54F521DMQB Integrated Circuit - DIC20 - National Semiconductor - NSC

CD54HC147F Integrated Circuit - DIC - Harris Semiconductor

54F244DMQB Integrated Circuit - DIC20 - National Semiconductor - NSC

CD54HC221F Integrated Circuit - DIC - Harris Semiconductor

CD54HC00F Integrated Circuit - Standard Case - Harris Semiconductor

CD54HC193F Integrated Circuit - DIP16 - Harris Semiconductor

CD54HC190F Integrated Circuit - DIP16 - Harris Semiconductor

CD54HC164F Integrated Circuit - DIP14 - Harris Semiconductor