74FCT574TQG8

Overview

The 74FCT574TQG8 is an octal D-type flip-flop with 3-state outputs manufactured by Renesas Electronics. It belongs to the FCT logic series and features a QSOP-20 package. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical parameters include a maximum propagation delay of 6 ns at 50 pF load, high-level output current of 15 mA, and low-level output current of 48 mA. Static current is typically 1 mA, and it functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Octal D-type flip-flops with positive-edge triggering
• Three-state outputs for bus-oriented memory mapping
• CMOS compatible input/output structure

Applications

• Parallel data storage in digital systems
• Bus-oriented memory register applications
• Clocked data latching circuits

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific package markings against official datasheets. Check for recent Product Change Notifications (PCN) regarding manufacturing site changes or material updates. Ensure handling procedures meet electrostatic discharge (ESD) protection standards during installation.

Selection Notes

Select this component when designing systems requiring octal data storage with three-state control. Verify that the required supply voltage aligns with standard 5V logic levels. Consider the propagation delay specifications relative to system clock speeds. Ensure the QSOP-20 package footprint matches the printed circuit board layout constraints.

Part Context

This part is part of the 74FCT family of high-speed CMOS logic devices. It serves as a fundamental building block for sequential logic circuits. The TQG8 suffix indicates a specific tape-and-reel packaging configuration suitable for automated surface-mount assembly processes.

Replacement Considerations

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