SN74AC74DE4

Flip Flops Overview

The SN74AC74DE4 is a dual positive-edge-triggered D-type flip-flop from Texas Instruments' AC logic series. It features CMOS inputs and outputs, housed in an 8-pin SOIC package. The device operates within a supply voltage range of 2 V to 6 V. Key electrical parameters include a propagation delay of 14 ns, with high-level output current of -24 mA and low-level output current of 24 mA. It supports through-hole mounting and functions across a temperature range of -40°C to +85°C.

Flip Flops Feature Summary

• Dual independent D-type flip-flops with positive-edge triggering
• CMOS input and output structure for noise immunity
• Wide operating voltage range supporting 2V to 6V systems

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register configurations
• Timing and synchronization logic applications

Flip Flops Procurement Notes

Verify the specific suffix DE4 against the manufacturer's official documentation to confirm pinout compatibility and electrical characteristics relative to standard variants. Ensure the selected package type matches the target PCB footprint requirements. Cross-reference the RoHS status and lifecycle stage directly with the supplier to confirm availability and environmental compliance before finalizing procurement decisions.

Flip Flops Selection Notes

Select this component when designing circuits requiring dual D-type storage elements with fast switching speeds. The AC series offers superior performance compared to older HC families while maintaining broad voltage compatibility. Consider the SOIC package constraints for board space and thermal management. Evaluate the 24 mA drive capability against load requirements to ensure signal integrity without external buffering.

Flip Flops Part Context

This part belongs to the SN74AC74 family of dual D-type flip-flops. It is functionally similar to other AC series logic devices but distinguished by its specific packaging and suffix designation. The AC series provides higher speed and wider voltage operation than standard TTL or HC logic families, making it suitable for modern digital designs requiring robust performance.

Flip Flops Replacement Considerations

SN74AC74N

Flip Flops FAQ

What is the trigger mechanism for the SN74AC74DE4?

The device utilizes a positive-edge trigger mechanism for both flip-flops.

Does the SN74AC74DE4 have complementary outputs?

No, the SN74AC74DE4 provides only non-inverting (Q) outputs; it does not include inverted (Q-bar) outputs.