JM54AC109S2A-RH

Overview

The JM54AC109S2A-RH is a rad-hard dual D-type flip-flop with set and reset, manufactured by National Semiconductor (now Texas Instruments). It features advanced high-speed CMOS technology and Schmitt-trigger inputs for noise immunity. The device operates within an extended voltage range of 2.3 V to 5.5 V and supports bidirectional data transmission. It is packaged in a hermetic ceramic flat 16-lead package screened per MIL-PRF-38535, ensuring reliability for space applications. The component guarantees up to 100 krad (Si) total ionizing dose tolerance and exhibits no single-event latch-up at linear energies up to 110 MeV.cm²/mg.

Feature Summary

• Hermetic ceramic packaging compliant with MIL-PRF-38535 standards
• Rad-hard design with guaranteed radiation tolerance
• Schmitt-trigger inputs for enhanced noise immunity
• Extended operating voltage range from 2.3 V to 5.5 V

Applications

• Spacecraft data bus interfaces
• Satellite command and control systems
• Radiation-hardened memory storage elements
• Avionics asynchronous communication links

Procurement Notes

Verify the specific ordering suffix and manufacturer lot traceability upon request. Confirm that the supplier provides a Certificate of Conformance referencing MIL-PRF-38535 screening requirements. Ensure the component matches the exact National Semiconductor or Texas Instruments part number designation to guarantee rad-hard specifications are met for your mission profile.

Selection Notes

Select this component when radiation hardness is critical for space or high-altitude environments. It serves as a direct replacement for other rad-hard AC-series flip-flops requiring hermetic packaging. Consider the extended voltage range and Schmitt-trigger inputs if interfacing with noisy digital buses in mixed-signal systems where signal integrity is paramount.

Part Context

This part belongs to the 54AC series of rad-hard logic devices, designed for military and aerospace applications. It complements other transceivers and latches in the same family, such as the 54AC164245, providing essential sequential logic functions. The series is characterized by low power dissipation and high-speed operation suitable for complex digital systems in harsh environments.

Replacement Considerations

The 54AC109S2A is functionally compatible with other rad-hard dual D-flip-flops in the 54AC family. Verify pinout compatibility before substituting with equivalent parts from other manufacturers qualified under similar military standards.