74ABT245CMSA

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ABT245CMSA is an octal bus transceiver belonging to the ABT logic series. It contains eight non-inverting bidirectional buffers with three-state outputs, designed for high-performance bus-oriented applications. The device features a sink capability of 64 mA and a source capability of 32 mA on both A and B ports. It operates within a voltage range of 2.7 V to 3.6 V and utilizes a 20-pin TSSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transfer between buses controlled by direction inputs
• Features high drive current capabilities with significant output sinking and sourcing capacity
• Ensures glitch-free operation during power-up and power-down cycles

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory systems
• Microprocessor-based computing architectures
• Asynchronous bidirectional data transmission networks

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'MSA' against official Fairchild or ON Semiconductor documentation to confirm the exact tape-and-reel packaging configuration. Ensure the component matches the required 3.6V maximum operating voltage and TSSOP-20 physical dimensions before integration into the design.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-speed octal data transfer with robust drive strength. It is suitable for applications needing simultaneous switching specifications and latchup protection. Verify that the system voltage aligns with the 2.7 V to 3.6 V operational range.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Advanced BiCMOS Technology (ABT) family, which offers higher speed and drive strength compared to standard ALS or HC logic families. It serves as a critical interface component in digital systems requiring reliable, high-current bidirectional communication between different circuit blocks.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the SN74ABT245 from Texas Instruments and the MC74ABT245 from ON Semiconductor. These alternatives share identical logical functions and pinouts but may differ in specific electrical characteristics or packaging options.