BUY MAX6314US31D1+ https://www.utsource.net/itm/p/8997566.html

Description: The MAX6314US31D1+ is a low-power, low-voltage reset IC with manual reset input and push-pull output in a SOT-143 package. Features: Low supply current: 0.5μA (typ) Low voltage operation: 2.7V to 5.5V Push-pull output Manual reset input Reset output active-low Reset timeout period: 140ms (typ) Available in SOT-143 package Applications: Battery-powered systems Automotive systems Industrial systems Portable electronics (For reference only)