74AC574SJX

Overview

The onsemi 74AC574SJX is an octal D-type edge-triggered flip-flop featuring three-state outputs, housed in a 20-SOP package. It operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation. The device provides non-inverting logic with single-ended inputs and outputs. Key electrical specifications include a propagation delay of 13.5 ns, high-level output current of -24 mA, and low-level output current of 24 mA. It functions reliably across an operating temperature range from -40 °C to +85 °C.

Feature Summary

• Octal D-type edge-triggered flip-flop architecture
• Three-state outputs for bus-oriented applications
• Non-inverting signal polarity
• Single-ended input and output configuration

Applications

• Bus-oriented data storage systems
• Microprocessor interface circuits
• Parallel I/O port expansion
• Digital signal latching applications

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status via official documentation. Check for end-of-life notices or obsolescence warnings prior to procurement. Ensure the specific SOP-20 package variant matches design requirements. Validate supply chain integrity to prevent counterfeit components.

Selection Notes

Select this component for designs requiring octal storage with tri-state control. Consider the 2V to 6V operating range for compatibility. Evaluate the 13.5 ns propagation delay against system timing constraints. Verify that the -40°C to +85°C temperature range meets environmental specifications. Assess the 24 mA drive capability for load requirements.

Part Context

This part belongs to the AC logic family of octal flip-flops. It shares functional similarities with other 74AC series devices but differs in pinout and specific electrical characteristics. The SOP-20 package facilitates surface-mount assembly. It serves as a standard digital storage element in CMOS logic applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.