SN74AS74ADR

Flip Flops Overview

The SN74AS74ADR is a dual D-type flip-flop from Texas Instruments' Advanced Schottky (AS) logic series. It features positive-edge triggering with set and reset functions, housed in a 14-SOIC surface-mount package. The device operates within a 4.5V to 5.5V supply range and supports a maximum clock frequency of 105 MHz. Key electrical parameters include a propagation delay of 9 ns at 5V with 50pF load, high-level output current of 2 mA, low-level output current of 20 mA, and static current of 16 mA.

Flip Flops Feature Summary

• Advanced Schottky technology provides high-speed operation with reduced propagation delay compared to standard LS logic.
• Dual independent D-type flip-flops offer positive-edge triggering for precise timing control.
• Integrated preset and clear inputs allow direct asynchronous control of the flip-flop states.

Flip Flops Applications

• High-speed digital data storage and register applications
• Parallel-to-serial data conversion circuits
• Timing and synchronization logic in digital systems

Flip Flops Procurement Notes

Verify the specific suffix 'R' indicates reel packaging when ordering. Confirm RoHS3 compliance status as per the latest manufacturer documentation. Ensure the SOIC-14 package dimensions match the target PCB footprint requirements. Cross-reference the datasheet version for any recent design or specification changes.

Flip Flops Selection Notes

Select this component for designs requiring faster switching speeds than standard 74LS series devices. Consider the higher static current consumption of 16 mA compared to lower-power alternatives. Verify that the 20 mA low-level sink capability meets the load requirements of the driven circuitry.

Flip Flops Part Context

This part belongs to the SN74ASxxxA family, representing Texas Instruments' Advanced Schottky logic line. It offers a balance between speed and power dissipation, positioned above the standard 74LS series in performance. The 'ADR' designation specifies the SOIC-14 surface-mount package with reel shipping configuration.

Flip Flops Replacement Considerations

SN74ALS74ADR: Lower speed but reduced power consumption variant within the same package.