SN74AHC74N

Flip Flops Overview

The SN74AHC74N is a dual D-type flip-flop manufactured by Texas Instruments in the AHC logic family. It features independent clock, data, preset, and clear inputs for each flip-flop. The device operates within a supply voltage range of 2 V to 5.5 V. It utilizes a 14-pin PDIP package with through-hole mounting. Key electrical parameters include a propagation delay of 6 ns at 5 V with 50 pF load, output drive currents of ±8 mA, and a maximum clock frequency of 200 MHz.

Flip Flops Feature Summary

• Dual configuration providing two independent D-type flip-flops within a single package
• Compatible with CMOS and TTL logic outputs for versatile interfacing
• Independent control inputs including positive-edge triggered clock, data, asynchronous preset, and clear

Flip Flops Applications

• Parallel-to-serial and serial-to-parallel data conversion circuits
• Shift register implementations for data storage and movement
• General-purpose memory elements in digital logic systems

Flip Flops Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature range. Ensure the component meets RoHS compliance requirements for the intended application. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and current production status before procurement.

Flip Flops Selection Notes

Select this component when dual D-type storage is required with high-speed performance. The AHC series offers faster switching speeds compared to standard HC logic while maintaining low power consumption. Consider the 14-pin DIP package for prototyping or applications requiring through-hole assembly capabilities.

Flip Flops Part Context

This component belongs to the Texas Instruments SN74AHC family, which represents advanced high-speed CMOS technology. The AHC series provides significant speed improvements over previous generations while maintaining pin compatibility with standard logic families. It is designed for applications requiring fast propagation delays and wide operating voltage ranges.

Flip Flops Replacement Considerations

SN74AHCT74N: Compatible alternative with TTL-compatible input levels instead of CMOS levels.

Flip Flops FAQ

What is the function of the asynchronous preset and clear inputs?

The asynchronous preset and clear inputs allow immediate setting or resetting of the flip-flop output state regardless of the clock signal status.

Does the SN74AHC74N support both CMOS and TTL logic levels?

Yes, the device outputs are compatible with both CMOS and TTL logic standards, facilitating interface with various digital components.