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贴片直插MC74ACT377ML2，MC74ACT374MR2，MC74ACT377MEL，4
贴片直插MC74ACT374ML1，MC74ACT374DWG，MC74ACT374MEL，4
丝印MC74ACT374ML1-MC74ACT374DWR-MC74ACT373MEL-MC74ACT373DWR
MC74HC244AFEL HC273AFELG HC374 ACT541MEL 145220F 145407FEL
