CY74FCT821CTSOC

Overview

The CY74FCT821CTSOC is a 10-bit bus interface flip-flop manufactured by Texas Instruments, belonging to the FCT logic series. It features ten D-type positive-edge-triggered registers with three-state outputs in a 24-pin SOIC package. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports an operating temperature range from -40°C to +85°C. Key electrical specifications include a propagation delay of 10 ns at 5 V, high-level output current of -32 mA, low-level output current of 64 mA, and static current of 100 µA.

Feature Summary

• Provides ten independent D-type registers for parallel data storage
• Features three-state outputs for direct system bus interconnection
• Supports positive-edge triggering for synchronous data capture

Applications

• Parallel-to-serial data conversion circuits
• Bus interface buffering between microprocessors and peripherals
• Temporary data storage in digital signal processing systems

Procurement Notes

Verify the specific suffix 'CTSO' against official Texas Instruments documentation to confirm the tape-and-reel packaging variant. Ensure the component meets RoHS compliance requirements as specified in the manufacturer's product data sheet. Cross-reference the full part number with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component when designing systems requiring ten-bit synchronous data latching with high drive capability. The FCT series offers compatibility with standard TTL inputs while utilizing CMOS technology. Consider the 24-SOIC package dimensions and thermal characteristics for PCB layout optimization in space-constrained applications.

Part Context

This device belongs to the CY74FCT821T family of 10-bit bus interface flip-flops. It serves as a specialized register solution within the broader FCT logic portfolio, designed for high-speed data transfer applications. The component complements other bus drivers and transceivers in complex digital logic architectures.

Replacement Considerations

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