DM74S473AN Logic IC - DIP20 - National Semiconductor - NSC

MM74HCT541N Logic IC - DIP20 - National Semiconductor - NSC

MC74HC540N Logic IC - DIP20 - Motorola Semiconductor

PI74FCT374TPA Logic IC - DIP20 - Pericom Semiconductor

MC74HC373N Logic IC - DIP20 - Motorola Semiconductor

PI74FCT374TP Logic IC - DIP20 - Pericom Semiconductor

74S472 Logic IC - DIP20 - National Semiconductor - NSC

TP3155 CMOS Logic IC - DIP - National Semiconductor - NSC