SN74AHC74DRE4

Flip Flops Overview

The SN74AHC74DRE4 is a dual positive-edge-triggered D-type flip-flop from Texas Instruments' AHC logic family. It features independent clear and preset inputs for direct control of the Q and /Q outputs. The device operates within a supply voltage range of 2 V to 5.5 V, ensuring compatibility with various digital systems. It utilizes CMOS technology for low power consumption and high noise immunity. The component is housed in a standard SOIC-14 surface-mount package, suitable for automated assembly processes.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flops with independent clear and preset functions
• Operates across a wide supply voltage range from 2 V to 5.5 V
• CMOS construction provides low static power dissipation and high noise immunity

Flip Flops Applications

• Parallel data storage and register applications
• Shift registers for serial-to-parallel conversion
• Timing delay circuits and pulse synchronization

Flip Flops Procurement Notes

Verify the specific suffix 'E4' indicates lead-free status and RoHS compliance per manufacturer documentation. Confirm the SOIC-14 package dimensions match your PCB footprint requirements. Ensure the operating temperature range meets your system's environmental specifications before finalizing procurement.

Flip Flops Selection Notes

Select this component when dual D-type flip-flops are required with active-low clear and preset controls. The AHC series offers faster switching speeds compared to standard HC logic while maintaining CMOS power efficiency. Verify that the input voltage levels are compatible with your driving logic family to ensure reliable signal integrity.

Flip Flops Part Context

This part belongs to the SNx4AHC74 family of dual D-type flip-flops. It shares functional similarities with other AHC devices but is distinguished by its specific pinout and electrical characteristics. The RE4 suffix typically denotes tape and reel packaging for high-volume manufacturing applications.

Flip Flops Replacement Considerations

SN74AHC74DRG4: Lead-free alternative with identical functionality. SN74AHC74N: DIP package version for through-hole applications. SN74AHCT74: HCT input compatible variant for TTL-driven systems.