The LTC2845 is a 5-driver/5-receiver multiprotocol transceiver. The LTC2845 and LTC2846 form the core of a complete software-selectable DTE or DCE interface port that supports the RS232, RS449, EIA530, EIA530-A, V.35, V.36 or X.21 protocols. The LTC2845 operates from a 3.3V supply and supplies provided by the LTC2846. This part is available in a 36-lead SSOP and 38-lead (7mm x 5mm) QFN package. The LTC2845 and LTC2847 in QFN packages offer the smallest multiprotocol serial port available. Applications * Data Networking * CSU and DSU * Data Routers * Software-Selectable Transceiver Supports: RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21 * Operates from Single 3.3V Supply with LTC2846 or a Single 5V Supply with 3.3V Logic with LTC2847* Complete DTE or DCE Port with LTC2846 or LTC2847 https://elecena.pl/product/255932/3-3v-software-selectable-mutiprotocol-transceiver 2007-03-03 https://elecena.pl/product/255932/3-3v-software-selectable-mutiprotocol-transceiver 2014-06-12 https://elecena.pl/product/255932/3-3v-software-selectable-mutiprotocol-transceiver 2025-01-18