CY74FCT574ATQCT

Overview

The CY74FCT574ATQCT is an octal edge-triggered D-type flip-flop manufactured by Texas Instruments. It features eight independent D-type registers with three-state outputs, designed for high-speed data storage and transfer applications. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports TTL input levels. Packaged in a 20-SSOP surface-mount format, it ensures reliable performance across industrial temperature ranges from -40°C to +85°C.

Feature Summary

• Octal configuration providing eight independent D-type registers for parallel data handling
• Three-state outputs allowing direct connection to system buses without additional drivers
• Edge-triggered operation synchronized with clock signals for precise timing control
• TTL-compatible inputs ensuring interoperability with standard logic families

Applications

• Parallel data storage in digital communication systems
• Bus interface circuits requiring tri-state buffering capabilities
• High-speed register arrays for microprocessor-based designs
• Data latch modules in industrial control equipment

Procurement Notes

Verify the specific suffix 'A' indicates qualified operating temperature range and electrical characteristics per manufacturer specifications. Confirm package designation matches SSOP-20 requirements for PCB layout compatibility. Ensure moisture sensitivity level (MSL) handling procedures are followed during assembly to prevent internal damage. Cross-reference datasheet revisions to confirm pinout consistency with existing design schematics.

Selection Notes

Select this component when designing systems requiring octal storage with bus-compatible outputs. Consider the propagation delay specifications relative to system clock speeds. Evaluate power consumption metrics against thermal management constraints. Verify that input voltage thresholds align with source logic family output levels for reliable signal integrity.

Part Context

This part belongs to the CY74FCT574T series, representing advanced CMOS technology optimized for high-speed operations. It serves as a critical memory element in complex digital architectures, offering improved switching speeds compared to legacy counterparts while maintaining backward compatibility with standard logic interfaces.

Replacement Considerations

CY74FCT574ATQCTG4

FAQ

What is the maximum operating supply voltage?

The maximum operating supply voltage is 5.25 V.

Does the device support non-inverting data transmission?

Yes, the outputs are non-inverting, matching the input state at the clock edge.