Single buffer line from 74ABT244 to 16 inputs for 74AHC245?
What does your datasheet say?
-32mA (hi) 64 mA (Lo) drive
+/-1 uA load + 10pf (Ic=C dV/dt) per transition
What is load capacitance? And frequency? To determine Zc
So far so good, what f ? low? No problem

make sure to use decoupling cap on IC’s.  ~0.01 uF typ.