54FCT240ATLB

Overview

The 54FCT240ATLB is an octal buffer and driver manufactured by Renesas Electronics Corporation. It features inverted outputs with three-state control, designed for high-speed bus driving applications. The device operates within a supply voltage range of 4.5V to 5.5V and supports a wide operating temperature range from -55°C to 125°C. It utilizes a 20-pin LCC (Leadless Chip Carrier) package, suitable for surface-mount assembly in demanding electronic environments.

Feature Summary

• Octal configuration providing eight independent buffer channels
• Inverted output logic functionality for signal inversion
• Three-state output capability allowing bus line isolation
• High-temperature operation support up to 125°C

Applications

• Bus driver circuits requiring signal inversion
• Memory interface buffering systems
• High-speed data transmission lines
• Industrial control system I/O interfaces

Procurement Notes

Verify the specific manufacturer source, as this part number has been associated with multiple vendors including Cypress and Texas Instruments in public databases. Confirm the exact package type and pinout compatibility before integration. Check current product status, as availability may vary significantly between original manufacturers and distributors due to lifecycle changes.

Selection Notes

Select this component when an octal buffer with inverted outputs and three-state control is required for 5V logic systems. Ensure the design accommodates the 20-pin LCC package constraints. Verify that the operating temperature range meets the specific environmental requirements of the target application, particularly regarding the extended high-temperature rating.

Part Context

This component belongs to the FCT logic family, known for fast CMOS technology. It serves as a critical interface element in digital systems, facilitating signal integrity across bus architectures. The device complements other logic families by providing robust driving capabilities for complex circuit designs.

Replacement Considerations

Public confirmed substitute part numbers include IDT54FCT240ATLMB and CY54FCT240ATLMB. Verify functional equivalence and pin compatibility before substitution.