74FCT543CTSOG

Buffers, Drivers, Receivers, Transceivers Overview

The IDT 74FCT543CTSOG is an octal bus transceiver from the 74FCT logic series, manufactured by Integrated Device Technology. It features eight bidirectional data channels with three-state outputs and non-inverting polarity. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports TTL input and output levels. Packaged in a 24-pin SSOP format for surface mount installation, it functions as a registered transceiver with independent control capabilities. The component is rated for operation between -40 °C and +85 °C, ensuring reliability in industrial environments.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight bidirectional data paths with three-state outputs for efficient bus management
• Integrates registered functionality to synchronize data transfer via clock signals
• Supports TTL-compatible input and output voltage levels for broad interface compatibility

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems requiring synchronized signal buffering
• Microprocessor-based memory interfaces utilizing registered data latching
• Industrial control networks needing reliable bidirectional communication channels

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'CTSOG' against the manufacturer's current datasheet to confirm package dimensions and pinout compatibility. Ensure the procurement source provides valid RoHS compliance documentation if required by your assembly standards. Cross-reference the part number with Texas Instruments or IDT archives, as this component may be subject to lifecycle changes or obsolescence notices.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal registered transceiver with three-state outputs is required for synchronous data handling. It is suitable for designs needing TTL-level interfacing and bidirectional data flow control. Consider the SSOP package constraints for PCB layout and verify that the operating temperature range meets the environmental requirements of the target application.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74FCT family of high-speed CMOS logic devices, designed for performance comparable to LS-TTL but with CMOS power efficiency. The 74FCT543 variant specifically addresses applications requiring registered bus driving. While originally produced by IDT, this product line has been integrated into broader semiconductor portfolios following industry acquisitions, maintaining standard pinouts and electrical characteristics.