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QS74FCT374DTQ is listed in the Flip Flops range at ChipApex. The manufacturer field lists Quality Semiconductor. Its product description is BUS DRIVER, FCT SERIES. Review the specifications below when checking this part for your BOM.
The QS74FCT374DTQ is an octal D-type flip-flop manufactured by Quality Semiconductor, belonging to the FCT logic series. It features eight positive-edge-triggered D flip-flops with tri-state outputs in a single functional unit. The device operates within a supply voltage range of 4.5V to 5.5V and supports surface-mount installation in a 20-lead Small Outline package. It exhibits a maximum propagation delay of 13ns at 5V with a 50pF load capacitance. The component is rated for an operating temperature range from -40°C to 85°C and includes static current specifications typical for CMOS technology.
Verify the manufacturer designation as Quality Semiconductor rather than Texas Instruments or other vendors offering similar part numbers. Confirm the specific suffix DTQ corresponds to the correct package type and moisture sensitivity level. Ensure compliance with RoHS directives if required by the target application. Cross-reference the datasheet for exact pinout configurations and electrical characteristics against the specific revision. Validate that the component status is active and available for production use.
Select this component when an octal register with tri-state outputs is required in a compact surface-mount form factor. Consider the 13ns propagation delay and 5V supply compatibility for timing-critical designs. Evaluate the -40°C to 85°C operating range against environmental conditions. Compare static current consumption and output drive capabilities with alternative FCT series devices. Ensure the 20-lead package dimensions fit the PCB layout constraints.
This device is part of the broader 74FCT family of high-speed CMOS logic components. It serves as a fundamental building block for sequential logic operations in digital electronics. The FCT series is known for combining CMOS low power consumption with TTL-compatible speed and interface characteristics. This specific model provides eight bits of storage in a single integrated circuit, simplifying board design compared to using multiple lower-density packages.
QS74FCT374CTQ
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