74LCX240MTC

Overview

The Fairchild Semiconductor 74LCX240MTC is an octal buffer and line driver featuring three-state outputs, housed in a 20-TSSOP surface-mount package. It operates within a supply voltage range of 2V to 5.5V and supports data rates up to 133MHz. The device provides high drive current capability with low quiescent power consumption, ensuring compatibility with standard CMOS logic families while maintaining signal integrity across diverse digital applications.

Feature Summary

• Octal configuration providing eight independent non-inverting buffers
• Three-state output architecture for efficient bus-oriented communication
• Low quiescent power consumption suitable for energy-sensitive designs
• High-speed operation supporting data transfer rates up to 133MHz

Applications

• Clock drivers and buffering in high-speed digital systems
• Bus-oriented architectures requiring bidirectional data flow control
• Memory module address and data line buffering
• General-purpose high-speed data transmission interfaces

Procurement Notes

Verify the specific manufacturer lot code and date code upon receipt to ensure component authenticity and traceability. Confirm that the delivered units match the exact 74LCX240MTC designation, as suffix variations may indicate different packaging or testing standards. Ensure storage conditions comply with moisture sensitivity level requirements prior to soldering.

Selection Notes

Select this component when designing systems requiring octal buffering with three-state control capabilities. It is appropriate for applications needing interface between low-voltage logic and higher voltage buses. Consider the 20-TSSOP package constraints regarding thermal dissipation and board space availability during layout planning.

Part Context

This part belongs to the 74LCX family of low-voltage CMOS logic devices. It serves as a general-purpose buffer designed to replace older TTL technologies while offering improved power efficiency. The series is widely utilized in portable electronics and computing hardware where low voltage operation and high speed are critical design parameters.

Replacement Considerations

Direct replacements include MM74LCX240MTC and ON Semiconductor variants such as MC74LCX240MTC. Verify pinout compatibility and electrical specifications before substitution to ensure seamless integration into existing circuit designs without modification.