1. What will cause latch-up in a CMOS IC? What might happen in this condition? What precautions should be taken to prevent latch-up?
2. The 74LS09 TTL IC is a quad two-input AND with open-collector outputs. Show how 74LS09s can be used to implement the operation x = A · B · C · D · E · F · G · H · I · J · K · M.