DM74ALS Logic IC - Standard Custodia - National Semiconductor - NSC

DM74S20N Logic IC - DIP - National Semiconductor - NSC

DM74LS377N Logic IC - DIP20 - National Semiconductor - NSC

DM74LS241N Logic IC - DIP20 - National Semiconductor - NSC

DM74LS645N Logic IC - DIP20 - National Semiconductor - NSC

DM74S240N Logic IC - DIP20 - National Semiconductor - NSC

DM74ALS1240N Logic IC - DIP20 - National Semiconductor - NSC

DM74LS374N Logic IC - DIP20 - National Semiconductor - NSC