SN74LS640MR1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS640MR1 is an octal bus transceiver from the LS series TTL family, manufactured by onsemi. It features a PDSO20 package and provides inverted outputs. The device supports asynchronous two-way communication between data buses, allowing data transmission from the A bus to B or from the B bus to A depending on the logic level of the direction control (DIR).

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports asynchronous two-way communication between data buses.
• Direction control determines data flow between A and B buses.

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous two-way communication between data buses

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the component status and material composition details through official onsemi documentation before procurement. Confirm that the specific package type and output inversion characteristics align with your circuit design requirements. Ensure compliance with relevant environmental standards as documented in the manufacturer's compliance statements.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring octal bus transceivers with TTL compatibility. Consider the inverted output characteristic and the specific PDSO20 package constraints. Verify that the LS series speed and power consumption meet the system's performance needs compared to other available logic families.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LS640 series of octal bus transceivers. It is designed for general-purpose data bus applications within TTL logic systems. The MR1 suffix typically indicates a specific tape and reel packaging option for automated assembly processes.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consult onsemi's cross-reference tools for compatible alternatives. Verify functional equivalence regarding pinout, electrical characteristics, and package dimensions before substitution.