74FCT543ATQG8

Buffers, Drivers, Receivers, Transceivers Overview

The 74FCT543ATQG8 is an octal bus transceiver manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 4.75V to 5.25V and supports bidirectional data transfer with three-state outputs. The device features registered inputs for improved timing control and is housed in a 24-pin QSOP package. It is designed for high-speed digital applications requiring reliable data latching and transmission.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transfer capability between two buses
• Features registered inputs to enhance timing performance
• Supports three-state outputs for efficient bus sharing
• Operates reliably within standard CMOS logic voltage ranges

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems
• Memory buffer interfaces
• Industrial control networks
• Telecommunications equipment

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the exact suffix ATQG8 against official Renesas documentation to confirm pinout and electrical specifications. Confirm RoHS compliance status through current datasheets as manufacturing processes may evolve. Check for active production status or end-of-life notifications before finalizing procurement plans.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when registered bidirectional buffering is required for 8-bit data paths. Ensure the operating environment stays within the specified temperature range. Verify that the load capacitance requirements are met by the three-state output drive capability.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the FCT logic family, known for fast CMOS technology. It serves as a registered version of the standard 74FCT543, adding input storage for better synchronization. The QSOP-24 package offers a compact surface-mount solution suitable for dense circuit board layouts.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers include CY74FCT2543ATQCT and CY74FCT543ATQCT from Texas Instruments. Verify pin compatibility and electrical parameters before substitution.