SN74HC74DRE4

Flip Flops Overview

The SN74HC74DRE4 is a dual D-type flip-flop manufactured by Texas Instruments, belonging to the HC logic family. It features positive-edge triggering and includes separate set and reset inputs for each element. The device operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a 14-pin SOIC package. Propagation delay varies with load capacitance and voltage, reaching up to 30 ns at 6 V. It functions as a single-element input/output component per flip-flop.

Flip Flops Feature Summary

• Dual D-type flip-flops with positive-edge clock triggering
• Independent set and reset control inputs for data initialization
• CMOS technology compatible with standard TTL logic levels

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register construction for data storage
• Frequency division and timing signal generation

Flip Flops Procurement Notes

Verify the specific ordering suffix 'E4' indicates environmental compliance status according to manufacturer documentation. Confirm that the SOIC-14 package dimensions match the target PCB footprint requirements. Ensure the operating temperature range aligns with system thermal constraints before finalizing procurement specifications.

Flip Flops Selection Notes

Select this component when a dual D-type flip-flop solution is required with independent set and reset capabilities. The HC series offers CMOS compatibility suitable for low-power applications. Consider the propagation delay characteristics relative to the system clock speed to ensure timing margins are met during design integration.

Flip Flops Part Context

This part belongs to the SN74HCxx series of high-speed CMOS logic devices produced by Texas Instruments. The HC designation signifies standard CMOS performance with wide voltage operation. The device integrates two distinct flip-flop elements within a single integrated circuit package for space-efficient digital logic implementation.

Flip Flops Replacement Considerations

• SN74HC74DR
• SN74HC74N

Flip Flops FAQ

What is the triggering mechanism for the SN74HC74DRE4?

The device utilizes positive-edge triggering, meaning the output state changes based on the data input at the rising edge of the clock signal.

Does the SN74HC74DRE4 include asynchronous control inputs?

Yes, each flip-flop element has dedicated Set and Reset inputs that allow for immediate data initialization independent of the clock signal.