DM8090N Integrated Circuit - DIP16 - National Semiconductor - NSC

DM8551N Integrated Circuit - DIP16 - National Semiconductor - NSC

4 x TMS4116-15NL Texas Instruments 4116 Lower RAM Chips - Sinclair ZX Spectrum

DM8577N Integrated Circuit - DIP16 - National Semiconductor - NSC

DM85L12N Integrated Circuit - DIP16 - National Semiconductor - NSC

DM8099N Integrated Circuit - DIP16 - National Semiconductor - NSC

DM9370N Integrated Circuit - DIP16 - National Semiconductor - NSC

DM86S64CAB-N Integrated Circuit - DIP16 - National Semiconductor - NSC