正品DM74HCLS33PC DM74HC688WMX DM74HC273WMX DM74F161ASJX

贴插DM74F161ASJX-DM74ACT521SJ-DM74F151ASJX-B

新贴片直插DM74LS373WMX，DM74F151ASJX，DM74F161ASJX，6

新贴片直插DM74F161ASJX，DM74ALS245AN，DM74F151ASJX，6