74LCX574SJX

Overview

The Fairchild Semiconductor 74LCX574SJX is an octal D-type flip-flop with three-state outputs belonging to the 74LCX logic family. It operates within a supply voltage range of 2V to 3.6V and features surface-mount SOP-20 packaging. The device provides non-inverting data transfer triggered on the positive clock edge, supporting high-speed digital applications in low-voltage environments.

Feature Summary

• Octal D-type flip-flop architecture with three-state outputs
• Low-voltage operation compatible with 2V to 3.6V power supplies
• Positive-edge triggering for synchronous data capture
• Non-inverting output polarity

Applications

• Parallel-to-serial data conversion circuits
• I/O buffering in low-voltage systems
• Register file storage elements
• Data latch applications in portable electronics

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity and pin alignment prior to assembly. Review manufacturer documentation for handling precautions and moisture sensitivity levels. Ensure compatibility with existing design specifications before integration.

Selection Notes

Evaluate voltage requirements against system constraints. Consider propagation delay characteristics for timing analysis. Assess thermal performance within operating temperature ranges. Verify interface compatibility with driving and receiving components.

Part Context

This component belongs to the 74LCX series, designed for low-voltage CMOS applications. It offers improved speed and power efficiency compared to standard HC logic families. The part is suitable for battery-powered devices requiring minimal current consumption.

Replacement Considerations

• SN74LVC574ADWR (Texas Instruments)
• MM74HC574SJX (onsemi)

FAQ

What is the trigger type for this flip-flop?

The device uses positive-edge triggering for data capture.

Does the output have inversion?

No, the outputs are non-inverting relative to the inputs.