DM74LS240WM Logic IC - SO20 - National Semiconductor - NSC

DM74LS244WM Logic IC - SO20 - National Semiconductor - NSC

DM74ALS580AWM Logic IC - SO20 - National Semiconductor - NSC

DM74ALS373WM Logic IC - SO20 - National Semiconductor - NSC

74ACT241 Logic IC - SO20 - National Semiconductor - NSC

DM74ALS Logic IC - Standard Case - National Semiconductor - NSC

DM74LS245WM Logic IC - SO20 - National Semiconductor - NSC

DM74ALS574AWM Logic IC - SO20 - National Semiconductor - NSC