Catalog > Semiconductors > Integrated Circuits SP3491EN IC RS485 Low Power Full Duplex Transceiver 14PSO Part No: SP3491EN 19.99 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Downloads Datasheet - SP3491EN PDF File 481.89 KB