SN74ABT8543DW

Specialty Logic Overview

The SN74ABT8543DW is a specialty logic device manufactured by Texas Instruments, featuring an octal register bus transceiver with scan test capabilities. It operates within a supply voltage range of 4.5 V to 5.5 V and supports TTL input and output levels. The component provides tri-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 5.9 ns and functions reliably across an operating temperature range from -40°C to +85°C. The device is housed in a 28-pin SOIC package.

Specialty Logic Feature Summary

• Integrates an octal register bus transceiver for efficient data handling
• Includes dedicated scan test functionality for manufacturing verification
• Provides tri-state outputs to facilitate bus line management

Specialty Logic Applications

• Digital system data bus interfacing
• Scan chain testing in logic circuit verification
• Octal register data storage and transfer operations

Specialty Logic Procurement Notes

Verify the specific package variant and manufacturer documentation to ensure compatibility with design requirements. Confirm that the component meets all necessary environmental and electrical standards for the intended application environment before finalizing procurement decisions.

Specialty Logic Selection Notes

Select this component when an octal register bus transceiver with integrated scan test features is required. Ensure the design accommodates the 28-pin SOIC package dimensions and that the power supply constraints align with the specified voltage range for optimal performance.

Specialty Logic Part Context

This part belongs to the Texas Instruments 74ABT series, which utilizes BiCMOS technology to deliver high-speed performance. It serves as a specialized solution for applications requiring both data transmission and diagnostic scan capabilities within a single integrated circuit package.

Specialty Logic Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout and functional equivalence before replacing the original component to maintain system integrity.