Dual 2-wide AND-OR-Invert Gates, 8-Input, 22ns, PDIP
AND-OR-Invert Gate 2-Element 2 Wide 2-IN Bipolar 14-Pin PDIP Tube
2-Element OR Gate IC, 4-Input, 22ns, 5V, PDIP
Dual 2-wide 2-input AND-OR-Invert Gates 14-PDIP 0 to 70
SN74S51NS