TC74VHC161,163F/FK TOSHIBA CMOS Digital Integrate.
TC74VHC161FK - Synchronous Presettable 4-Bit Counter
TC74VHC161,163F/FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74VHC161F, TC74VHC161FK TC74VHC163F, TC74VHC163FK Synchronous Preset.