QS74FCT2521BTSO

Comparators Overview

The QS74FCT2521BTSO is an 8-bit magnitude comparator from the FCT series manufactured by Quality Semiconductor. It features active low outputs indicating bit equality (A=B). The device utilizes CMOS technology and is housed in a 24-pin SOIC package. It operates with a supply voltage of 5 V and supports a load capacitance of 50 pF. The component is designed for high-speed digital logic applications requiring precise data comparison.

Comparators Feature Summary

• Provides active low output signals when input bits are equal
• Utilizes FCT series CMOS technology for high-speed performance
• Supports 8-bit parallel data comparison operations

Comparators Applications

• Digital data path monitoring systems
• Memory address matching circuits
• Comparator-based control logic

Comparators Procurement Notes

Verify the manufacturer designation as Quality Semiconductor Inc. Confirm the package type is 24-pin SOIC. Check RoHS compliance status as documentation indicates non-compliance. Ensure the operating temperature range matches system requirements. Validate the specific suffix B against official datasheets to confirm pinout and electrical characteristics.

Comparators Selection Notes

Select this component for applications requiring 8-bit magnitude comparison with active low equality outputs. Consider the FCT series speed advantages over standard TTL. Verify power supply stability at 5 V. Evaluate thermal management needs within the specified operating temperature range. Compare pin compatibility with existing PCB layouts before integration.

Comparators Part Context

This part belongs to the FCT logic family, known for fast switching speeds. It serves as a specialized comparator within Quality Semiconductor's portfolio. The device complements other bus drivers and multiplexers in system designs. Its CMOS construction offers lower power consumption compared to bipolar alternatives.

Comparators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with Texas Instruments CY74FCT821BTSOCE4 only if functional equivalence is verified through official datasheet comparison.