CY74FCT821ATSOCT

Overview

The CY74FCT821ATSOCT is an octal bus interface register manufactured by Texas Instruments, featuring non-inverting logic and three-state outputs. It operates within a supply voltage range of 4.75 V to 5.25 V and supports surface-mount installation in a 24-SOIC package. The device functions as a high-speed CMOS component with a propagation delay of 15 ns at 5 V. It provides low-level output current of 64 mA and high-level output current of -32 mA. The unit weight is 624 mg, and it complies with RoHS standards.

Feature Summary

• Octal D-type flip-flop configuration for data storage
• Three-state outputs for bus line driving
• Non-inverting logic polarity
• High-speed CMOS technology

Applications

• Bus-oriented memory mapping
• Clock buffering
• Data register applications

Procurement Notes

Verify the specific suffix 'CT' against official datasheets to confirm tape-and-reel packaging requirements. Ensure the SOIC-24 footprint matches PCB layout constraints. Confirm RoHS compliance status through manufacturer documentation before finalizing procurement specifications.

Selection Notes

Select this component for designs requiring octal data latching with tri-state capability. Consider the 24-SOIC package size for space-constrained layouts. Evaluate the 15 ns propagation delay against system timing requirements. Verify power supply stability within the 4.75 V to 5.25 V range for optimal performance.

Part Context

This part belongs to the FCT logic series, designed for fast CMOS operation. It serves as a bus interface register, distinct from standard buffers or counters. The device integrates eight D-type flip-flops with independent control lines, facilitating efficient data transfer in digital systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material.