74FCT543ASCX

Buffers, Drivers, Receivers, Transceivers Overview

The 74FCT543ASCX is an octal registered transceiver from the FCT series, manufactured by National Semiconductor. It features a 24-CDIP package and provides non-inverting data transfer with tri-state outputs. The device operates within a supply voltage range of 4.75V to 5.25V and supports TTL input and output levels. It includes eight circuits per element, ensuring reliable bus communication in digital systems.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal registered transceiver architecture for high-density data handling
• Tri-state outputs enable efficient bus sharing and isolation
• Non-inverting logic maintains signal polarity during transmission

Buffers, Drivers, Receivers, Transceivers Applications

• Bus interface circuits requiring registered data latching
• High-speed digital data transmission systems
• Memory buffer applications in computer architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify manufacturer authenticity as National Semiconductor assets are managed by Texas Instruments. Confirm package integrity for the 24-CDIP configuration. Check datasheet revisions for electrical parameter updates. Ensure compatibility with existing system voltage requirements before integration into production lines.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring octal data registration and bus driving capabilities. The FCT series offers speed advantages over standard LS logic. Consider the CDIP package for through-hole mounting needs. Verify that the tri-state functionality aligns with the target bus protocol requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74FCT family, known for fast CMOS technology compatible with TTL inputs. National Semiconductor was acquired by Texas Instruments, which now manages the product line. The 74FCT543A variant specifically provides registered transceiver functions for complex digital interconnects.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Texas Instruments CY74FCT543 variants may serve as functional equivalents. Verify pinout compatibility between CDIP and alternative packages like SSOP or QSOP. Ensure electrical specifications match the original design constraints before substitution.