SD5200N Integrated Circuit - DIP16 - National Semiconductor - NSC

MM74C48N Integrated Circuit - DIP16 - National Semiconductor - NSC

ULN2003R Integrated Circuit - DIP16 - National Semiconductor - NSC

MM5437 Integrated Circuit - DIP - National Semiconductor - NSC

DS8922AN Integrated Circuit - DIP16 - National Semiconductor - NSC

MM5056H Integrated Circuit - TO99 - National Semiconductor - NSC

DM74S288AN Integrated Circuit - CUSTODIA: DIP16 MAKE: National Semiconductor

PAL16C1CJ Integrated Circuit - DIP20 - National Semiconductor - NSC