全新54HC158F3A 54HC157F3A 54HC14DMQB 54HC138F3A 54HC132F3A

贴插54ACTQ14J-54HC128AJ-IR2181STR-54F02DMQB-N

贴片直插54HC08/BCA，54LS05DMQB，54LS14/BCA，54LS27DMQB