82C51-DIP28 Semiconductor - DIP28 - OKI Semiconductor

MSM82C51A-RS Integrated Circuit - DIP28 - Generic Make

MSM82C51A-TSOP32 Integrated Circuit - TSOP32 - OKI Semiconductor

CP82C59A5 Integrated Circuit - DIP28 - Harris Semiconductor

28C64A-15 Integrated Circuit - DIP28 - OKI Semiconductor

MSM77C20A89 Integrated Circuit - DIP28 - OKI Semiconductor

SAB82C59A2P Integrated Circuit - DIP28 - Siemens Semiconductors

82C53-5-SMD Integrated Circuit - SMD - OKI Semiconductor