ST62T08CB6 SemiConductor - DIP20 - ST Microelectronics - STM

ST62T09CB6 Integrated Circuit - DIP20 - ST Microelectronics - STM

ST62T20B6HWD Integrated Circuit - DIP20 - ST Microelectronics - STM

T74LS244B1 Logic IC - DIP20 - ST Microelectronics - STM

T74LS240B1 Logic IC - DIP20 - ST Microelectronics - STM

T74LS373B1 Logic IC - DIP20 - ST Microelectronics - STM

T74LS374B1 Logic IC - DIP20 - ST Microelectronics - STM

T74LS377B1 Logic IC - DIP20 - ST Microelectronics - STM