SN74LS69DCOUNTER全新BINARY￥14.20去看看见路电子商城发布了SN74LS69D -[全新BINARY COUNTER, LS SERIES]分频器正品计数器原装￥11.90去看看万隆泰电子 原装正品发布了计数器/分频器 SN74LS69D - TI全新原装正品
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