CY74FCT2245SOCT

Overview

The CY74FCT2245SOCT is an octal bus transceiver from the FCT logic series, manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and features TTL-compatible input and output levels. The device provides three-state outputs and supports non-inverting data transmission across eight channels. It exhibits a propagation delay of 4.6 ns and delivers low-level output currents up to 12 mA and high-level output currents up to -15 mA. Designed for surface-mount applications, it is housed in a 20-pin SOIC package and functions reliably within an operating temperature range of -40°C to +85°C.

Feature Summary

• Octal bidirectional data transfer capability with three-state outputs for efficient bus management
• TTL-compatible interface supporting standard digital logic signaling requirements
• High-speed performance characterized by a 4.6 ns propagation delay

Applications

• High-performance memory mapping systems
• Clock drivers and buffer circuits
• Control line buffering in industrial environments

Procurement Notes

Verify the specific suffix 'SOCT' against official Texas Instruments documentation to confirm the tape-and-reel packaging configuration and lead-free status. Ensure compatibility with existing PCB footprints for the 20-SOIC package. Cross-reference the manufacturer part number directly with current datasheets to validate electrical specifications and environmental compliance before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring robust octal bus interfacing with TTL signal levels. It is suitable for applications demanding moderate drive strength and fast switching speeds within a 5V logic environment. Consider the thermal characteristics and package constraints during layout planning to ensure reliable operation across the specified industrial temperature range.

Part Context

This component belongs to the CY74FCT2245T family of bus transceivers. It serves as a critical interface element in digital electronics, facilitating data movement between microprocessors and peripheral devices. The FCT series is engineered for high-speed operation while maintaining compatibility with traditional TTL standards, making it a versatile choice for legacy and modern mixed-signal designs.

Replacement Considerations

Consult official substitution guides for equivalent octal bus transceivers with matching pinouts and electrical characteristics. Verify that alternative components support the same 4.75V to 5.25V supply range and 20-SOIC form factor to maintain design integrity without requiring schematic modifications.