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贴片直插MC74AC139MELG MC74AC138MR2G MC74AC139DTR2 4
MC74AC139MELG【IC DECODER/DEMUX 1X2:4 16SOEIAJ】
MC74AC138DTR2G * MC74AC138MELG * MC74AC139DG
丝印MC74AC151DR2-MC74AC14MELG-MC74AC14DR2G-MC74AC139DR2