TDA3505GA Integrated Circuit - DIP28 - Vishay Semiconductor

GAL26CV12B15LP Integrated Circuit - DIP28 - Lattice Semiconductor

LC3664BL10 Integrated Circuit - DIP28 - Sanyo Semiconductor

U318M Integrated Circuit MOS - DIP28 - Vishay Semiconductor

CDP1855CE Integrated Circuit - DIP28 - Harris Semiconductor

GM76C256BLL-70 Integrated Circuit - DIP28 - Vishay Semiconductor

LA7751 Integrated Circuit - DIP28 - Sanyo Semiconductor

LM1283N Integrated Circuit - DIP28 - National Semiconductor - NSC