MC74VHC541MELG

Overview

The MC74VHC541MELG is an octal non-inverting buffer and line driver manufactured by onsemi. It belongs to the VHC logic series, featuring high-speed CMOS technology with 3-state outputs. The device operates within a supply voltage range of 2.0V to 5.5V and supports bidirectional data transfer. It utilizes a 20-pin SOEIAJ package with surface-mount installation. Key electrical characteristics include a maximum propagation delay of 12ns at specific load conditions and output drive capabilities of 8mA for both high and low states. The component functions as a bus driver compatible with CMOS and TTL interfaces.

Feature Summary

• Octal non-inverting buffer design with 3-state outputs for bus-oriented systems
• High-speed CMOS technology enabling rapid signal transmission
• Bidirectional direction control for flexible data flow management
• Wide operating voltage range supporting various logic families

Applications

• Memory address drivers in computer systems
• Clock distribution networks
• Bus-oriented system interconnects
• TTL to CMOS level translation

Procurement Notes

Verify the exact package marking and date code against the manufacturer's latest datasheet before integration. Confirm that the SOEIAJ-20 footprint matches your PCB layout requirements precisely. Ensure supply chain sources provide original manufacturer documentation to guarantee authenticity and performance specifications are met for your specific application environment.

Selection Notes

Select this component when an octal buffer with bidirectional capability and 3-state control is required. It is suitable for applications needing interface between different logic families within the VHC speed class. Consider the 20-pin SOEIAJ package constraints and the 2.0V to 5.5V operating range during circuit design. Ensure the 8mA output drive current meets the load requirements of the connected devices.

Part Context

This part is part of the MC74VHC541 family, which includes variants like MC74VHC541DTG and MC74VHCT541ADWG. These components share similar functional descriptions as octal buffers but may differ in package types such as TSSOP or SOIC, and specific electrical parameters like propagation delay times. The VHC series generally offers higher speed compared to standard HC logic families while maintaining CMOS compatibility.

Replacement Considerations

MC74VHC541DTG is a documented substitute variant from the same manufacturer offering identical logical functionality in a TSSOP package.