74LCX241SJX

Overview

The onsemi 74LCX241SJX is an octal buffer and line driver designed for low voltage applications. It features 5V tolerant inputs and outputs, allowing it to interface with 5V signal environments while operating at 2.3V to 3.6V VCC. The device utilizes advanced CMOS technology for high-speed operation with low power dissipation. Key electrical specifications include a maximum propagation delay of 6.5 ns at 3.3V, a quiescent supply current of 10 µA max, and ESD protection exceeding 2000V via the Human Body Model. It supports live insertion and includes patented noise/EMI reduction circuitry.

Feature Summary

• Provides 5V tolerance on both inputs and outputs for safe interfacing with higher voltage logic levels.
• Supports live insertion and withdrawal operations without causing system damage.
• Incorporates patented circuitry specifically designed to reduce noise and electromagnetic interference (EMI).
• Features power-down high-impedance state capabilities to prevent backflow currents.

Applications

• Memory address drivers
• Clock drivers
• Bus oriented transmitters or receivers

Procurement Notes

Verify that the ordering code suffix 'SJX' corresponds to the specific 20-Lead Small Outline Package (SOP) variant as documented in the datasheet. Confirm that the component meets Pb-Free requirements per JEDEC J-STD-020B standards. Ensure that unused inputs are tied to HIGH or LOW states during implementation to maintain proper functionality and avoid floating input issues.

Selection Notes

Select this component when designing systems requiring octal buffering between different voltage domains, specifically where 5V tolerance is necessary alongside low-voltage operation. Consider its suitability for applications demanding high-speed data transmission with minimal power consumption. Evaluate the package constraints against available board space, noting the 20-lead SOP form factor provided by the SJX designation.

Part Context

This part belongs to the LCX family of low-voltage CMOS logic devices. It serves as a critical interface component in digital circuits, facilitating signal translation and buffering between microprocessors, memory modules, and peripheral devices operating at varying voltage levels.

Replacement Considerations

Check for direct equivalents within the same logic family from other manufacturers. Verify pin compatibility and electrical characteristics such as propagation delay and voltage tolerance before substituting.

FAQ

How does the device handle power-down conditions?

The 74LCX241SJX implements power-down high impedance inputs and outputs. This feature disables the outputs to prevent damaging backflow currents through the device when it is powered down.

What is the ESD protection rating for this component?

The device offers robust ESD performance, exceeding 2000V according to the Human Body Model (HBM) standard and 200V under the Machine Model (MM) standard.