It adds up to 14 when all component pins are added together.It is vital that its operating temperature doesn't exceed 85 °C.A minimum value of -40 °C should be maintained as its operating temperature.
TC74VHC164FT(EK2,M Features
TC74VHC164FT(EK2,M Applications
There are a lot of Toshiba TC74VHC164FT(EK2,M Specialty Logic ICs applications.