+---+--+---+ +---+---+---*---+---+ Q3 |1 +--+ 16| VCC | LE| LP| D | Q |/Q | Q0 |2 15| /Q3 +===+===+===*===+===+ /Q0 |3 14| D3 | 0 | 0 | 0 | 0 | 1 | D0 |4 13| D2 | 0 | 0 | 1 | 1 | 0 | LE |5 4042 12| /Q2 | 1 | 0 | X | - | - | LP |6 11| Q2 | 1 | 1 | 0 | 0 | 1 | D2 |7 10| Q1 | 1 | 1 | 1 | 1 | 0 | GND |8 9| /Q1 | 0 | 1 | X | - | - | +----------+ +---+---+---*---+---+