HI3-547-5 Integrated Circuit - DIP28 - Harris Semiconductor

MK4816N4 Integrated Circuit - DIP28 - Mospec Semiconductor

CP82C59A5 Integrated Circuit - DIP28 - Harris Semiconductor

HI3-507-5 Integrated Circuit - DIP28 - Harris Semiconductor

MM5480N Integrated Circuit - DIP28 - National Semiconductor - NSC

LC36256AL85 Integrated Circuit - DIP28 - Sanyo Semiconductor

LM1281N Integrated Circuit - DIP28 - National Semiconductor - NSC

LM4651N Integrated Circuit - DIP28 - National Semiconductor - NSC