MBM27C256-25 Integrated Circuit - DIP28 - Fuji Semiconductor

LC3564B Integrated Circuit - DIP28 - Sanyo Semiconductor

DS2130 Integrated Circuit - DIP28 - Dallas Semiconductor

HA11215 Integrated Circuit - DIP28 - Harris Semiconductor

LA7027 Integrated Circuit - DIP28 - Sanyo Semiconductor

GAL26CV12B15LP Integrated Circuit - DIP28 - Lattice Semiconductor

LM1282N Integrated Circuit - DIP28 - National Semiconductor - NSC

LC3664BL10 Integrated Circuit - DIP28 - Sanyo Semiconductor