DM74LS471N Logic IC - DIP20 - National Semiconductor - NSC

74F240N Logic IC TTL - DIP20 - National Semiconductor - NSC

74F540N Logic IC - DIP20 - National Semiconductor - NSC

MM74HC356N Logic IC - DIP20 - National Semiconductor - NSC

74F2244PC Logic IC - DIP20 - National Semiconductor - NSC

74F545PC Logic IC - DIP20 - National Semiconductor - NSC

MM74HC149N Logic IC - DIP20 - National Semiconductor - NSC

74F588PC Logic IC - DIP20 - National Semiconductor - NSC