HA12038 Integrated Circuit - DIP28 - Harris Semiconductor

CDP65C51E1 Integrated Circuit - DIP28 - Harris Semiconductor

HA11711 Integrated Circuit - DIP28 - Harris Semiconductor

P82C59A-2 INTEGRATED CIRCUIT DIP-28

CP82C59A5 Integrated Circuit - DIP28 - Harris Semiconductor

HIP4086AP Integrated Circuit - DIP28 - Harris Semiconductor

HA1153 Integrated Circuit - DIP28 - Harris Semiconductor

MSM77C20A89 Integrated Circuit - DIP28 - OKI Semiconductor