5446/BEA

Overview

The Rochester Electronics LLC 5446/BEA is a high-speed CMOS logic gate component, specifically functioning as a dual four-input NAND gate. This device belongs to the standard 5446 series of digital integrated circuits, designed for robust performance in demanding environments. It features a plastic ceramic flat package configuration suitable for military and aerospace applications requiring extended temperature stability. The internal architecture utilizes complementary metal-oxide-semiconductor technology to ensure low power consumption while maintaining fast switching speeds. Key electrical characteristics include defined input threshold voltages and output drive capabilities compatible with standard TTL loads. The component is engineered to operate reliably across wide voltage ranges, providing consistent logical inversion for complex digital signal processing tasks.

Feature Summary

• Dual four-input NAND logic functionality within a single integrated circuit package
• High-speed CMOS construction ensuring low power dissipation and noise immunity
• Military-grade qualification supporting operation under extreme environmental conditions
• Robust plastic ceramic flat package design for enhanced mechanical durability

Applications

• Military avionics control systems requiring radiation-hardened or high-reliability logic
• Aerospace navigation and communication equipment digital interfaces
• Industrial automation controllers operating in harsh electromagnetic environments
• Defense electronics signal processing and data routing networks

Procurement Notes

Verify authenticity through authorized distributors or certified surplus suppliers. Confirm lot codes and traceability documentation match military specifications. Inspect for physical damage to pins and package integrity. Ensure storage conditions prevent moisture absorption prior to soldering. Request detailed test reports verifying electrical parameters against original datasheet limits.

Selection Notes

Select this component when dual four-input NAND functionality is required in high-reliability applications. Consider the plastic ceramic package for superior thermal and mechanical stability compared to standard plastic variants. Evaluate pin compatibility with existing PCB footprints before integration. Assess voltage and current requirements to ensure alignment with system logic levels. Verify temperature range specifications meet operational environment constraints.

Part Context

Rochester Electronics specializes in sourcing and distributing obsolete and hard-to-find electronic components. The 5446/BEA represents a legacy part originally manufactured by major semiconductor vendors. Rochester ensures these components undergo rigorous testing to guarantee performance standards. This approach supports maintenance of critical systems where original production has ceased. The company focuses on providing verified replacements for defense and industrial sectors.

Replacement Considerations

Direct pin-to-pin replacements may be available from other manufacturers producing equivalent 5446 series parts. Verify logical function and electrical parameters match exactly before substitution. Check package dimensions and pinout configurations for compatibility. Ensure replacement components meet the same military or industrial grade specifications.