CY74FCT823ATPC

Overview

The CY74FCT823ATPC is a non-inverting D-type bus driver manufactured by Texas Instruments. It features nine positive-edge-triggered D flip-flops with three-state outputs, housed in a 20-pin PDIP package. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical specifications include a maximum propagation delay of 12.5 ns at 5 V with a 300 pF load, high-level output current of 32 mA, and low-level output current of 64 mA. Static current consumption is specified at 200 µA. The component supports an industrial operating temperature range from -40°C to +85°C.

Feature Summary

• Integrates nine positive-edge-triggered D flip-flops for parallel data storage
• Provides three-state outputs to facilitate bus-oriented memory and clocking applications
• Features master reset functionality to initialize all flip-flops simultaneously

Applications

• Bus-oriented memory registration
• Clock distribution circuits
• Parallel data buffering

Procurement Notes

Verify the specific suffix 'ATPC' against the manufacturer's official datasheet to confirm the PDIP-20 package and commercial temperature grade. Ensure compatibility with existing PCB footprints and signal integrity requirements before procurement. Confirm RoHS compliance status through the latest product change notification documents provided by Texas Instruments.

Selection Notes

Select this component when a nine-bit wide data path requires latching capability with three-state isolation. The FCT logic family offers speed comparable to LS TTL while maintaining CMOS power efficiency. Consider the 20-pin DIP package for through-hole prototyping or legacy system maintenance where surface mount options are not feasible.

Part Context

This part belongs to the 74FCT (Fast CMOS) logic family, designed to bridge the performance gap between standard CMOS and Low-power Schottky TTL. The CY74FCT823 series specifically addresses applications requiring medium-width data latching. It serves as a functional equivalent to other industry-standard nine-bit D-type bus drivers within the same logic family constraints.

Replacement Considerations

Public confirmed substitute part numbers: None identified in available documentation.