S-35390A 2-Wire Real-Time Clocks ABLIC S-35390A 2-Wire Real-Time Clocks feature a low current consumption in a wide operating voltage range of 1.3 to 5.5V. These RTCs can be used for many applications, including as the main supply or backup battery. The S-35390A series allows for longer battery life with 0.25μA current consumption. The clocks have a built-in free user register for backup memory and a built-in correction function. Typical applications for ABLIC S-35390A 2-Wire Real-Time Clocks include mobile game devices, cameras, electronic power meters, TVs, mobile phones, and much more.