CY74FCT574ATSOC

Overview

The CY74FCT574ATSOC is an octal edge-triggered 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 features TTL-compatible inputs. The device provides non-inverting logic functionality with a propagation delay of 10 ns. Output drive capabilities include -32 mA for high-level and 64 mA for low-level currents. It is housed in a 20-SOIC surface-mount package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Octal configuration providing eight independent edge-triggered D-type flip-flops in a single integrated circuit.
• Three-state output capability allowing direct connection to bus systems without external buffers.
• TTL-compatible input thresholds ensuring compatibility with standard digital logic families.

Applications

• Parallel data storage in high-speed digital systems
• Bus interface circuits requiring registered data latching
• Timing synchronization modules in communication equipment

Procurement Notes

Verify the specific suffix 'A' indicates the industrial temperature grade variant when sourcing replacements. Confirm the SOIC-20 package dimensions match the target PCB footprint. Ensure the design accounts for the specified 4.75 V to 5.25 V power supply requirements to maintain signal integrity and timing specifications.

Selection Notes

Select this component for applications requiring parallel data registration with high drive strength. The FCT series offers faster switching speeds compared to standard CMOS logic while maintaining TTL input compatibility. Consider the 20-SOIC package for surface-mount assembly processes and verify thermal management needs for the industrial temperature range.

Part Context

This part belongs to the Texas Instruments 74FCT logic family, designed for high-speed CMOS applications. The 74FCT574 specifically addresses the need for octal registers in system architectures. It serves as a core building block for data path control and memory interfacing in embedded systems and industrial controllers.

Replacement Considerations

Publicly confirmed substitute part numbers include CY74FCT574TSOC and CY74FCT574ATQCT. Verify pinout compatibility and electrical parameters before substitution.

FAQ

What is the input type specification for the CY74FCT574ATSOC?

The device features TTL-compatible inputs, allowing it to interface directly with TTL logic sources.

Does the CY74FCT574ATSOC have inverting or non-inverting outputs?

The outputs are non-inverting, meaning the Q output follows the D input state upon clock triggering.