MC74VHC244MELG

Overview

The MC74VHC244MELG is an octal bus buffer fabricated with advanced high-speed CMOS technology. It features non-inverting logic and three-state outputs, enabling efficient data transmission across digital systems. The device operates within a supply voltage range of 2.0 V to 5.5 V, ensuring compatibility with various logic families. Key electrical characteristics include low static power consumption and high noise immunity typical of CMOS architecture. It is housed in a compact SOEIAJ-20 package, suitable for surface-mount applications requiring dense circuit board layouts.

Feature Summary

• Octal configuration providing eight independent non-inverting buffers
• Three-state output capability for effective bus line management
• Advanced high-speed CMOS fabrication for enhanced performance
• Wide operating voltage range supporting 2.0 V to 5.5 V systems

Applications

• Memory module address and data bus buffering
• Clock distribution networks in digital systems
• I/O port expansion in embedded controllers
• Signal isolation between different voltage domains

Procurement Notes

Verify the specific suffix MELG corresponds to the SOEIAJ-20 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet to maintain component reliability during assembly processes.

Selection Notes

Select this component for designs requiring high-density octal buffering with low power consumption. The wide voltage range allows flexibility in system design without level shifting requirements. Consider the SOEIAJ-20 package constraints for PCB layout planning. Evaluate propagation delay specifications against system timing requirements to ensure signal integrity.

Part Context

This part belongs to the VHCT/VHC family of octal bus buffers from onsemi. It shares functional similarities with other members like the MC74VHCT244A but differs in package and specific electrical parameters. The VHCT series typically offers TTL-compatible inputs while maintaining CMOS advantages. This specific model represents a specialized packaging option within the broader logic IC portfolio.

Replacement Considerations

Direct substitutes include MC74VHC244ADWR2G or MC74VHC244ADTR2G for similar functionality in alternative packages. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with MC74VHCT244A if TTL input thresholds are required instead of standard CMOS thresholds.