The STLV3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. All transmitter outputs and receiver inputs are protected up to 8KV USING IEC 1000-4-2 contact discharge and 15KV using the Human Body Model. The receiver R2 is always active to implement a wake-up feature for serial port. The device is guaranteed to run at data rates of 250kbps while maintaining RS-562 output levels. The Auto-powerdown feature operates when FORCEON is low and FORCEOFF is high. During this operation mode, if the device does not sense a valid RS-562 signal, the driver outputs are