def METHOD_NAME(self):
    """
    Add a well and implant over the whole cell. Also, add the
    pwell contact (if it exists)
    """
    # Add it to the right, aligned in between the two tx
    active_pos = vector(self.bitcell.width,
                        self.nmos_lower.uy() + self.active_contact.height + self.active_space)
    self.add_via_center(layers=self.active_stack,
                        offset=active_pos,
                        implant_type="p",
                        well_type="p")
    # If there is a li layer, include it in the power stack
    self.add_via_stack_center(from_layer=self.active_stack[2],
                              to_layer=self.pin_layer,
                              offset=active_pos)
    self.add_layout_pin_rect_center(text="gnd",
                                    layer=self.pin_layer,
                                    offset=active_pos