The HX811T is a SOT-143 RoHS compliant electronic part manufactured by Hengjiaxing. It is a Microprocessor & Microcontroller Supervisors and provides a reliable supervisor circuit which works with Intel® EPROM and microcontroller products. It is designed to be used with single or quad EPROMs and microcontrollers. The device provides an active low reset output and a voltage detector input. It monitors three voltages: VCC, RESET, and an external voltage. It also features active low reset and voltage detector inputs as well as power-on reset status outputs that are asserted during a power-on reset event. In addition, the device has built-in protect features which help protect against EPROM programming errors. Overall, the HX811T is a versatile, RoHS compliant device for microprocessor and microcontroller applications.