CY74FCT543TSOC

Overview

The CY74FCT543TSOC is an octal registered bus transceiver 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 with a low-level output current of 64 mA and a high-level output current of -32 mA. It exhibits a propagation delay of 8.5 ns and functions at temperatures between -40°C and +85°C. Packaged in a 24-pin SOIC, it draws 100 uA during operation.

Feature Summary

• Octal registered bus transceiver architecture
• Three-state output capability
• TTL-compatible logic levels

Applications

• High-speed data transfer systems
• Memory buffer applications
• Clock driver circuits

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature grade. Confirm RoHS compliance status through the manufacturer's datasheet or ordering information. Ensure the component matches the required pinout and electrical specifications for the target design.

Selection Notes

Select this component for designs requiring registered bidirectional data flow with latched outputs. Consider the 8.5 ns propagation delay and 64 mA drive strength for signal integrity. Verify compatibility with the system's voltage domain and thermal requirements before integration.

Part Context

This part belongs to the FCT logic series, designed for high-speed CMOS applications. It serves as a registered interface between microprocessors and peripheral devices. The device integrates eight D-type flip-flops with bus transceivers for synchronized data handling.