Before revision: + Typical supply-pin labeling BJT FET Positive supply voltage VCC/VBB VDD V+ VS+ Negative supply voltage VEE VSS V− VS− Ground GND GND 0 0 The simplest labels are V+ and V−, but internal design and historical traditions have led to a variety of other labels being used.
After revision: DCDCVINVDDVAGNDGNDGND+ Typical supply-pin labeling BJT FET Positive supply voltage VCC/VBB VDD V+ VS+ Negative supply voltage VEE VSS V− VS− Ground GND GND 0 0 The simplest labels are V+ and V−, but internal design and historical traditions have led to a variety of other labels being used.