Proto Boards MAX3232 - RS-232 /Receiver - TI Line Driver The MAX3232 device consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV. ESD protecon terminal to terminal (serial... PCB Assembly standard: IPC-A-610 Class II. PCB construction: FR-4 UL94V-0. PCB operating temperature range: -40C to +130C. RS232 - UART Breakout Board | MSX PCB reflow maximum temperature: +260C. SpeedBox 3.1 B.Tuning for Giant :: SpeedBox Tuning