CY74FCT574CTSOC

Overview

The CY74FCT574CTSOC is an octal edge-triggered D-type flip-flop manufactured by Texas Instruments. It features three-state outputs and operates within a supply voltage range of 4.75 V to 5.25 V. The device utilizes TTL-compatible inputs and provides non-inverting logic. Key electrical parameters include a propagation delay of 5.2 ns, a high-level output current of -32 mA, and a low-level output current of 64 mA. It is housed in a 20-SOIC package and supports surface-mount installation. The component functions as a register with eight circuits and operates across a temperature range of -40°C to +85°C.

Feature Summary

• Octal edge-triggered D-type flip-flop architecture with three-state outputs
• TTL-compatible input interface for direct logic interfacing
• High drive capability with specified output current ratings

Applications

• Parallel data storage and buffering in digital systems
• Interface between microprocessors and peripheral devices
• Register implementation in FCT logic circuit designs

Procurement Notes

Verify the specific suffix 'CSOC' against the manufacturer's official datasheet to confirm the exact package variant and tape/reel specifications. Ensure that the ordering information matches the required moisture sensitivity level and RoHS compliance status documented in the latest product release notes. Cross-reference the part number with authorized distributors to confirm availability and authenticity.

Selection Notes

Select this component when an octal D-type flip-flop with three-state outputs is required for high-speed digital applications. The TTL-compatible inputs simplify interface design with legacy or mixed-logic systems. Consider the 20-SOIC package dimensions and thermal characteristics for PCB layout compatibility. Verify that the operating temperature range meets the environmental requirements of the target application.

Part Context

This device belongs to the CY74FCT574T series of fast CMOS logic components. It is designed for high-performance digital signal processing and memory interface applications. The series offers improved speed and power consumption compared to standard 74LS logic families. Texas Instruments provides comprehensive documentation and support resources for integrating these components into complex electronic systems.

Replacement Considerations

Publicly confirmed substitute part numbers include CY74FCT574CTSOCE4 and CY74FCT574CTSOCG4. These variants represent the same functional device with different manufacturing or compliance suffixes. Verify pinout compatibility and electrical specifications before substitution.