Epson Timing RX-4045SA Real-Time Clock Module features a built-in 32.7kHz crystal unit and a 1.7V to 5.5V operating voltage range. The RX4045SA module offers a 4-wire serial interface and has numerous functions, including stop detection, time and calendar, and interrupt function. Epson Timing RX-4045SA Real-Time Clock Module operates in the -40°C to +85°C temperature range.









