54HC4049E/B

Overview

The 54HC4049E/B is a hex inverting buffer/converter manufactured by Rochester Electronics, LLC. It belongs to the 54HC series of high-speed CMOS logic devices. The component features six independent inverting buffers within a single package. It is designed for military-grade applications, indicated by the '54' prefix, supporting an extended operating temperature range from -55°C to +125°C. The device utilizes CMOS technology and is available in ceramic dual in-line packages (CDIP) suitable for through-hole mounting.

Feature Summary

• Hex inverting buffer configuration providing six independent signal inversion channels
• Military-grade construction with hermetic ceramic packaging options
• Extended temperature operation capability for harsh environments
• CMOS technology ensuring low power consumption and high noise immunity

Applications

• Military aerospace systems requiring radiation-hardened or high-reliability logic
• Harsh environment industrial control circuits
• Signal level translation between different voltage domains
• Buffering digital signals in space-qualified equipment

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to confirm exact package type and qualification level. Ensure the part number matches the required military specification standards. Confirm availability of test reports or traceability documents if required for your application. Check for any lead-free or RoHS compliance statements in the latest datasheet. Validate the supplier's authorization status for Rochester Electronics products.

Selection Notes

Select this component when military-grade reliability and wide temperature operation are required. Consider the ceramic package for hermetic sealing needs. Evaluate the pinout compatibility with existing PCB layouts. Compare performance characteristics against other 54HC series alternatives. Verify voltage supply requirements match the system design constraints.

Part Context

Rochester Electronics specializes in sourcing and distributing obsolete and hard-to-find electronic components. The 54HC4049E/B falls under their portfolio of legacy logic devices. This part continues the functionality of original manufacturers' designs. It serves markets requiring long-term supply stability for critical systems.

Replacement Considerations

Check for direct equivalents from Texas Instruments or STMicroelectronics with matching 54HC specifications. Verify pin compatibility and electrical parameters before substitution. Ensure replacement parts meet the same military temperature and packaging requirements.