54144J/B

Overview

The 54144J/B is a specialized integrated circuit manufactured by Rochester Electronics, LLC. It functions as a Counter-Latch-Decoder and Driver component within the specialized ICs category. The device is designed for robust performance in demanding environments, adhering to strict quality standards including ISO-9001 and AS9120 certifications. It supports Class Q Military specifications under MIL-PRF-38535, ensuring reliability for critical applications requiring authorized continuing source components.

Feature Summary

• Functions as a counter-latch-decoder and driver for digital logic systems
• Manufactured using original supplier dies or recreated IP with OCM approval
• Tested against original factory programs to guarantee datasheet compliance
• Qualified for military-grade reliability and lifecycle support

Applications

• Military and aerospace electronic systems
• Industrial control logic circuits
• Embedded communication hardware
• Defense infrastructure equipment

Procurement Notes

Verify that the specific lot corresponds to an authorized continuing source from Rochester Electronics. Confirm that the component meets the required Class Q Military specifications if applicable to your system. Ensure compatibility with existing design architectures before integration. Request official documentation to validate the manufacturing origin and test program adherence. Check for any specific ordering suffixes that may indicate package variations.

Selection Notes

Select this component when standard availability is exhausted and military-grade reliability is mandatory. It serves as a direct replacement for obsolete SN54 series equivalents. Consider the specialized nature of counter-latch-decoder functions versus general logic gates. Evaluate the need for Class Q qualification versus commercial temperature ranges. Verify that the manufacturer's lifecycle support aligns with long-term production requirements.

Part Context

Rochester Electronics specializes in semiconductor lifecycle solutions, providing authorized continuing source parts for end-of-life and obsolete components. The 54144J/B falls under their specialized ICs portfolio, bridging the gap for legacy designs. These components are often recreations or surplus from original manufacturers, tested to ensure they meet or exceed original data sheet parameters. This allows engineers to maintain existing designs without redesigning around new, incompatible parts.

Replacement Considerations

This part is functionally equivalent to the SN54144 series. Verify pinout compatibility with the original design. Ensure voltage levels and interface requirements match the target system. Check for any subtle differences in electrical characteristics between the Rochester recreation and the original manufacturer's specification.