QS74FCT374DTP

Flip Flops Overview

The QS74FCT374DTP is an octal D-type flip-flop from the FCT series, manufactured by Quality Semiconductor. It features positive edge-triggered operation with three-state outputs and non-inverting logic. The device operates within a supply voltage range of 4.75V to 5.25V and supports a maximum static current of 200 µA. It provides high drive capability with output currents of 32mA for low states and 64mA for high states. The component exhibits a maximum propagation delay of 10ns at 5V with a 50pF load. It is housed in a 20-pin DIP package and functions across a temperature range of -40°C to 85°C.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture with positive edge triggering
• Three-state outputs providing non-inverting signal transmission
• High drive capability supporting 32mA sink and 64mA source currents
• CMOS technology ensuring low static power consumption

Flip Flops Applications

• Parallel data storage and buffering in digital systems
• Interface circuits requiring high drive strength between logic families
• Clocked memory elements in microprocessor-based designs

Flip Flops Procurement Notes

Verify the specific manufacturer designation as Quality Semiconductor, noting that similar part numbers may originate from other vendors like Texas Instruments or IDT. Confirm the package type corresponds to the DIP configuration rather than SSOP variants found in cross-reference lists. Ensure the datasheet aligns with the FCT series specifications for voltage and timing requirements before integration into final designs.

Flip Flops Selection Notes

Select this component when a robust octal flip-flop with high drive capability is required for 5V logic applications. The FCT series offers speed comparable to LS TTL while maintaining CMOS power efficiency. Consider the 20-pin DIP package for through-hole prototyping or legacy board compatibility. Evaluate the 10ns propagation delay against system clock speeds to ensure timing margins are sufficient for the intended application frequency.

Flip Flops Part Context

This device belongs to the 74FCT family of high-speed CMOS logic components. It serves as a standard octal register solution for parallel data handling. The part number indicates a specific variant from Quality Semiconductor, distinguishing it from equivalent parts produced by Integrated Device Technology (IDT) or Texas Instruments under different prefixes such as CY or QS.

Flip Flops Replacement Considerations

Cross-reference models include CY74FCT374TQCT from Texas Instruments and QS74FCT374CTQ from IDT. Verify pinout compatibility and package dimensions, as some equivalents utilize SSOP packages instead of DIP. Ensure electrical characteristics match, particularly the output drive strength and operating voltage range, when substituting these components.