ST232BDR is a Dual-Channel RS-232 Line Driver/Receiver IC manufactured by STMicroelectronics. This IC is designed to provide true RS-232 operation up to 250kbps; it offers true fail-safe operation, with power-on and power-down protection, and automatic data rate sensing. Additionally, it provides 5V or 3V supply voltage operation and operates over wide temperature range50°C to +125°C. ST232BDR is ideal for POS terminals, industrial automation systems, and many other demanding applications requiring a high-speed RS-232 solution.