The NXP 74LVC240 is a high-performance, octal inverting buffer/line driver designed to interface with 3.3V and 5V systems. This integrated circuit is part of the LVC family, which stands for Low-Voltage CMOS, indicating its low power consumption and high-speed capabilities.

Key Features

• Logic Type: Octal inverting buffer/line driver with 3-state outputs.
• Operating Voltage: Compatible with a supply voltage range of 1.2V to 3.6V, making it ideal for low-voltage applications.
• High Speed: Propagation delay time of only 3.7ns at 3.3V, ensuring rapid signal processing for high-speed data transmission.
• Drive Capability: Capable of driving 50Ω transmission lines at 3.3V, which is a testament to its strong output performance.
• I/O Compatibility: Inputs accept voltages up to 5.5V, making the device 5V tolerant and allowing for interfacing with higher voltage logic levels without damage.
• Power Dissipation: Low power consumption with a maximum ICC of 40µA, even when all outputs are disabled.
• Multiple Package Options: Available in a variety of packaging options including SO20, (T)SSOP20, and DHVQFN20 to suit different assembly and space requirements.

Applications

The 74LVC240 is suitable for a range of applications where buffer or line driving with inverting logic is required. It is commonly used in:

• Bus interface or signal buffering in microprocessor or microcontroller-based systems.
• Memory interfacing, especially in high-speed RAM and ROM applications.
• Supporting lines that require high drive strength in communication systems.
• Level shifting between different logic levels within mixed-voltage systems.

Quality and Reliability

NXP Semiconductors is known for its commitment to quality and the 74LVC240 is no exception. It is manufactured under strict quality control standards and is designed to meet or exceed industry reliability benchmarks. The device is also RoHS compliant, ensuring that it meets current environmental standards for electronic components.