V9938 Semiconductor - DIP64 - Yamaha

STV6889 Semiconductor - DIP32 - ST Microelectronics - STM

STK3042II Semiconductor - STK3042II - Sanyo

STK4038II Integrated Circuit Hybrid - STK4038II - Sanyo Semiconductor

STK0080II SemiConductor - STK0080II - Sanyo Semiconductor

STK1060II Integrated Circuit - STK1060II - Sanyo Semiconductor

STK4211II Integrated Circuit Hybrid - STK4211II - Sanyo Semiconductor

STK4181-II SemiConductor - STK4181-II - Sanyo Semiconductor