The DS8874 is a 9-digit LED driver which incorporates a shift register input decoding circuit and a low battery indicator Outputs will sink 110 mA at less than 0 5V drop when sequentially selected When the VCC supply falls below 6 5V typical segment current will be furnished at digit 9 time to indicate a low battery condition Pin 13 is generally connected to the decimal point segment on the display so that when a low battery condition exists the left-most decimal point lights up