CY74FCT2574TSOCTG4

Overview

The CY74FCT2574TSOCTG4 is an octal D-type flip-flop with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports a maximum load capacitance of 50 pF. The device features TTL-compatible inputs and non-inverting logic polarity. It is housed in a 20-pin SOIC package and functions across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Octal configuration providing eight independent D-type flip-flops with edge-triggered data capture
• Three-state output capability allowing direct bus interfacing and system-wide signal isolation
• TTL-compatible input thresholds ensuring reliable logic level recognition across standard digital interfaces

Applications

• High-speed parallel data buffering in communication systems
• Register stages for microprocessor-based control architectures
• Data storage elements in industrial automation controllers

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and environmental compliance. Ensure the component matches the required operating temperature range and voltage specifications for the target application. Cross-reference the manufacturer part number with current datasheets to validate active status and pinout compatibility before integration into design files.

Selection Notes

Select this component when designing systems requiring octal data latching with high drive capability and bus isolation. The FCT series offers faster switching speeds compared to standard CMOS alternatives while maintaining low power consumption. Consider the 3-state outputs for efficient multiplexing applications where multiple devices share common data lines without contention.

Part Context

This device belongs to the Texas Instruments FCT (Fast CMOS) logic family, designed for high-performance digital applications. The FCT series bridges the speed gap between standard TTL and advanced CMOS technologies. This specific model provides robust data retention capabilities suitable for synchronous digital circuits requiring precise timing control and reliable signal integrity.

Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements may differ in propagation delay or drive strength.