251828-03 Integrated Circuit - DIP40 - Mospec Semiconductor

INS8154N Integrated Circuit - DIP40 - National Semiconductor - NSC

INS8060N Integrated Circuit - DIP40 - National Semiconductor - NSC

INS8060N Integrated Circuit DIP-40 National Semiconductor #B-498-01

MC6846L1 Integrated Circuit - DIP40 - Motorola Semiconductor

CP82C37A12 Integrated Circuit - DIP40 - Harris Semiconductor

901466-04 SemiConductor - DIP40 - Mospec Semiconductor

901466-02 SemiConductor - DIP40 - Mospec Semiconductor