SN74ALS641ADW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALS641ADW is an octal bus transceiver from the Texas Instruments ALS logic family, housed in a 20-pin SOIC package. It operates on a single supply voltage ranging from 4.5 V to 5.5 V and supports TTL input and output levels. The device features non-inverting polarity with direction control capabilities. It provides high drive strength with a low-level output current of 48 mA and a high-level output current of -0.1 mA. The propagation delay is specified at 25 ns under maximum load conditions.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data transfer capability
• Direction control for data flow management
• High drive output current capacity

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module data bus interfacing
• Microprocessor system data routing
• Control signal distribution networks

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DW' confirms the SOIC-20 surface mount package variant. Confirm the manufacturer designation remains Texas Instruments as the primary source. Check for any obsolescence notices or lifecycle status updates prior to finalizing procurement plans.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal transceiver with direction control is required for high-current applications. Ensure the design accommodates the specific high-level output current limitation compared to standard variants. Verify that the SOIC-20 footprint aligns with the target PCB layout constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74ALS641A series of octal bus transceivers. It serves as a key interface element in digital systems requiring controlled data flow between buses. The ALS technology ensures faster switching speeds compared to standard 74-series counterparts while maintaining compatible logic levels.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74ALS641AN-1 is a documented related component within the same product family.