Texas Instruments

SN74HC240DW  

Buffers, Drivers, Receivers, Transceivers

SN74HC240DW Description

The SN74HC240DW from Texas Instruments is a high-performance inverting buffer/driver IC designed for robust signal conditioning in digital systems. Housed in a 20-SOIC package, this device features two 4-bit elements with inverting outputs, operating within a 2V to 6V supply range. It is part of the 74HC series, renowned for its balance of speed and power efficiency, making it ideal for noise-sensitive applications. With 7.8mA output current (both high and low), it ensures strong drive capability while maintaining compatibility with TTL levels. The device is RoHS3 compliant, REACH unaffected, and rated for MSL 1 (unlimited) moisture sensitivity, ensuring reliability in industrial and commercial environments.

SN74HC240DW Features

• Logic Type: Inverting buffer with 2 elements (4-bit each) for flexible signal routing.
• Wide Voltage Range: 2V to 6V operation, suitable for mixed-voltage systems.
• High Drive Strength: 7.8mA output current (sink/source) for driving capacitive loads.
• Low Power Consumption: CMOS technology ensures minimal static power dissipation.
• Robust Packaging: 20-SOIC surface-mount package for compact PCB designs.
• Environmental Compliance: RoHS3, REACH unaffected, and MSL 1 rated for harsh conditions.
• Fast Propagation Delay: Optimized for high-speed signal integrity.

SN74HC240DW Applications

• Bus Buffering: Isolates and strengthens signals in data buses (e.g., SPI, I2C).
• Clock Distribution: Inverts and buffers clock signals in microcontroller systems.
• Industrial Control: Interfaces logic levels in PLCs, motor drivers, and sensors.
• Automotive Electronics: Used in ECUs where noise immunity is critical.
• Consumer Electronics: Signal conditioning in displays, audio systems, and IoT devices.

Conclusion of SN74HC240DW

The SN74HC240DW stands out for its high noise immunity, wide voltage range, and efficient power handling, making it a versatile choice for digital systems. Its inverting logic and strong output drive address challenges in signal integrity, while the 20-SOIC package ensures space-efficient integration. Whether for industrial automation, automotive systems, or consumer electronics, this IC delivers reliable performance with TI’s quality assurance. Engineers can leverage its TTL compatibility and low power profile to optimize designs for speed and efficiency.

SN74HC240DW Documents

Download datasheets and manufacturer documentation for SN74HC240DW

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

SN54HC240, SN74HC240      

PCN Other :

SN74HC 19-May-2022      

PCN Design/Specification :

Material Set 21/Jun/2016       SN74HCx 10/May/2022