74FCT540ATSOG8

Buffers, Drivers, Receivers, Transceivers Overview

The 74FCT540ATSOG8 is an octal buffer and line driver manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 4.75V to 5.25V and features three-state outputs. The device provides high drive capability with output currents of 15mA for high state and 64mA for low state. It is housed in a 20-SOIC package and supports surface mount installation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent buffering channels
• Three-state output architecture enabling bus line isolation
• High current drive capability suitable for direct interface loads

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address latching in computing systems
• I/O port buffering for peripheral interfaces
• Bus driver implementation in data processing circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

This component has reached end-of-life status and is officially discontinued by the manufacturer. Verification of availability requires checking authorized distributors for remaining stock or approved substitute part numbers. Designers should initiate replacement strategies immediately to ensure long-term supply chain stability.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal, non-inverting buffer with three-state control is required for 5V logic systems. Ensure the application environment remains within the specified operating temperature range of -40°C to 85°C. Verify that the load requirements align with the specified high and low output current capabilities before finalizing the design.

Buffers, Drivers, Receivers, Transceivers Part Context

Part of the 74FCT logic family, designed for high-speed CMOS applications. The 74FCT series offers performance comparable to TTL but with lower power consumption. This specific variant serves as a standard octal buffer solution for legacy 5V digital systems requiring robust signal driving and isolation capabilities.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consult official documentation for confirmed substitute part numbers due to discontinuation. Verify pin compatibility and electrical specifications before integrating alternative components into existing designs.