CY74FCT240ATQC

Overview

The CY74FCT240ATQC is an octal buffer and line driver manufactured by Texas Instruments, belonging to the FCT logic series. It features eight inverting inputs with three-state outputs housed in a QSOP-20 package. The device operates on a single 5V supply within a range of 4.75V to 5.25V. Key electrical specifications include a propagation delay of 4.8ns at 5V, a high-level output current of -32mA, and a low-level output current of 64mA. It supports surface mount installation and functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Provides octal buffering with inverting logic functionality for signal conditioning
• Features three-state outputs allowing direct connection to bus structures
• Utilizes CMOS technology for low static power consumption

Applications

• High-speed data bus buffering applications
• Clock driver circuits requiring precise timing
• Memory address and data bus drivers

Procurement Notes

Verify the exact suffix against official Texas Instruments documentation to confirm pinout compatibility and package dimensions. Ensure the specific variant matches the required thermal and electrical characteristics for your design. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and availability.

Selection Notes

Select this component when designing systems requiring octal buffering with active drive capabilities. Consider the 4.8ns propagation delay for timing-critical paths. Verify that the QSOP-20 package fits the PCB layout constraints. Ensure the 5V logic level compatibility aligns with the connected system components.

Part Context

This component is part of the broader 74FCT family of high-speed CMOS logic devices. It serves as a specialized buffer solution within Texas Instruments' portfolio, designed to replace older TTL technologies while offering improved speed and lower power consumption. The FCT series is widely used in digital systems requiring reliable signal integrity.

Replacement Considerations

Check for equivalent parts such as the CY74FCT240ATQCT or other variants within the same FCT family. Confirm that any substitute maintains identical pin configurations and electrical performance metrics before integration.