CD54HCT273F Integrated Circuit - DIP20 - Harris Semiconductor

CD54HC244F Integrated Circuit - DIP20 - Harris Semiconductor

CD54HC240F3A Integrated Circuit - DIP20 - Harris Semiconductor

CD54HCT244F Integrated Circuit - DIP20 - Harris Semiconductor

CD54HC245F3A Integrated Circuit - DIP20 - Harris Semiconductor

CD54HC541F Integrated Circuit - DIP20 - Harris Semiconductor

MC54HC273AJ Integrated Circuit - DIP20 - Motorola Semiconductor

54F374DM Integrated Circuit - DIP20 - National Semiconductor - NSC