I have trying to simulate the parallel in serial out shift register 74HCT165 with the library downloaded from this group (74HCT.lib) but I can't complete the simulation as there is a warning message of " can't resolve .param vcc1=vcc is popping up while running the simulation.?How can Add the values for vcc, speed and tripdt1 for this model? Please suggest a solution for this issue.?wakeup