SN74AS74AD

Flip Flops Overview

The SN74AS74AD is a dual positive-edge-triggered D-type flip-flop from the Texas Instruments AS logic series. It features TTL-compatible inputs and outputs within a 14-SOIC package. The device operates on a supply voltage ranging from 4.5 V to 5.5 V, with a typical propagation delay of 9 ns at 5 V. It provides a low-level output current of 20 mA and a high-level output current of -2 mA. The component supports set and reset functions, operates between 0°C and +70°C, and includes moisture sensitivity level 1 classification.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flop architecture
• TTL-compatible input and output interfaces
• Integrated set and reset control functions

Flip Flops Applications

• Digital data storage circuits
• Shift register implementations
• State machine design

Flip Flops Procurement Notes

Verify the specific suffix 'AD' corresponds to the SOIC-14 surface-mount package variant. Confirm RoHS compliance status and check for alternate suffixes like ADR or ADRE if reel packaging is required. Ensure the ordering part number matches the exact pinout and electrical specifications defined in the official datasheet before finalizing procurement orders.

Flip Flops Selection Notes

Select this component when a fast-switching D-type flip-flop with TTL compatibility is required in a surface-mount format. The AS series offers higher speed than standard 74LS counterparts. Consider the 14-SOIC footprint constraints and verify that the 20 mA sink capability meets the load requirements of the downstream circuitry.

Flip Flops Part Context

This device belongs to the SN74AS74A family, which utilizes Advanced Schottky technology to achieve faster switching speeds compared to standard logic families. The SN74AS74AD specifically denotes the industrial temperature range version housed in a plastic small outline package, designed for general-purpose digital applications requiring reliable edge-triggered data handling.

Flip Flops Replacement Considerations

SN74AS74ADR (Reel packaging variant)

Flip Flops FAQ

What is the maximum operating supply voltage?

The maximum operating supply voltage is 5.5 V.

Does the SN74AS74AD include asynchronous set and reset inputs?

Yes, the device includes set and reset functions for controlling the flip-flop state independently of the clock signal.