alpha = 0.1                     # Activity factor
C_avg = 450E-12                 # Average switching capacitance [F / mm^2]
A = 70                          # Chip area [mm^2]
f = 450E+6                      # Clock frequency [Hz]
V_DD = 0.9                      # Supply voltage [V]

C_sw = C_avg * A                # Total switching capacitance [F]
f_sw = alpha * f                # Switching frequency [Hz]

P_sw = C_sw * V_DD**2 * f_sw    # Dynamic power [W]

print(f"Dynamic Power: {P_sw}")