<page_title> List of 7400-series integrated circuits </page_title> <section_title> Larger footprints </section_title> <table> <cell> 7451, 74H51, 74S51 <col_header> 74x00 – 74x99 Part number </col_header> </cell> <cell> dual 2-2-input AND-OR-Invert gate <col_header> Description </col_header> </cell> </table>
The TTL 7400 of 7451 has dual 2-2-input AND-OR-invert gate.