GAL20V8 CombTest Clock I0 I1 I2 I3 I4 I5 I6 I7 NC NC GND /OE I8 O0 O1 O2 O3 O4 O5 NC NC NC VCC O0.R = I0 * I1 + OE ; Can't use pin 13 as input O1.R = I2 + I3 O2.R = I4 * /I5 + /I4 * I5 O3.R = I0 * I1 * I2 * I3 * I4 * I5 /O4.R = I0 + I1 + I2 + I3 + I4 + I5 /O5.R = /I7 + I8 DESCRIPTION Simple test of combinatorial logic.