data bus interfaces
• Military communication systems
• Harsh environment signal buffering

Procurement Notes

Verify the specific suffix 'S2A-RH' against official National Semiconductor or Texas Instruments documentation to confirm radiation hardness qualification levels and lot traceability requirements. Ensure the procurement channel provides necessary export control compliance documents for military-grade components. Confirm package integrity and hermetic seal specifications upon receipt.

Selection Notes

Select this component when radiation tolerance and hermetic sealing are critical for the application. Compare pinout compatibility and electrical characteristics with other 54AC244 variants if space constraints or specific voltage thresholds differ. Verify that the 3-state output timing meets system synchronization requirements.

Part Context

This part belongs to the 54AC family of high-speed CMOS logic devices. These components are engineered to meet stringent aerospace standards, offering robust performance under extreme thermal and radiative stress. The manufacturer ensures consistency through rigorous quality control processes for military-specification integrated circuits.

Replacement Considerations

Check for direct equivalents such as the standard 54AC244 or other rad-hard variants from qualified manufacturers. Ensure any substitute maintains the same hermetic ceramic package and radiation hardness ratings to preserve system integrity.