MC74HCT541AF

Overview

The MC74HCT541AF is an octal buffer and line driver manufactured by onsemi, belonging to the HCT logic series. It features eight non-inverting inputs with three-state outputs, housed in a 20-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V. It supports a wide operating temperature range from -55°C to +125°C. Key electrical characteristics include a maximum propagation delay of 33 ns at 5 V, low static current consumption, and output drive capabilities of 6 mA for both high and low states.

Feature Summary

• Provides octal buffering and line driving functions with true (non-inverting) output polarity.
• Features three-state outputs controlled by an enable input to facilitate bus-oriented architectures.
• Compatible with TTL voltage levels due to the HCT logic family specifications.
• Designed for surface-mount installation in compact electronic systems.

Applications

• Bus-oriented systems requiring data direction control
• Clock buffering and distribution networks
• Memory module address and data line drivers

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific lot traceability requirements before procurement. Ensure storage conditions adhere to moisture sensitivity level guidelines to prevent package damage during soldering processes.

Selection Notes

Select this component when interfacing between CMOS logic and TTL-compatible devices is required. The HCT series ensures voltage compatibility with standard 5 V logic families. Consider the extended industrial temperature range if the application environment exceeds standard commercial limits. Verify pinout compatibility with existing PCB footprints.

Part Context

This part belongs to the 74HCT541 family of octal buffers. It serves as a fundamental building block for digital signal routing in complex integrated circuits. The device is widely used in computer peripherals and communication interfaces where reliable data transmission across multiple lines is necessary.

Replacement Considerations

MC74HCT541ADTR2G

FAQ

What is the logic family classification of the MC74HCT541AF?

It belongs to the HCT (High-speed CMOS Technology) logic family, which provides TTL-compatible input thresholds.

Does the MC74HCT541AF support bidirectional data transfer?

No, it is a unidirectional buffer with non-inverting outputs; bidirectional transfer requires a transceiver device.