A word line driver includes multiple current paths for driving a word line of a memory device to a negative voltage and a positive voltage. A plurality of eave members are provided between rows of the plurality of surface-mounted LEDs on the front surface side of the substrate. A rotating member is disposed in the open central region. Detent elements are provided on the closure and container body for selectively locking the closure in open and closed positions. In response to determining that the union of the first set of m-ary decision representations and the second set of m-ary decision representations describe the logic function, the union is reported.