MC74ACT574MEL

Flip Flops Overview

The MC74ACT574MEL is an octal D-type flip-flop manufactured by onsemi, belonging to the 74ACT logic series. It features eight non-inverting D inputs and three-state outputs, designed for high-speed data storage applications. The device operates within a supply voltage range of 4.5 V to 5.5 V, with a typical propagation delay of 11 ns. It supports output currents of ±24 mA and functions reliably across an operating temperature range of -40°C to +85°C. Packaged in a 20-SOIC (JEDEC) format, this component utilizes positive edge-triggered clocking for data latching.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture with buffered common Clock and Output Enable lines
• Three-state outputs optimized for bus-oriented microprocessor interface applications
• TTL-compatible inputs ensuring direct interfacing with standard logic families
• High current drive capability allowing source and sink of 24 mA per output

Flip Flops Applications

• Microprocessor input and output port buffering
• Bus-oriented data storage systems
• High-speed digital signal processing interfaces
• Parallel data latch circuits in computing hardware

Flip Flops Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as historical documentation may vary. Check for obsolescence notices or lifecycle changes prior to procurement. Ensure packaging specifications match design requirements for surface-mount assembly processes.

Flip Flops Selection Notes

Select this component when TTL-compatible inputs are required alongside high-speed performance. Compare against MC74AC574 variants if lower voltage operation is needed. Consider pinout compatibility with MC74ACT374 equivalents for functional interchangeability. Validate thermal management capabilities for high-density PCB layouts.

Flip Flops Part Context

This part belongs to the 74ACT family of high-speed CMOS logic devices. It shares functional similarities with the MC74ACT374 but differs in pin configuration. The device represents a transition between older AC logic and modern ACT standards, offering improved switching speeds while maintaining backward compatibility with TTL input levels.

Flip Flops Replacement Considerations

MC74ACT574DWR2G

Flip Flops FAQ

What triggers the data storage in the MC74ACT574MEL?

Data is stored in the flip-flops on the LOW-to-HIGH Clock (CP) transition.

Is the MC74ACT574MEL functionally identical to another specific model?

Yes, it is functionally identical to the MC74ACT374, except for the pinouts.