GAL16V8 -------\___/------- CLK | 1 20 | VCC | | X3 | 2 19 | NC | | X2 | 3 18 | NC | | X1 | 4 17 | NC | | X0 | 5 16 | NC | | NC | 6 15 | NC | | NC | 7 14 | NC | | NC | 8 13 | NC | | NC | 9 12 | Y | | GND | 10 11 | /OE -------------------