54L78FM/B

Overview

The 54L78FM/B is a high-speed Schottky TTL flip-flop manufactured by Rochester Electronics, LLC. It features a dual D-type configuration housed in a ceramic flatpack package. The device operates within the standard military temperature range and supports reliable data storage in digital systems. It provides stable logic levels for complex circuit applications requiring precise timing control.

Feature Summary

• Dual D-type flip-flop architecture
• High-speed Schottky TTL technology
• Ceramic flatpack construction

Applications

• Digital data storage circuits
• Timing control systems
• Military grade electronic assemblies

Procurement Notes

Verify authenticity through visual inspection and electrical performance testing. Confirm packaging integrity and date codes. Ensure compliance with specified military standards. Request detailed test reports from authorized distributors to validate component reliability before integration into critical systems.

Selection Notes

Select this component for applications requiring robust Schottky TTL performance in harsh environments. Consider the ceramic flatpack package for thermal stability. Evaluate compatibility with existing military-grade design architectures. Ensure voltage levels match system requirements for optimal signal integrity.

Part Context

Rochester Electronics specializes in providing authentic legacy semiconductors. This part represents a continuation of National Semiconductor designs. It serves defense and aerospace sectors needing discontinued components. The manufacturer ensures quality through rigorous screening processes.

Replacement Considerations

Direct substitutes include equivalent D-type flip-flops from Texas Instruments. Verify pinout compatibility and logical function matches. Check package dimensions for mechanical fit. Consult official datasheets for parameter alignment.