U74AHC1G32L-AL5-R U74AHC1G66-AF5-R U74AHC1G66-AL5-R U74AHC1G66G U74AHC1G66G-AF5-R U74AHC1G66G-AL5-R U74AHC1G66L-AE5-R U74AHC1G66L-AF5-R U74AHC1G66L-AL5-R U74AHC1G86G