QS74FCT273ATSOX

Flip Flops Overview

The QS74FCT273ATSOX is an octal D-type flip-flop belonging to the FCT logic series, manufactured by Quality Semiconductor. It features positive-edge triggering and provides true outputs for all eight bits within a single functional unit. The device utilizes CMOS technology and is housed in a PDSO20 small outline package with 20 terminals. It operates within a standard temperature range of -40°C to 85°C and supports a supply voltage of 3.3V. The component includes a load capacitance specification of 50 pF and exhibits a propagation delay of 9.5 ns.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture with positive-edge clock triggering
• CMOS construction ensuring low power consumption and high noise immunity
• True output polarity providing non-inverted data states
• Compatible with TTL input levels for versatile system integration

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Buffering and latching of digital data buses
• Timing synchronization in high-speed logic systems
• Register file implementations in embedded controllers

Flip Flops Procurement Notes

Verify the specific manufacturer designation when sourcing, as Quality Semiconductor assets have undergone corporate transitions. Confirm that the component meets current environmental compliance standards required for your assembly process. Ensure the PDSO20 package variant matches your PCB footprint requirements precisely. Cross-reference the datasheet revision history to confirm electrical characteristics align with your design specifications before finalizing procurement orders.

Flip Flops Selection Notes

Select this component when an octal storage element with fast switching speeds is required for 3.3V logic interfaces. The FCT series offers superior performance compared to older LVC or LCX families regarding speed and drive capability. Consider the 9.5 ns propagation delay for timing budget calculations in your circuit design. The single-function configuration simplifies board layout by consolidating eight flip-flops into one package, reducing component count and interconnect complexity.

Flip Flops Part Context

This part belongs to the FCT (Fast CMOS Technology) family, designed for high-speed applications requiring compatibility with both CMOS and TTL logic levels. The QS74FCT273ATSOX represents a specific variant within the octal D-flip-flop category, distinguished by its surface-mount packaging and specific electrical parameters tailored for modern digital systems. It serves as a critical building block for data path management in complex integrated circuits.

Flip Flops Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical compatibility carefully if considering alternative manufacturers' octal D-flip-flops from the FCT or similar high-speed logic families.