SN74HC240DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC240DWR is an octal buffer and line driver manufactured by Texas Instruments, belonging to the 74HC logic series. It features eight independent inputs with three-state outputs and operates within a supply voltage range of 2V to 6V. The device utilizes a 20-pin SOIC package (0.209 inch width) designed for surface-mount installation. Key electrical characteristics include high-level and low-level output currents of 7.8mA each. It supports a wide operating temperature range from -40°C to 85°C and complies with RoHS3 standards.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight independent buffering channels with inverting functionality for signal integrity maintenance.
• Features three-state outputs that allow direct connection to bus-oriented systems without additional drivers.
• Operates across a broad supply voltage spectrum suitable for diverse digital logic environments.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented systems requiring high-impedance state control
• Memory address decoding and data buffering applications
• Clock distribution circuits for timing signal management

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and tape-and-reel quantity match your assembly requirements. Confirm compliance with current environmental directives such as RoHS3 before finalizing procurement. Cross-reference the manufacturer part number against official distributor catalogs to validate authenticity and traceability. Ensure storage conditions align with moisture sensitivity level specifications to prevent package damage during soldering processes.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with three-state capabilities at standard CMOS speeds. Compare output drive strength and propagation delay against system timing constraints to ensure adequate performance margins. Evaluate the 20-SOIC footprint compatibility with existing PCB layouts and automated pick-and-place equipment. Consider the operating temperature range to verify suitability for the intended environmental conditions of the final product.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the widely adopted 74HC family of high-speed CMOS logic devices. It serves as a standard solution for interfacing between different logic families or driving heavy loads on shared buses. The SN74HC240 variant specifically provides inverting buffers, distinguishing it from non-inverting counterparts like the SN74HC244. Its pinout is compatible with legacy 74LS designs, facilitating straightforward upgrades in existing architectures.

Buffers, Drivers, Receivers, Transceivers FAQ

Is the SN74HC240DWR inverting or non-inverting?

The SN74HC240DWR is an inverting buffer, meaning the output signal is the logical complement of the input signal.

What is the maximum supply voltage for this device?

The maximum recommended supply voltage (VCC) for the SN74HC240DWR is 6V.