SN74AHCT574N

Flip Flops Overview

The SN74AHCT574N is a D-type flip-flop from the Texas Instruments SN74AHCT series, housed in a 20-pin PDIP package. It contains eight non-inverting circuits with three-state outputs. The device operates on a supply voltage range of 4.5 V to 5.5 V and supports through-hole mounting. Key electrical parameters include a maximum propagation delay of 10.6 ns at 5 V with 50 pF load, output currents of ±8 mA, and a static current of 4 µA. It functions up to a clock frequency of 115 MHz and operates within a temperature range of -40°C to +125°C.

Flip Flops Feature Summary

• Contains eight D-type flip-flops with positive-edge triggering for data storage.
• Features three-state outputs allowing direct bus line connections.
• Compatible with standard TTL logic inputs via AHCT series design.

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Register arrays for temporary data storage
• Bus interface buffering applications

Flip Flops Procurement Notes

Verify the specific ordering suffix matches the required package type, as variations exist between tube and reel packaging. Confirm that the component meets RoHS3 compliance standards if environmental regulations apply to your project. Ensure the manufacturer identification aligns with Texas Instruments specifications to guarantee authenticity and performance consistency.

Flip Flops Selection Notes

Select this component when an octal register with tri-state capability is required for TTL-compatible systems. The AHCT series ensures compatibility with CMOS devices while accepting TTL input levels. Consider the PDIP package for prototyping or applications requiring through-hole assembly methods over surface mount alternatives.

Flip Flops Part Context

This part belongs to the SN74AHCT family, which combines high-speed CMOS technology with TTL-compatible inputs. The 574 designation specifically indicates an octal D-type flip-flop configuration. It serves as a fundamental building block for sequential logic designs requiring parallel data latching and controlled output driving capabilities.

Flip Flops Replacement Considerations

SN74AHCT574NSR (SOIC package variant)

Flip Flops FAQ

What is the input type specification for this device?

The SN74AHCT574N utilizes TTL input types, ensuring compatibility with standard TTL logic families.

Does the device feature inverting or non-inverting outputs?

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