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丝印MC74AC151DR2-MC74AC14MELG-MC74AC14DR2G-MC74AC139DR2
贴片直插MC74AC151DR2G MC74AC139ML1G MC74AC139MR2G 4
贴片直插MC74AC157MEL MC74AC151DR2 MC74AC153ML2 4
原装74AC161SJX TC74ACT151F MC74ACT125DR2 SN74LS157NSR
