SN74HCT74D

Flip Flops Overview

The SN74HCT74D is a dual D-type flip-flop from the Texas Instruments 74HCT logic family, housed in a 14-pin SOIC surface-mount package. It operates on a single supply voltage ranging from 4.5 V to 5.5 V. The device features positive-edge triggering and includes independent preset and clear inputs for each flip-flop. It provides complementary outputs and supports TTL-compatible input levels while maintaining CMOS output drive capabilities.

Flip Flops Feature Summary

• Dual D-type edge-triggered flip-flops with independent control
• TTL-compatible input thresholds for HCT logic compatibility
• Complementary outputs available for each data bit
• Surface-mount packaging for automated assembly

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register construction
• Digital state storage elements
• Timing delay applications

Flip Flops Procurement Notes

Verify the specific manufacturer datasheet revision and RoHS compliance status before integration. Confirm that the SOIC-14 footprint matches the target PCB design. Ensure supply chain sources provide original manufacturer documentation to validate part authenticity and electrical specifications against current standards.

Flip Flops Selection Notes

Select this component when dual independent storage elements are required in a compact surface-mount format. The HCT series ensures compatibility with standard TTL logic families. Verify that the operating temperature range and power supply requirements align with the system environment constraints.

Flip Flops Part Context

This component belongs to the widely used 74HCT logic family, designed to bridge HC CMOS performance with TTL input compatibility. The SN74HCT74 variant specifically integrates two separate flip-flops, offering a space-efficient solution for digital logic designs requiring multiple storage bits within a single integrated circuit package.

Flip Flops Replacement Considerations

SN74HCT74DR

Flip Flops FAQ

What type of triggering does the SN74HCT74D use?

It uses positive-edge triggering, meaning the data is captured at the rising edge of the clock signal.

Does the SN74HCT74D have active-low control inputs?

Yes, it features independent active-low preset and clear inputs for each flip-flop.