SN75ALS172N

Drivers, Receivers, Transceivers Overview

The SN75ALS172N is a quad differential line driver manufactured by Texas Instruments, designed for RS-422 and RS-485 communication interfaces. It operates with a single 5 V power supply and supports data rates up to 20 Mb/s. The device features four independent drivers with three-state outputs, housed in a 16-pin PDIP package. It functions within an operating temperature range of 0°C to +70°C and draws a typical supply current of 55 mA.

Drivers, Receivers, Transceivers Feature Summary

• Provides four independent differential line drivers for robust signal transmission
• Supports high-speed data transfer rates up to 20 megabaud
• Features three-state outputs to facilitate bus sharing in multi-drop configurations

Drivers, Receivers, Transceivers Applications

• RS-422 balanced digital interface circuits
• RS-485 multipoint communication systems
• Industrial control network nodes requiring differential signaling

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix to confirm the package type and lead-free status. Confirm availability as this component may be subject to discontinuation notices from the manufacturer. Ensure compatibility with existing PCB footprints before procurement.

Drivers, Receivers, Transceivers Selection Notes

Select this component when a quad driver configuration is required for RS-422 or RS-485 networks. It is suitable for designs needing 5 V operation and through-hole mounting. Compare against transceiver options if bidirectional communication is necessary rather than unidirectional driving.

Drivers, Receivers, Transceivers Part Context

This part belongs to the SN75ALS17x series of low-power ALS quadruple differential line drivers. It serves as a driver-only counterpart to receiver or transceiver devices within the same family, enabling flexible system architecture for serial communication buses.

Drivers, Receivers, Transceivers Replacement Considerations

Direct pin-compatible replacements include the SN75ALS172DR (SOIC package) or the legacy SN75172N. Verify that substitute parts meet the same 20 Mb/s speed and 5 V supply requirements.