贴片直插UPD74HC534，UPD74HC27G，UPD74HC02C，UPD74HC21C，4

UPD74HC74G-E2/JM R27V1602F-1LA LTC1735CGN-1 CY8C20466-24LCXI

丝印UPD5555G-E1-A UPD54HC74B-EM UPD54HC27B-EM UPD54HC14B-EM