SN74LS641DWR2

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS641DWR2 is an octal bus transceiver belonging to the Motorola LS series, housed in a 20-pin SOIC package. It features open-collector outputs and supports bidirectional data transfer controlled by common direction and enable signals. The device operates within a temperature range of 0°C to 70°C and has a load capacitance of 45 pF.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver architecture with open-collector outputs
• Bidirectional data transfer capability via common control signals
• Compatible with standard LS logic families

Buffers, Drivers, Receivers, Transceivers Applications

• General-purpose bidirectional bus interfacing
• Memory-to-peripheral data routing
• I/O expansion systems requiring open-drain termination

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation carefully, as this specific part number variant may be associated with legacy or obsolete production lines. Confirm RoHS compliance status and current availability directly with authorized distributors, as supply chain continuity for older LS series components can vary significantly between suppliers.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require eight-bit bidirectional data paths with open-collector output characteristics. Ensure the application voltage levels align with standard TTL requirements and that the thermal environment remains within the specified operating range for reliable performance.

Buffers, Drivers, Receivers, Transceivers Part Context

This device is part of the broader SN74LS64x family of octal bus transceivers. It shares functional similarities with other variants like the SN74LS641ND but differs in packaging and specific manufacturing origin details. It serves as a foundational interface component in digital logic designs from the late 20th century.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include the SN74LS641N (DIP) or SN74LS641DW (SOIC) from Texas Instruments, provided pin compatibility and electrical specifications match the design requirements.