MC74LCX240DWR2

Overview

The MC74LCX240DWR2 is an octal inverting buffer manufactured by onsemi, belonging to the LCX logic series. It operates within a supply voltage range of 1.65 V to 5.5 V and features three-state outputs. The device provides high impedance TTL-compatible inputs and is housed in a 20-SOIC package. Propagation delay is specified at 7.5 ns at 2.7 V and 6.5 ns at 3 V to 3.6 V.

Feature Summary

• Octal inverting buffer configuration with three-state outputs
• High impedance TTL-compatible input structure
• Low-voltage operation capability from 1.65 V to 5.5 V

Applications

• Memory data bus buffering
• Clock distribution networks
• General-purpose digital signal routing

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and environmental compliance status. Ensure the component matches the required operating voltage range for the target application. Cross-reference the manufacturer part number with current availability lists to avoid obsolete stock issues during procurement planning.

Selection Notes

Select this component when an octal inverting buffer with low-voltage compatibility is required. The LCX series offers improved performance over standard CMOS while maintaining pin compatibility. Consider the propagation delay specifications relative to system timing requirements before finalizing the design choice.

Part Context

This part belongs to the MC74LCX240 family of low-voltage CMOS octal buffers. It is designed for applications requiring high-speed operation with low power consumption. The device is suitable for portable electronics and battery-powered systems due to its wide supply voltage range.

Replacement Considerations

Direct substitutes include other octal inverting buffers from the same logic family or compatible alternatives from different manufacturers that match the 20-SOIC package and electrical specifications.