SN74ACT74D

Flip Flops Overview

The SN74ACT74D is a dual positive-edge-triggered D-type flip-flop manufactured by Texas Instruments. It belongs to the SN74ACT logic series, utilizing CMOS technology with TTL-compatible inputs. The device features two independent circuits within a single package. It operates within a supply voltage range of 4.5 V to 5.5 V. The component exhibits a propagation delay of 11 ns and provides output drive currents of 24 mA for both high and low states. It is housed in a 14-pin SOIC surface-mount package.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flop configuration
• CMOS outputs with TTL-compatible input levels
• High-speed operation with 11 ns propagation delay

Flip Flops Applications

• Parallel-to-serial data conversion
• Shift register construction
• Register file storage elements

Flip Flops Procurement Notes

Verify the specific manufacturer datasheet for the SN74ACT74D to confirm RoHS compliance status and detailed electrical characteristics. Ensure that the SOIC-14 package dimensions match the target PCB footprint requirements. Confirm that the operating temperature range aligns with the intended application environment specifications before finalizing procurement.

Flip Flops Selection Notes

Select this component when a dual D-type flip-flop solution is required with TTL-compatible inputs and CMOS outputs. The ACT series offers faster switching speeds compared to standard 74LS counterparts while maintaining pin compatibility. Consider the 14-pin SOIC package for surface-mount assembly needs. Verify that the 4.5 V to 5.5 V supply voltage range suits the system power architecture.

Flip Flops Part Context

This part is a member of the Texas Instruments SN74ACT family, which combines the speed of advanced silicon-gate CMOS technology with the interface compatibility of TTL logic. The SN74ACT74 specifically provides two edge-triggered D-type flip-flops, serving as fundamental building blocks for sequential logic circuits requiring reliable data storage and transfer capabilities in digital systems.

Flip Flops Replacement Considerations

SN74ACT74DR

Flip Flops FAQ

What is the input type compatibility of the SN74ACT74D?

The SN74ACT74D features TTL-compatible input levels, allowing it to interface directly with TTL logic sources.

Does the SN74ACT74D have an asynchronous reset function?

Yes, the SN74ACT74D includes an active-low asynchronous preset (PRE) and clear (CLR) input for each flip-flop.