SN74LV540ADB

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LV540ADB is an octal buffer and driver manufactured by Texas Instruments, belonging to the LV logic series. It features eight non-inverting channels with three-state outputs housed in a 20-pin SSOP package. The device operates within a supply voltage range of 2 V to 5.5 V. Key electrical parameters include a maximum high-level output current of -16 mA and a low-level output current of 16 mA. Static current is specified at 20 uA. Propagation delay varies with voltage: 15.9 ns at 2.5 V, 10.5 ns at 3.3 V, and 7 ns at 5 V. The operating temperature range spans from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight non-inverting signal paths for data buffering and line driving applications.
• Features three-state outputs allowing direct connection to bus structures without external drivers.
• Supports wide supply voltage operation from 2 V to 5.5 V for compatibility with various logic families.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module address and data bus buffering
• Clock distribution and timing signal conditioning
• General-purpose bidirectional data bus transceivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'ADB' against the manufacturer's official ordering information to confirm the exact package type (SSOP) and tape/reel specifications. Ensure the component meets required RoHS compliance standards for your assembly process. Cross-reference the datasheet revision date to confirm parameter accuracy before finalizing procurement documentation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with a wide voltage tolerance between 2 V and 5.5 V. The non-inverting polarity makes it suitable for direct data path applications where signal phase must be preserved. Consider the SSOP package constraints for PCB layout density and thermal management requirements relative to the 125°C maximum junction temperature rating.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LV540A family of octal buffers and drivers with three-state outputs. It is designed for low-voltage CMOS applications, offering performance comparable to older 5-V TTL devices while consuming significantly less power. The LV series is characterized by its ability to interface directly with 3.3-V and 5-V systems, making it versatile for mixed-voltage digital designs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct pin-compatible alternatives within the same family include SN74LV540ADBR and SN74LV540ANSR. Verify that substitute parts maintain the same SSOP-20 package and electrical characteristics, specifically the 2 V to 5.5 V operating range and 16 mA drive capability, to ensure circuit functionality remains unchanged.