MC74VHC540DWR2G

Overview

The MC74VHC540DWR2G is an octal bus buffer manufactured by onsemi using advanced high-speed CMOS technology. It features eight inverting outputs with three-state capability, operating within a supply voltage range of 2 V to 5.5 V. The device provides high-level output current of -8 mA and low-level output current of 8 mA. Propagation delay varies from 11 ns at 5 V to higher values at lower voltages. It is housed in a 20-pin SOIC-Wide package and supports surface-mount installation.

Feature Summary

• Octal configuration with inverting logic function
• Three-state output control for bus line management
• Wide operating voltage range supporting 2 V to 5.5 V systems

Applications

• Memory module address and data buffering
• Clock distribution networks
• Bus-oriented transmissions

Procurement Notes

Verify the specific suffix 'DWR2G' against the manufacturer's official datasheet to confirm the tape-and-reel packaging format and RoHS compliance status. Ensure the ordering part number matches the exact pinout and electrical specifications required for the target circuit design before finalizing procurement.

Selection Notes

Select this component when an octal inverting buffer with three-state outputs is required for low-voltage digital applications. The wide input voltage range allows compatibility with various logic families. Consider the propagation delay characteristics relative to the system clock speed and ensure the thermal dissipation capabilities of the SOIC-Wide package suit the application environment.

Part Context

This component belongs to the MC74VHC540A series of octal bus buffers. It is part of onsemi's portfolio of high-speed CMOS logic devices designed for efficient signal transmission and buffering in complex digital circuits. The device serves as a critical interface element for managing data flow between different sections of a system.

Replacement Considerations

Check for direct pin-compatible substitutes such as the MC74HC540ADWR2G or MC74VHC540ADWR2G, ensuring voltage levels and drive strengths meet requirements.