MC74ACT574DTR2

Flip Flops Overview

The MC74ACT574DTR2G is an octal D-type flip-flop with 3-state outputs manufactured by onsemi. It operates within a supply voltage range of 4.5V to 5.5V and features a propagation delay of 11ns at 5V with 50pF load. The device provides high drive capability with output currents of ±24mA. It is housed in a 20-TSSOP package and supports surface-mount installation. The component functions as a non-inverting logic element with a single circuit configuration, suitable for high-speed digital applications requiring stable data storage and bus interfacing capabilities.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture with positive-edge triggering mechanism
• Three-state outputs enabling efficient bus-oriented memory operations
• High current drive capability supporting direct interface to CMOS, NMOS, and TTL loads
• Compliant with JEDEC standards for low input leakage and noise immunity

Flip Flops Applications

• Bus-oriented memory register implementations
• Working registers for high-speed data processing systems
• Parallel-to-serial data conversion circuits
• I/O adapters for microprocessor-based architectures

Flip Flops Procurement Notes

Verify the complete part number includes the 'G' suffix (MC74ACT574DTR2G) to ensure RoHS compliance and lead-free manufacturing status. Confirm the specific tape and reel quantity matches project requirements, as standard factory packaging may vary. Cross-reference the datasheet revision date to ensure compatibility with current design specifications and environmental regulations. Validate that the TSSOP-20 footprint aligns with PCB layout constraints before finalizing procurement orders.

Flip Flops Selection Notes

Select this component when designing systems requiring octal storage with tri-state control under 5V logic levels. The ACT series offers faster switching speeds compared to standard HC or HCT counterparts. Ensure the application environment stays within the specified -40°C to +85°C operating temperature range. Consider the 11ns propagation delay for timing closure in high-frequency designs. Verify that the 24mA output current meets the driving requirements of downstream loads without additional buffering.

Flip Flops Part Context

This device belongs to the 74ACT family of high-speed CMOS logic devices produced by onsemi. The 74ACT series bridges the performance gap between older TTL technologies and modern CMOS solutions, offering compatible pinouts and logic levels while providing superior speed and lower power consumption. The MC74ACT574 specifically serves as an octal flip-flop variant within this lineage, widely used in legacy and mixed-signal system designs requiring reliable data latching.

Flip Flops Replacement Considerations

Direct substitutes include MC74ACT574DTR2GOSTR and MC74ACT574DTR2GOSCT from onsemi, which share identical electrical characteristics and pinout configurations. Other manufacturers may offer functionally equivalent parts within the 74ACT574 specification, but verification of voltage ranges and output drive strengths is required. Ensure any replacement maintains the 20-TSSOP package form factor for board-level compatibility.