DM74AS74MX

Overview

The DM74AS74MX is a dual D-type flip-flop integrated circuit manufactured by onsemi. It operates within a supply voltage range of 4.5V to 5.5V and features positive edge triggering. The device provides high-speed performance with a clock frequency of 105 MHz and a maximum propagation delay of 5ns at 5V with 50pF load. Output drive capabilities include 2mA for high state and 20mA for low state. It is housed in a 14-SOIC surface-mount package and supports an operating temperature range of 0°C to 70°C.

Feature Summary

• Dual D-type flip-flop architecture with positive edge triggering mechanism
• High-speed operation supporting clock frequencies up to 105 MHz
• Robust output drive capability with 20mA low-state current

Applications

• Parallel-to-serial data conversion circuits
• Shift register implementations
• Timing and synchronization logic systems

Procurement Notes

Verify component authenticity through authorized distributors due to potential availability variations. Confirm package integrity upon receipt, as the 14-SOIC form factor requires careful handling during inspection. Ensure storage conditions align with manufacturer specifications to maintain reliability before assembly.

Selection Notes

Select this component for applications requiring precise timing control and high-frequency signal processing. The dual configuration offers space efficiency compared to single units. Evaluate thermal management requirements given the 70°C upper operational limit and ensure power supply stability within the specified voltage window for optimal performance.

Part Context

This part belongs to the 74AS logic family, known for advanced Schottky technology providing faster switching speeds than standard variants. The DM74AS74MX specifically implements dual D-type flip-flops, serving as a fundamental building block for sequential logic design in digital systems requiring reliable data storage and transfer.

Replacement Considerations

Public confirmed substitute part numbers are not explicitly documented in the provided source material. Verify compatibility with equivalent 74AS series components from other manufacturers if direct substitution is required.