74HC677NT

Overview

The 74HC677NT is a 16-bit magnitude comparator manufactured by Rochester Electronics, LLC. It features an enable input for controlling operation and provides bit outputs to indicate the relationship between two 16-bit binary words. The device operates within standard logic voltage ranges and includes specifications such as a common-mode rejection ratio of 70dB and defined input hysteresis voltage.

Feature Summary

• Performs 16-bit magnitude comparison with enable control
• Provides bit-level output signals for digital logic integration

Applications

• Digital data comparison circuits
• Address decoding systems
• Logic control applications requiring magnitude verification

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes align with project requirements. Ensure packaging integrity matches storage specifications. Request test reports if critical reliability is required. Validate pin compatibility with existing board layouts before finalizing orders.

Selection Notes

Select this component when 16-bit parallel comparison is necessary. Ensure supply voltage levels match system design constraints. Consider the enable function for power management in idle states. Verify package availability matches assembly capabilities. Check operating temperature range against environmental conditions.

Part Context

Rochester Electronics specializes in sustaining legacy semiconductor products. This part belongs to their portfolio of maintained logic devices. The company focuses on providing continued production for obsolete components. This ensures long-term availability for industrial and aerospace applications.

Replacement Considerations

No public confirmed substitute part numbers are available for this specific component. Users should verify pin-to-pin compatibility with similar 16-bit comparators from other manufacturers if sourcing alternatives.