ST’s portfolio of interfaces includes standard interfaces (such as RS-232, RS-422, RS-423, RS-485, LVDS, and USB), I/O expanders, level translators and application-specific interfaces for smart cards and Ethernet.

ST’s connectivity ICs range from wireline to wireless solutions. For wireline communication, ST offers a complete family of transceivers compatible with different protocol standards used in the industry (PRIME, Meters and More, IEC 61334-5-1, CAN and others).

Wireless solutions include low-power RF solutions (based on 802.15.4, sub-1GHz RF, and Bluetooth technologies), RF solutions (sub-GHz to 5 GHz) and infrared communication ICs.