SN74LVC540ADBR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC540ADBR is an octal buffer and line driver manufactured by Texas Instruments. It belongs to the LVC logic family and features inverting polarity with tri-state outputs. The device operates within a supply voltage range of 1.65 V to 3.6 V. It provides high-level output current of -24 mA and low-level output current of 24 mA, with a static current of 10 µA. The component is housed in a TSSOP-20 package and supports an operating temperature range from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal buffering architecture providing eight independent input-output channels
• Tri-state output capability for bus-oriented systems
• Inverting signal polarity configuration
• Low power consumption design suitable for battery-operated applications

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module data buffering
• Clock distribution networks
• Portable consumer electronics
• Industrial control systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DBR' against official manufacturer documentation to confirm the tape and reel packaging format and quantity. Ensure the part number matches the exact pinout and electrical specifications required for your circuit design. Cross-reference the datasheet revision date to confirm compliance with current RoHS standards and material declarations before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits requiring octal buffering with low voltage operation between 1.65 V and 3.6 V. The TSSOP-20 package is suitable for surface-mount assembly where space constraints exist. Consider the -24 mA/24 mA drive strength for driving moderate capacitive loads. Verify that the inverting polarity aligns with the system logic requirements compared to non-inverting alternatives.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is a member of the Texas Instruments SN74LVC540 series, which includes variants with different packaging options such as SOIC and TSSOP. The 'D' suffix indicates a SOIC-style body, while 'B' denotes the TSSOP package type. The 'R' suffix typically signifies reel packaging. Other series members may offer different drive strengths or temperature ranges.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include SN74LVC540APWR and SN74LVC540APWT, which share identical logical functions and electrical characteristics but differ in package style (TSSOP vs. TSSOP) and shipping format. Verify pin compatibility and thermal performance when swapping these variants.