MM74HC154WM Logic IC - SO24 - National Semiconductor - NSC

DM74ALS Logic IC - Standard Custodia - National Semiconductor - NSC

MM74HCT541WM Logic IC - SO20 - National Semiconductor - NSC

MM74HC374WM Logic IC - SO20 - National Semiconductor - NSC

MM74HCT574WM Logic IC - SO20 - National Semiconductor - NSC

DM74S20N Logic IC - DIP - National Semiconductor - NSC

DM74ALS241AWM Logic IC - SO20 - National Semiconductor - NSC

74LS573WM Logic IC - SO20 - National Semiconductor - NSC