Texas Instruments

SN74AHC540PW  

Buffers, Drivers, Receivers, Transceivers

SN74AHC540PW Description

The SN74AHC540PW from Texas Instruments is a high-performance 8-bit inverting buffer/driver designed for 2V to 5.5V voltage operation, making it suitable for a wide range of digital logic applications. Housed in a 20-pin TSSOP (Thin Shrink Small Outline Package), this surface-mount device offers robust signal conditioning with inverting logic, ensuring compatibility with various system-level designs. It belongs to the 74AHC series, known for its balance of speed and power efficiency, and complies with ROHS3 and REACH environmental standards. With a current output capability of 8mA (both high and low), it efficiently drives capacitive loads while maintaining signal integrity.

SN74AHC540PW Features

• Logic Type: Inverting buffer with 8-bit width and single-element integration.
• Wide Voltage Range: Operates from 2V to 5.5V, supporting mixed-voltage systems.
• High Drive Strength: 8mA output current (sink/source) for reliable signal transmission.
• Low Power Consumption: Optimized for energy-efficient designs, typical of the 74AHC family.
• Robust Packaging: 20-TSSOP ensures compact PCB footprint and thermal performance.
• Environmental Compliance: ROHS3, REACH Unaffected, and ECCN EAR99 certified.
• Reliability: MSL 1 (Unlimited) moisture sensitivity, suitable for extended storage.

SN74AHC540PW Applications

• Signal Isolation: Ideal for bus buffering and line driving in microcontroller/microprocessor systems.
• Voltage Level Translation: Facilitates interfacing between 3.3V and 5V logic families.
• Industrial Control Systems: Used in PLC I/O modules and sensor interfaces due to noise immunity.
• Consumer Electronics: Employed in displays, memory modules, and peripheral drivers.
• Automotive Electronics: Suitable for non-critical low-voltage signal conditioning (not AEC-Q100 qualified).

Conclusion of SN74AHC540PW

The SN74AHC540PW stands out for its versatility, power efficiency, and robust performance in digital signal management. Its inverting logic, wide voltage range, and strong output drive make it a preferred choice for noise-sensitive, mixed-voltage designs. While not automotive-grade, it excels in industrial, consumer, and embedded systems where reliable buffering and signal inversion are critical. Texas Instruments’ reputation for quality ensures this device meets stringent reliability standards, making it a dependable component for modern electronic designs.

SN74AHC540PW Documents

Download datasheets and manufacturer documentation for SN74AHC540PW

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

SN54/74AHC540      

HTML Datasheet :

SN54/74AHC540      

PCN Design/Specification :

Design 22/Feb/2022