DS8973 Description
The DS8973 is a 9-digit driver designed to operate from 3-cell battery supplies Each driver will sink 100 mA to less than 0 7V when driven by only 0 1 mA Each input is blocked by diodes so that the input can be driven below ground with virtually no current drain This is especially important in calculator systems employing a DC-to-DC converter on the negative side of the battery If the converter were on the positive...