SN74ABT8543DLR

Specialty Logic Overview

The SN74ABT8543DLR is an octal bus transceiver manufactured by Texas Instruments, utilizing ABT BiCMOS logic technology. It features eight bidirectional data paths with three-state outputs and includes built-in bus-hold circuitry to maintain stable logic levels during idle states. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports surface-mount packaging in an SSOP-56 format. Designed for high-speed applications, it ensures reliable data transmission across system buses while minimizing signal reflections and power consumption.

Specialty Logic Feature Summary

• Octal bidirectional data path architecture supporting simultaneous data transfer in both directions
• Three-state outputs allowing direct connection to system buses without additional drivers
• Integrated bus-hold circuitry to prevent floating inputs and ensure defined logic states

Specialty Logic Applications

• High-speed memory buffer interfaces
• Bidirectional data bus isolation circuits
• System-level data routing and switching

Specialty Logic Procurement Notes

Verify the specific suffix 'DLR' against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing board layouts requiring SSOP-56 footprints. Cross-reference electrical parameters such as propagation delay and output drive strength with current design requirements before finalizing procurement decisions.

Specialty Logic Selection Notes

Select this component when designing systems requiring robust bidirectional data transfer with minimal external components. The integrated bus-hold feature simplifies interface design by eliminating the need for external pull-up or pull-down resistors. Consider the ABT technology benefits for improved speed and lower power consumption compared to standard TTL alternatives.

Specialty Logic Part Context

This part belongs to the SN74ABT series of high-speed BiCMOS logic devices from Texas Instruments. The ABT family combines the speed of Schottky TTL with low power consumption characteristics. This specific model serves as an octal bus transceiver, providing essential functionality for managing data flow between different sections of complex electronic systems.