SN74AHCT74D

Flip Flops Overview

The SN74AHCT74D is a dual positive-edge-triggered D-type flip-flop from Texas Instruments, featuring CMOS outputs and TTL-compatible inputs. It operates within a supply voltage range of 4.5 V to 5.5 V. The device provides a propagation delay of 8.8 ns with output currents of ±8 mA. Packaged in a SOIC-14 surface-mount format, it supports an operating temperature range from -55°C to +125°C.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flops with independent clock, data, preset, and clear inputs.
• TTL-compatible input thresholds ensure direct interfacing with standard logic families.
• CMOS outputs provide high noise immunity and low static power consumption.

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register configurations for data storage
• Timing control and synchronization logic

Flip Flops Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature grade. Ensure the ordering part number matches the required industrial or military specifications. Cross-reference datasheet revisions to validate pinout compatibility and electrical characteristics before integration.

Flip Flops Selection Notes

Select this component when TTL-level interface compatibility is required alongside high-speed CMOS performance. The wide operating temperature range suits harsh environments. Confirm that the SOIC-14 footprint aligns with PCB layout constraints and thermal management requirements for the target application.

Flip Flops Part Context

This part belongs to the SN74AHCT74 series, designed for high-speed digital applications requiring robust noise margins. It serves as a fundamental building block for sequential logic systems, offering reliable state retention and fast switching capabilities within standard 5V logic domains.

Flip Flops Replacement Considerations

SN74AHCT74DR

Flip Flops FAQ

What is the input threshold compatibility?

The SN74AHCT74D features TTL-compatible input thresholds, allowing it to interface directly with TTL logic sources without additional level shifting.

Does the device include asynchronous controls?

Yes, each flip-flop includes independent asynchronous preset and clear inputs to force the output to a defined state regardless of the clock signal.