THVD1406DR RS-485 Transceiver, Auto-Direction Control, SOP8
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Prices updated: 12 Oct 2026
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About this product
THVD1406DR is an RS-485 transceiver from Texas Instruments with automatic direction control, so it switches between driving and receiving on the bus without a separate direction pin. It comes in an SOP8 package and is used for half-duplex serial communication over long wired lines.
Specifications
- Interface
- RS-485
- Direction control
- Automatic (auto-direction)
- Package
- SOP8 (SOIC-8)
- Communication mode
- Half-duplex
Frequently asked questions
Do I need to control a DE/RE pin?
No. Auto-direction control switches between transmit and receive automatically, so the microcontroller does not need a direction pin.
Does a long RS-485 bus need termination?
For longer cables or higher data rates, termination resistors, commonly 120 ohm, are recommended at both ends of the bus.
