Compute the maximum fanout (overall fan-out) and indicate how much "excess" driving capab
Compute the maximum fanout (overall fan-out) and indicate how much "excess" driving capability is available in the LOW or HIGH state for each case. ("excess" driving capability: 剩余驱动能力(剩余电流余量)) (a) 74HCT driving 74LS (b) 74LS driving 74AS