CD74FCT844AEN

Overview

The CD74FCT844AEN is a BiCMOS FCT Interface Logic device manufactured by Texas Instruments. It functions as a 9-bit bus driver with non-inverting logic and three-state outputs. The component operates within a supply voltage range of 4.75 V to 5.25 V. It features low static current consumption and supports high drive capabilities for system interconnects.

Feature Summary

• Provides nine-bit non-inverting bus driving capability
• Integrates three-state output control for bus isolation
• Utilizes BiCMOS technology for high-speed interface performance

Applications

• High-speed data bus buffering in computer systems
• Clock distribution networks requiring signal integrity
• Memory interface circuits demanding fast switching speeds

Procurement Notes

Verify the specific datasheet revision and package marking codes against the manufacturer's official documentation. Confirm that the ordering suffix matches the required temperature grade and packaging format. Ensure compatibility with existing board design constraints before finalizing procurement decisions.

Selection Notes

Select this component when a nine-channel buffer is required instead of standard eight-channel alternatives. Evaluate the BiCMOS speed advantages over standard CMOS families for high-frequency applications. Consider the three-state functionality for multiplexed bus architectures requiring precise signal isolation.

Part Context

This part belongs to the CD74FCT series, which represents Texas Instruments' Fast CMOS logic family designed for high-speed digital applications. The series bridges the performance gap between standard TTL and advanced CMOS technologies, offering improved switching speeds while maintaining compatible input/output characteristics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.