QS74FCT377CTZ

Flip Flops Overview

The QS74FCT377CTZ is an octal D-type flip-flop register from the FCT logic series, manufactured by Quality Semiconductor. It features a single circuit with eight non-inverting outputs and operates within a supply voltage range of 4.75 V to 5.25 V. The device utilizes a 20-pin SOIC package and supports surface-mount installation. It functions as a positive-edge triggered storage element with high drive capability, suitable for bus-oriented applications requiring reliable data retention in industrial temperature environments.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture providing eight-bit parallel data storage
• Positive-edge triggering mechanism for synchronous data capture
• High-current output drivers supporting direct bus interface connections

Flip Flops Applications

• Bus-oriented memory systems
• Register files in digital logic circuits
• Data storage modules in industrial control equipment

Flip Flops Procurement Notes

Verify component authenticity through authorized distributors or certified secondary market suppliers due to obsolete status. Confirm manufacturing date codes and lot traceability to ensure compliance with project reliability standards. Inspect packaging integrity upon receipt to prevent moisture sensitivity damage. Validate pin compatibility with existing PCB footprints before integration into production workflows.

Flip Flops Selection Notes

Select this component when designing systems requiring octal latching functionality with FCT speed characteristics. Ensure power supply stability within the specified 4.75 V to 5.25 V range to maintain signal integrity. Consider thermal management requirements for operation up to 85°C if deployed in enclosed industrial enclosures. Verify that input signal levels match CMOS logic thresholds for proper switching behavior.

Flip Flops Part Context

This part belongs to the SQ74FCT377T series of registers produced by Quality Semiconductor. It serves as a complementary solution to similar octal flip-flops in the FCT family, offering comparable performance metrics while maintaining specific package and pinout configurations preferred by legacy system designs. The component represents a specialized logic IC variant optimized for high-density board layouts.

Flip Flops Replacement Considerations

Direct substitutes include CY74FCT377CTSO from Texas Instruments and QS74FCT377CTSO from Quality Semiconductor. These alternatives share identical logical functions and pin assignments but may differ in minor electrical parameters or packaging tolerances. Evaluate cross-referenced datasheets to confirm operational equivalence before substitution.