GAL16V8 -------\___/------- Clock | 1 20 | VCC | | I0 | 2 19 | NC | | I1 | 3 18 | NC | | I2 | 4 17 | NC | | I3 | 5 16 | O4 | | I4 | 6 15 | I6 | | I5 | 7 14 | O2 | | NC | 8 13 | O1 | | NC | 9 12 | O0 | | GND | 10 11 | /OE -------------------