INS8060N Integrated Circuit - DIP40 - National Semiconductor - NSC

MM5452N Integrated Circuit - CASE: DIP40 MAKE: NSC

INS8154N Integrated Circuit - DIP40 - National Semiconductor - NSC

INS8255N Integrated Circuit - DIP40 - National Semiconductor - NSC

MM5303N Integrated Circuit - DIP40 - National Semiconductor - NSC

MM5782N Integrated Circuit - DIP28 - National Semiconductor - NSC

INS8080AN Integrated Circuit - DIP40 - National Semiconductor - NSC

MM74C945N Integrated Circuit - DIP40 - National Semiconductor - NSC