74FCT574CTQG8

Overview

The 74FCT574CTQG8 is an octal D-type flip-flop manufactured by Renesas Electronics, belonging to the FCT logic series. It features eight independent D-type flip-flops with tri-state outputs, housed in a 20-pin QSOP package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports data rates up to 10 MHz. Key electrical characteristics include a propagation delay of 6.2 ns and output drive capabilities of -15 mA for high-level and 48 mA for low-level currents. It functions reliably across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Octal configuration providing eight independent D-type flip-flops with tri-state outputs for efficient bus interfacing
• High-speed performance with a maximum clock frequency of 10 MHz and a propagation delay of 6.2 ns
• Robust output drive capability supporting 48 mA low-level and -15 mA high-level currents

Applications

• Parallel-to-serial data conversion circuits
• Register file storage in microprocessor systems
• Data latch applications in digital signal processing
• Bus interface buffering for memory systems

Procurement Notes

Verify the specific suffix 'QG8' against official Renesas documentation to confirm the exact package type and tape/reel specifications. Ensure that the operating voltage requirements align with the target system's 4.5V to 5.5V range. Confirm availability status through authorized distributors as lifecycle changes may affect supply continuity.

Selection Notes

Select this component when an octal register with tri-state outputs is required for high-speed data handling. The FCT series offers CMOS compatibility with TTL input levels, simplifying interface design. Consider the 20-pin QSOP package for space-constrained PCB layouts while ensuring adequate thermal management within the specified operating temperature range.

Part Context

This part belongs to the 74FCT family of high-speed CMOS logic devices produced by Renesas Electronics. The FCT series is designed to bridge the gap between standard TTL and CMOS technologies, offering faster switching speeds and lower power consumption compared to legacy counterparts. The 74FCT574 variant specifically provides octal D-type flip-flop functionality with tri-state outputs.

Replacement Considerations

IDT74FCT574CTQG8