贴片直插SN74LS151MR1G，SN74LS148ML2G，SN74LS151MELG，4

贴片直插SN74LS153MELG，SN74LS151ML1G，SN74LS151ML2G，4

贴片直插SN74LS151DR2G，SN74LS148MELG，SN74LS148ML1G，4

贴片直插SN74LS153ML1 SN74LS14MELG SN74LS151ML1 4