74ABT574CSC

Flip Flops Overview

The Fairchild Semiconductor 74ABT574CSC is an octal D-type flip-flop featuring positive-edge triggering and three-state outputs. It operates on a single 4.5V to 5.5V supply voltage and utilizes a 20-pin SOIC package. The device provides high-speed data storage with a maximum propagation delay of 5ns at 5V with 50pF load, supporting clock frequencies up to 200 MHz. It includes standard logic functions with a static current consumption of 50 µA.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture for parallel data storage
• Positive-edge triggered operation synchronized with common Clock input
• Three-state outputs designed for bus-oriented applications
• Advanced BJT-Transistor Logic (ABT) technology for high speed

Flip Flops Applications

• High-speed memory address drivers
• Clock signal distribution networks
• Bus-oriented transmitter and receiver circuits
• Microprocessor I/O port interfacing

Flip Flops Procurement Notes

Verify the specific manufacturer source, as this component has been produced by both Fairchild Semiconductor and onsemi. Confirm that the datasheet corresponds to the ABT series specifications rather than other logic families. Ensure the package marking matches the 20-SOIC form factor and check for any obsolescence notices from the current supplier before finalizing procurement plans.

Flip Flops Selection Notes

Select this component when designing systems requiring octal data latching with high-speed performance at a fixed 5V logic level. The ABT series offers superior switching speeds compared to standard CMOS alternatives. Ensure the application environment supports the specified operating temperature range and that the board layout accommodates the 20-pin surface mount package dimensions.

Flip Flops Part Context

This part belongs to the 74ABT family of advanced BJT-transistor logic devices, known for combining the speed of bipolar technology with CMOS power efficiency. It serves as a high-performance alternative to older 74LS or 74HC series components in demanding digital logic applications requiring fast data transfer rates.

Flip Flops Replacement Considerations

Public confirmed substitute: SN74ABT574ADBR (Texas Instruments). Verify pinout compatibility and electrical parameter alignment before substitution.