CY74FCT245ATSOC

Overview

The CY74FCT245ATSOC is an octal bus transceiver manufactured by Texas Instruments within the FCT logic series. It features a single non-inverting circuit with three-state outputs, packaged in a 20-pin SOIC format. The device operates on a supply voltage range of 4.75 V to 5.25 V and supports TTL input and output levels. Key electrical specifications include a propagation delay of 7 ns, a low-level output current of 64 mA, and a high-level output current of -32 mA. It functions reliably across a temperature range from -40°C to +85°C.

Feature Summary

• Octal bidirectional data transfer capability for eight-bit wide buses
• Three-state outputs enable connection to multiple systems without interference
• TTL-compatible input and output voltage levels ensure standard interface compatibility

Applications

• High-speed data bus architectures requiring bidirectional communication
• Memory mapping circuits connecting microprocessors to storage devices
• Control signal distribution in industrial automation systems

Procurement Notes

Verify the specific suffix 'A' against the manufacturer's official documentation to confirm package dimensions and thermal characteristics. Ensure the procurement channel provides valid traceability records. Confirm that the component meets RoHS compliance requirements as specified in the latest datasheet revision. Cross-reference the ordering information with the official Texas Instruments product selection guide to avoid counterfeit parts.

Selection Notes

Select this component when designing systems requiring an octal bus transceiver with fast switching speeds and robust drive capabilities. The FCT series offers superior performance compared to older logic families while maintaining pin compatibility. Consider the 20-SOIC package for surface-mount applications where space efficiency is critical. Evaluate the 7 ns propagation delay against system timing constraints to ensure signal integrity at operating frequencies.

Part Context

This part belongs to the CY74FCT245T family of octal bus transceivers. It serves as a digital interface solution for transferring data between two buses. The FCT technology combines CMOS speed with LSTTL compatibility. This specific variant utilizes a standard plastic small-outline integrated circuit package suitable for automated assembly processes in consumer and industrial electronics manufacturing.

Replacement Considerations

CY74FCT245CTSOC

FAQ

What is the maximum low-level output current?

The maximum low-level output current is 64 mA.

Does the device support bidirectional data flow?

Yes, it is an octal bus transceiver designed for bidirectional data transfer.