DM74ALS574AN

Overview

The DM74ALS574AN is an octal D-type flip-flop with three-state outputs from the 74ALS series. It features positive-edge triggering and non-inverting outputs. The device operates within a supply voltage range of 4.5V to 5.5V. Maximum propagation delay is 14ns at 5V with 50pF load. Output currents are 2.6mA (high) and 24mA (low). Quiescent current is 18mA. Operating temperature spans 0°C to 70°C. It is housed in a 20-DIP package.

Feature Summary

• Octal D-type configuration with single element
• Positive-edge clock triggering mechanism
• Three-state non-inverting output capability

Applications

• Parallel data storage circuits
• Shift register implementations
• Buffer memory applications

Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm package integrity and pin alignment against datasheet specifications. Check for moisture sensitivity damage if stored long-term. Validate electrical parameters against original design requirements before integration into production systems.

Selection Notes

Select this component for designs requiring high-speed logic with moderate drive strength. Ensure power supply stability within specified voltage limits. Consider thermal management for continuous operation near upper temperature bounds. Verify compatibility with existing system clock frequencies and load conditions.

Part Context

Part of the 74ALS logic family, offering faster performance than standard LS variants with lower power consumption than ALS predecessors. Designed for general-purpose digital logic applications requiring reliable data latching and buffering capabilities in industrial and commercial environments.

Replacement Considerations

Direct substitutes include SN74ALS574BDWR and SN74ALS574BNSR from Texas Instruments. These alternatives maintain functional equivalence and pinout compatibility for direct replacement in existing designs without circuit modification.