MC74HCT541AFELG

Overview

The MC74HCT541AFELG is an octal buffer and line driver manufactured by onsemi, belonging to the HCT logic family. It features eight non-inverting inputs with three-state outputs, designed for high-speed digital applications. The device operates within a supply voltage range of 4.5V to 5.5V. It utilizes a 20-pin SOEIAJ package, suitable for surface-mount assembly. Key electrical characteristics include a low static current consumption and robust output drive capabilities, ensuring reliable signal transmission in TTL-compatible systems.

Feature Summary

• Provides eight non-inverting buffered channels for signal expansion
• Features three-state outputs to facilitate bus-oriented architectures
• Compatible with standard TTL logic levels for seamless integration

Applications

• Bus-oriented memory and address drivers
• Clock distribution circuits
• Data acquisition systems requiring signal buffering

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot traceability and RoHS compliance status prior to procurement. Ensure storage conditions meet specified humidity and temperature limits to prevent moisture sensitivity issues during soldering processes.

Selection Notes

Select this component when interfacing between 5V CMOS logic and TTL loads is required. Consider the HCT series compatibility for lower power consumption compared to older HC variants. Evaluate the SOEIAJ-20 package dimensions against available PCB real estate constraints before finalizing the design.

Part Context

This part belongs to the MC74HCT541A family of octal buffers. It serves as a critical interface element in digital electronics, enabling data flow control across multiple lines. The HCT technology ensures compatibility with legacy TTL systems while offering improved noise immunity and speed characteristics typical of modern CMOS devices.

Replacement Considerations

MC74HCT541ADTR2G is listed as a similar substitute option.