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贴片直插MC74HC574ADTG MC74HC541AFR2 MC74HC573AFL2 4
丝印MC74HC589ADTR-MC74HC589ADTG-MC74HC589ADR2-MC74HC574AFL1
贴片直插MC74HC595ADTG MC74HC574AFEL MC74HC589AFEL 4
贴片直插MC74HC589AFL1 MC74HC574AFR1 MC74HC589ADTG 4
