CY74FCT821BTSOCE4

Overview

The CY74FCT821BTSOCE4 is a 10-bit bus interface flip-flop manufactured by Texas Instruments. It features 3-state outputs and operates within a supply voltage range of 4.75 V to 5.25 V. The device supports a maximum frequency of 83.3 MHz and has a load capacitance of 50 pF. It utilizes an SOIC-24 package and functions as a unidirectional bus driver with independent control. The component is RoHS compliant and lead-free.

Feature Summary

• Provides 10-bit data storage with 3-state output capability for efficient bus interfacing
• Supports high-speed operation up to 83.3 MHz for rapid data transfer applications
• Features unidirectional data flow with independent control logic for precise signal management

Applications

• High-speed bus interface circuits requiring 10-bit data latching
• System memory buffering in industrial control environments
• Data acquisition systems utilizing CMOS logic families

Procurement Notes

Verify the specific suffix 'E4' indicates lead-free compliance and RoHS status against current manufacturer documentation. Confirm the SOIC-24 package dimensions match design constraints. Check for obsolescence notices or lifecycle changes directly from Texas Instruments, as availability may vary across distributors.

Selection Notes

Select this component when a 10-bit width is required rather than standard 8-bit or 16-bit options. Ensure the circuit design accommodates the 50 pF load capacitance specification. Verify that the 3-state output configuration aligns with the system's bus arbitration requirements and voltage levels.

Part Context

This part belongs to the FCT logic series, designed for fast CMOS technology compatibility. It serves as a specialized alternative to standard octal registers by offering increased bit density in a single package. The device integrates TTL-compatible inputs with CMOS outputs for versatile system integration.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.