QS74FCT2521CTP

Comparators Overview

The QS74FCT2521CTP is an 8-bit identity comparator from the FCT series, manufactured by Quality Semiconductor. It features inverted outputs and operates on a single 5 V supply. The device utilizes CMOS technology and is housed in a 20-pin PDIP package. It supports through-hole mounting and functions within an operating temperature range of 0°C to 70°C.

Comparators Feature Summary

• Performs 8-bit magnitude comparison with active low output indicating equality
• Utilizes FCT series CMOS technology for high-speed logic operations
• Provides inverted output signals for direct interface compatibility

Comparators Applications

• Digital data path equality verification
• Address matching circuits in memory systems
• Control logic for status flag generation

Comparators Procurement Notes

Verify component authenticity against official Quality Semiconductor documentation. Confirm package integrity and pin alignment for the 20-pin DIP configuration. Ensure environmental specifications meet operational requirements. Check for lead-free compliance status if required by assembly standards. Validate datasheet revisions for accurate electrical characteristics.

Comparators Selection Notes

Select this component when an 8-bit identity comparison function is required in through-hole designs. The FCT series offers speed advantages over standard TTL equivalents. Consider the inverted output polarity during schematic design. Verify voltage levels match the system's 5 V logic domain. Evaluate thermal performance within the specified commercial temperature range.

Comparators Part Context

This part belongs to the 74FCT logic family, which bridges the performance gap between standard TTL and Fast CMOS technologies. Quality Semiconductor produces this variant as a legacy or specialized component. The 2521 designation specifically identifies the 8-bit comparator functionality within the broader FCT product line.

Comparators Replacement Considerations

Cross-reference with other 8-bit identity comparators in the 74FCT family. Verify pinout compatibility before substitution. Check manufacturer-specific electrical tolerances. Ensure equivalent package dimensions for mechanical fit.