By using this MAX809SN293D2T1G microprocessor supervisory circuit from ON Semiconductor you won"t have to worry if something happens to your main processor. This component will be shipped in tape and reel packaging for effective mounting and safe delivery. This device has a minimum operating supply voltage of 1.2 V and a maximum of 5.5 V. This part has a minimum operating temperature of -40 °C and a maximum of 105 °C. It has a typical reset threshold voltage of 2.93 V, with a minimum of 2.89 V and a maximum of 2.96 V.