SN74AHCT574PWRG4

Flip Flops Overview

The SN74AHCT574PWRG4 is an octal D-type flip-flop with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features high-speed CMOS technology compatible with standard TTL levels. The device utilizes a 20-pin TSSOP package, providing efficient space utilization for surface-mount applications. Key electrical characteristics include propagation delays typical of the AHCT logic family, ensuring reliable data storage and transfer in digital systems.

Flip Flops Feature Summary

• Octal configuration provides eight independent D-type flip-flops for parallel data handling.
• 3-state outputs allow direct connection to bus structures without external buffers.
• CMOS technology ensures low power consumption while maintaining high noise immunity.
• TTL-compatible input thresholds simplify interface design with legacy logic families.

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Register files in microprocessor-based systems
• Buffered memory address latches
• Digital signal processing data alignment

Flip Flops Procurement Notes

Verify the complete part number including suffixes such as 'G4' which indicates lead-free status and RoHS compliance. Confirm package type matches the required footprint, specifically the 20-pin TSSOP variant. Check manufacturing date codes for freshness if long-term storage is anticipated. Ensure sourcing from authorized distributors to guarantee authenticity and traceability of the component.

Flip Flops Selection Notes

Select this component when an octal register with tri-state output capability is required in 5V logic environments. Consider the TSSOP package size constraints against available PCB real estate. Evaluate power dissipation requirements relative to the system's thermal budget. Compare propagation delay specifications against the maximum clock frequency needed for the target application timing constraints.

Flip Flops Part Context

This part belongs to the SN74AHCT series of high-speed CMOS logic devices. It serves as a fundamental building block for sequential logic circuits requiring data storage and synchronization. The AHCT designation signifies compatibility with 5V TTL inputs while utilizing advanced CMOS output drivers for improved performance over older LS or HC families.

Flip Flops Replacement Considerations

Direct replacements include the SN74AHCT574PW and SN74AHCT574DR. Verify pinout compatibility and electrical specifications before substitution. Ensure the alternative part meets the same voltage and temperature range requirements. Check for any differences in packaging dimensions if mechanical fit is critical.