74ACTQ245PC Logic IC - DIP20 - National Semiconductor - NSC

74ACT245PCQR Logic IC - DIP20 - National Semiconductor - NSC

74F377PC Logic IC - DIP20 - National Semiconductor - NSC

MM74HCT273N Logic IC - DIP20 - National Semiconductor - NSC

MM74HC356N Logic IC - DIP20 - National Semiconductor - NSC

74AC273 Logic IC - DIP20 - National Semiconductor - NSC

74ACTQ534 Logic IC - DIP20 - National Semiconductor - NSC

MC74HCT273AN Logic IC - DIP20 - Motorola Semiconductor