DM74ALS652WM Logic IC - SO24 - National Semiconductor - NSC

MM74HCT04M Logic IC - SO - National Semiconductor - NSC

74HC283N Logic IC - Standard Custodia - National Semiconductor - NSC

MM74HC Logic IC - SO16 - National Semiconductor - NSC

MM74HCT574WM Logic IC - SO20 - National Semiconductor - NSC

MM74HC589M Logic IC - SOP16 - National Semiconductor - NSC

MM74HCT541WM Logic IC - SO20 - National Semiconductor - NSC

MM74HC221AN Logic IC - DIP - National Semiconductor - NSC