全新SN74LS139NS SN74LS139AN SN74LS138NS SN74LS138DR SN74LS13
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10个 SN74LS06/08/139/161/244/245NSR/ANSR/NS/ANS 逻辑IC芯片
新SN74LS244NS SN74LV139AD SN74LS19ANS SN74HCT373D R
新DM74LS139M SN74AC11NS SVM7860CSQ LSP241JC20 T
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