MC74ACT574DT

Flip Flops Overview

The MC74ACT574DT is an octal D-type flip-flop manufactured by onsemi, belonging to the 74ACT logic series. It features eight non-inverting D-type flip-flops with three-state outputs in a single package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports surface-mount installation in a 20-SOIC package. It exhibits a propagation delay of 11 ns at 5 V with 50 pF load, providing high-speed performance suitable for memory addressing and bus-oriented systems. The component ensures robust output drive capabilities with currents of 24 mA for both high and low states.

Flip Flops Feature Summary

• Octal configuration containing eight independent D-type flip-flops within a single integrated circuit
• Three-state output architecture allowing direct connection to system buses without external buffers
• High-speed CMOS technology enabling fast clocking rates and minimal propagation delays
• Non-inverting polarity ensuring data integrity from input to registered output

Flip Flops Applications

• Memory address registers for data storage and retrieval systems
• Bus-oriented memory and I/O implementations requiring tri-state control
• Parallel-to-serial conversion circuits utilizing shift register configurations
• Clocked timing circuits for synchronous digital logic applications

Flip Flops Procurement Notes

Verify the exact suffix designation against official datasheets, as variations such as DWG or DTR2G indicate specific packaging formats like tubes or reels. Confirm RoHS compliance status and moisture sensitivity levels prior to ordering. Ensure the selected variant matches the required lead time and availability constraints for production schedules. Cross-reference the manufacturer part number with distributor catalogs to avoid confusion between similar logic families.

Flip Flops Selection Notes

Select this component when designing systems requiring multiple synchronized data latches with bus-compatible outputs. Consider the 74ACT series characteristics for compatibility with standard 5V logic interfaces while maintaining faster switching speeds than older TTL equivalents. Evaluate thermal management requirements based on the SOIC package type and operating temperature range. Compare against alternative octal flip-flops if lower power consumption or different voltage ranges are necessary for the specific application environment.

Flip Flops Part Context

This device belongs to the extensive 74ACT family of high-speed CMOS logic devices produced by onsemi. The 74ACT series bridges the performance gap between standard CMOS and TTL technologies, offering speed comparable to LS-TTL with CMOS noise immunity. The octal flip-flop topology is a fundamental building block in digital electronics, widely used for temporary data storage and synchronization across complex integrated circuits.

Flip Flops Replacement Considerations

MC74ACT574DWG (Tube packaging variant)

Flip Flops FAQ

What is the maximum operating supply voltage for the MC74ACT574DT?

The maximum operating supply voltage is 5.5 V, with a minimum of 4.5 V.

Does the MC74ACT574DT have inverting or non-inverting outputs?

The device features non-inverting outputs, meaning the Q output follows the D input state upon clock activation.

What is the typical propagation delay of this component?

The propagation delay is specified as 11 ns when tested at 5 V with a 50 pF capacitive load.