DM74AS574WM

Overview

The DM74AS574WM is an octal D-type edge-triggered flip-flop manufactured by onsemi, belonging to the 74AS logic series. It features eight independent D-type flip-flops with three-state outputs in a single package. The device operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 120 MHz. Propagation delay is specified at 4ns under standard load conditions. It utilizes a 20-SOIC surface-mount package and functions within a temperature range of 0°C to 70°C.

Feature Summary

• Provides eight independent D-type flip-flops for parallel data storage
• Features three-state outputs for bus-oriented system connections
• Supports high-speed operation with a 120 MHz clock frequency
• Delivers fast propagation delays suitable for demanding digital applications

Applications

• High-speed data register circuits
• Bus-oriented memory systems
• Parallel-to-serial conversion modules
• Digital signal processing interfaces

Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm package integrity and pin alignment against datasheet specifications. Check for moisture sensitivity level compliance prior to assembly. Validate replacement part numbers if original stock is unavailable. Ensure environmental certifications match project requirements.

Selection Notes

Select this component for designs requiring high-speed octal latching with bus-compatible outputs. Compare propagation delay and current drive capabilities against system timing constraints. Evaluate thermal performance within the specified operating temperature range. Consider package dimensions for PCB layout optimization. Assess availability of direct substitutes from alternative manufacturers.

Part Context

This component belongs to the 74AS (Advanced Schottky) logic family, known for high speed and low power consumption relative to earlier standards. The DM prefix indicates specific manufacturing variations within onsemi's portfolio. It serves as a critical interface element in complex digital systems requiring reliable data retention and rapid switching capabilities.

Replacement Considerations

• SN74AS574DW Texas Instruments

FAQ

What is the maximum clock frequency supported by the DM74AS574WM?

The device supports a maximum clock frequency of 120 MHz.

Does the DM74AS574WM have inverted or non-inverted outputs?

The outputs are non-inverted, providing the same logic state as the input data.