SN74AHC74DB

Flip Flops Overview

The SN74AHC74DB is a dual D-type flip-flop from the Texas Instruments AHC logic family, housed in a 14-pin SOIC package. It operates on a supply voltage range of 2 V to 5.5 V with CMOS inputs and outputs. The device features independent clock, data, preset, and clear inputs for each flip-flop. Key electrical specifications include a propagation delay of 15.4 ns, high-level output current of -8 mA, and low-level output current of 8 mA. It supports an operating temperature range from -55°C to +125°C.

Flip Flops Feature Summary

• Dual configuration providing two independent D-type flip-flops within a single package
• Compatible with standard CMOS logic levels for versatile interfacing
• Includes dedicated asynchronous clear and preset inputs for direct state control

Flip Flops Applications

• Parallel-to-serial and serial-to-parallel data conversion circuits
• Shift register implementations for data storage and transfer
• Timing and synchronization logic in digital systems

Flip Flops Procurement Notes

Verify the specific suffix against the manufacturer's official documentation to confirm pinout compatibility and electrical characteristics. Ensure the selected variant matches the required operating temperature range and package type for your design. Cross-reference the datasheet revision date to guarantee alignment with current manufacturing standards and RoHS compliance requirements.

Flip Flops Selection Notes

Select this component when a dual D-type flip-flop solution is required within space-constrained designs utilizing surface-mount technology. The AHC series offers improved speed and lower power consumption compared to legacy HC counterparts. Consider the 14-pin SOIC footprint for PCB layout efficiency while ensuring the 2 V to 5.5 V supply range aligns with the system's power architecture.

Flip Flops Part Context

This part belongs to the SN74AHC74 series of dual D-type flip-flops manufactured by Texas Instruments. It is part of the broader AHC (Advanced High-Speed CMOS) logic family, designed to provide high-speed performance with low power dissipation. The device serves as a fundamental building block for sequential logic circuits in various digital applications.

Flip Flops Replacement Considerations

SN74AHC74DR: Alternative reel-packaged version of the same device. SN74AHC74N: Through-hole DIP-14 equivalent. SN74AHC74PW: TSSOP-14 alternative package option.