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贴片直插SN74LS365ADR2G,SN74LS258BML2G,SN74LS273DWR2G,4
全新SN74LS279ANSR SN74LS273DWR2 SN74LS259BNSR SN74LS258BNSR
贴片直插SN74LS273MELG,SN74LS259MR1G,SN74LS273DWR2,4
贴插74HC151MTCX-74HC157MTCX-74LS273DWR2-SN74F374DWR