贴片直插HD64E7040A，HD74AC166P，HD74HC191P，HD74HC244P

HD74AC164FPTL HD74AC166P HD74AC174FPEL HD74AC175原装

HD74AC245P HD74AC244P HD74AC240P HD74AC175P HD74AC166P销

贴插HY5118164C-HI-6021H-A-HD6433926F-HD74AC166P-B