QS29FCT521ATQ

Shift Registers Overview

The QS29FCT521ATQ is an 8-bit identity comparator manufactured by Quality Semiconductor. It belongs to the FCT series, utilizing CMOS technology with a standard 5 V power supply. The device features low input and output leakage currents of 1 µA maximum and provides true TTL input and output compatibility. Typical high-level output voltage (VOH) is specified at 3.3 V. The component supports A and C grades for performance variation.

Shift Registers Feature Summary

• Provides 8-bit parallel data comparison functionality
• Ensures compatibility with TTL logic levels
• Operates with low power consumption typical of CMOS technology

Shift Registers Applications

• Digital data path validation
• System configuration verification
• Address bus monitoring

Shift Registers Procurement Notes

Verify the specific suffix 'ATQ' against official manufacturer documentation to confirm package type and temperature range. Ensure compliance with RoHS directives if required for your application. Cross-reference the datasheet revision date to validate parameter accuracy before integration into design specifications.

Shift Registers Selection Notes

Select this component when an 8-bit wide comparison operation is required within a CMOS-based system. It is suitable for designs needing direct interface with TTL-compatible signals without additional level shifting. Consider the specific grade (A or C) requirements for leakage and speed constraints during the selection process.

Shift Registers Part Context

This part is part of the FAST CMOS (FCT) family, designed for high-speed digital applications. It serves as a specialized logic gate for comparing two 8-bit words. The technology bridges the gap between standard CMOS and TTL performance characteristics, offering faster switching speeds while maintaining low power dissipation profiles common in modern digital circuits.

Shift Registers Replacement Considerations

The IDT29FCT52AT is documented as a functional equivalent within the same FCT family. Verify pinout compatibility and electrical parameters such as leakage current and output drive strength before substituting. Ensure the replacement part meets the specific operating temperature and voltage requirements of the original design.