74FCT574TDB

Overview

The 74FCT574TDB is an octal D-type flip-flop with 3-state outputs manufactured by Renesas Electronics. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 6.2 ns at 50 pF load. The device supports low-level output current of 48 mA and high-level output current of -15 mA. It is housed in a 20-pin SOIC package and functions across a temperature range of -40°C to +85°C.

Feature Summary

• Octal D-type configuration with tri-state outputs for bus-driven applications
• CMOS logic family ensuring high-speed data storage capabilities
• Industrial temperature rating for reliable operation in demanding environments

Applications

• Parallel-to-serial data conversion circuits
• Buffering and latching in microprocessor systems
• High-speed register file implementations

Procurement Notes

Verify the specific suffix 'TDB' against official Renesas documentation to confirm pinout, package dimensions, and electrical characteristics match your design requirements. Ensure compatibility with existing PCB footprints and thermal management strategies before finalizing procurement decisions.

Selection Notes

Select this component when an octal register with tri-state outputs is required for high-speed digital logic applications. Consider the 20-pin SOIC package constraints and industrial temperature range suitability for your specific environmental conditions and board layout limitations.

Part Context

This part belongs to the FCT (Fast CMOS Technology) series, designed for high-speed performance comparable to LS-TTL but with CMOS power advantages. The 74FCT574 variant specifically provides octal storage functionality, widely used in memory interface and control logic designs within broader system architectures.

Replacement Considerations

IDT74FCT574TDB is listed as an alias part number.