74ABT245CMSAX

Buffers, Drivers, Receivers, Transceivers Overview

The 74ABT245CMSAX is an octal bidirectional transceiver with 3-state outputs manufactured by onsemi. It operates within a supply voltage range of +4.5V to +5.5V and supports an ambient temperature range of -40°C to +85°C. The device features a 20-lead Shrink Small Outline Package (SSOP). It provides an output sink capability of 64 mA and a source capability of 32 mA. Propagation delay ranges from 1.0 ns to 3.6 ns at VCC = 5V with a 50 pF load.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Bidirectional non-inverting buffers for bus-oriented applications
• High current sinking capability of 64 mA on both A and B ports
• Non-destructive hot insertion capability with glitch-free bus loading during power cycles

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented data communication systems
• Octal bidirectional bus interfaces
• Asynchronous 2-way data transmission between buses

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the component status as discontinued or obsolete through official manufacturer channels before procurement planning. Confirm that the 'X' suffix indicates tape and reel packaging. Ensure compatibility with existing system voltage levels and thermal requirements. Validate RoHS compliance details directly with the supplier documentation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for high-speed, high-drive applications requiring bidirectional data transfer. The ABT series offers superior speed compared to standard logic families. Ensure the design accommodates the 64 mA sink current capability. Verify that the SSOP package dimensions fit the target PCB layout constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ABT logic family, which utilizes BiCMOS technology for high performance. It serves as an octal transceiver variant within the broader 74-series logic ecosystem. The device integrates direction control and output enable functions into a single integrated circuit package.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct pin-compatible alternatives such as the 74ABT245CSC or 74ABT245CMTC from the same manufacturer. Verify functional equivalence regarding propagation delays and drive currents when substituting.