CD74HC240M

Overview

The CD74HC240M is an octal buffer and line driver manufactured by Texas Instruments. It features three-state outputs and operates within a supply voltage range of 2V to 6V. The device is housed in a 20-pin SOIC package and supports an operating temperature range from -55°C to 125°C. It belongs to the HC logic series, providing high-speed CMOS performance with low static power consumption.

Feature Summary

• Octal configuration for driving eight independent lines
• Three-state output capability for bus-oriented systems
• Wide operating voltage range supporting 2V to 6V supplies
• Extended industrial temperature rating for harsh environments

Applications

• Memory map registers
• Clock drivers
• Bus-oriented architectures

Procurement Notes

Verify the specific suffix against the manufacturer's official documentation to confirm pinout compatibility and electrical characteristics. Ensure the selected variant matches the required package style and temperature grade for your design constraints.

Selection Notes

Select this component when an octal buffer with three-state control is required for high-speed digital interfaces. Consider the HC series speed-power trade-offs and the wide voltage tolerance for versatile system integration.

Part Context

This part is part of the CD74HC family of high-speed CMOS logic devices. It serves as a standard solution for buffering and driving data lines in complex digital circuits, offering robust performance across a broad temperature and voltage spectrum.

Replacement Considerations

Check for direct equivalents such as the SN74HC240 or CD74HC240 variants with different suffixes that may offer alternative packaging options while maintaining functional compatibility.