DM74AS74N

Overview

The DM74AS74N is a dual D-type flip-flop from the onsemi 74AS logic series, housed in a 14-MDIP package. It operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature of 0°C to 70°C. Key electrical parameters include a maximum propagation delay of 3.5ns at 5V with 50pF load, a clock frequency of 200MHz, and output currents of 8mA (high) and 24mA (low). The device features preset and clear functions.

Feature Summary

• Dual D-type flip-flop architecture with independent data, preset, clear, and clock inputs
• Schottky-clamped AS logic technology for high-speed performance
• Complementary Q and Q outputs for differential signaling applications

Applications

• High-speed digital data storage circuits
• Synchronous state machine implementations
• Parallel-to-serial data conversion modules

Procurement Notes

Verify component authenticity as this part is obsolete. Confirm pinout compatibility with target designs. Check RoHS compliance status against specific manufacturing dates. Validate replacement options if new production is required. Ensure proper handling procedures are followed during installation.

Selection Notes

Select this component for applications requiring high-speed synchronous logic within standard TTL voltage ranges. Consider the 74AS series characteristics for speed-critical designs. Evaluate thermal management requirements for the specified operating temperature range. Assess power consumption relative to system constraints.

Part Context

This component belongs to the 74AS (Advanced Schottky) logic family, known for superior speed compared to standard TTL. The DM prefix indicates onsemi manufacturing. It serves as a fundamental building block for sequential logic circuits in industrial and commercial electronic systems.

Replacement Considerations

SN74AS74N by Texas Instruments is a confirmed parameter-equivalent substitute.