贴片直插54HC74/BCAJC，54LS161A/BEA，54LS163J883B

正品DM54LS164J/883C DM54LS163J/883C DM54LS163J/883B

贴片直插DM54LS163AJ/883，DM54LS164J/883B，DM54LS190J/883C

贴片直插DM54LS374J/883，DM54S163J/883C，DM54S189J/883B

贴插74ACT11257DBR-54LS163J/883B-74ACT11074DBR