SN74LVC540DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC540DW is an octal buffer and line driver manufactured by Texas Instruments, featuring three-state outputs. It operates within a supply voltage range of 1.65 V to 3.6 V. The device provides high drive capability with output currents of -24 mA for high state and 24 mA for low state. It utilizes a 20-pin SOIC package and supports operation across a temperature range of -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight independent inverting buffer channels with three-state control
• Supports low-voltage operation from 1.65 V to 3.6 V
• Delivers symmetric drive strength for both high and low output states

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module data buffering
• Clock distribution networks
• High-density data bus drivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific datasheet revision and package marking details against the manufacturer's official documentation before integration. Confirm that the 20-SOIC footprint matches the target PCB design constraints. Ensure supply chain sources provide authentic components with traceable origin to avoid counterfeit risks.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring low-voltage logic interfacing with moderate drive current requirements. It is suitable for applications needing octal buffering with tri-state functionality. Consider thermal management if operating near maximum ambient temperatures or under continuous load conditions.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC540 family of octal buffers. It shares functional similarities with other LVC series devices but is distinct in its specific voltage range and drive characteristics compared to higher voltage counterparts like HCT or ALS variants.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVC540ADWR (Reel variant)

Buffers, Drivers, Receivers, Transceivers FAQ

What is the polarity of the SN74LVC540DW?

The device features inverting polarity, functioning as an octal inverting buffer.

Does the SN74LVC540DW support bidirectional data flow?

No, it is designed as a unidirectional buffer/driver with three-state outputs.