DM74ALS874BNT

Overview

The DM74ALS874BNT is a dual 4-bit D-type edge-triggered flip-flop manufactured by Fairchild Semiconductor. It features master reset functionality and positive edge triggering with 3-state outputs. The device operates within a voltage supply range of 4.5V to 5.5V and supports an operating temperature range of 0°C to 70°C. It utilizes a tube packaging format and has an obsolete part status.

Feature Summary

• Dual 4-bit D-type edge-triggered flip-flop architecture
• Master reset functionality for synchronous control
• Positive edge triggering mechanism
• Three-state output capability

Applications

• Digital data storage circuits
• Shift register implementations
• Memory buffer applications

Procurement Notes

Verify component authenticity through authorized channels as the part status is listed as obsolete. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for any specific handling requirements related to the SOIC-20 or similar package configuration. Ensure compliance with RoHS standards if applicable to the specific manufacturing lot.

Selection Notes

Select this component for designs requiring dual 4-bit storage with three-state output isolation. Consider the ALS series performance characteristics regarding power consumption and speed. Evaluate compatibility with existing TTL logic levels. Verify that the master reset feature aligns with system initialization requirements.

Part Context

This component belongs to the Fairchild 74ALS series, known for advanced low-power Schottky technology. It provides improved switching speeds compared to standard LS series devices while maintaining lower power dissipation. The dual 4-bit configuration allows efficient space utilization in digital logic designs requiring multiple storage elements.

Replacement Considerations

Consider equivalent parts from the 74ALS874 family or compatible dual 4-bit D-flip-flops with three-state outputs. Verify pinout compatibility and electrical specifications before substitution. Check manufacturer availability for direct replacements given the obsolete status.