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SN74LS377DWR2 贴片宽体SOP7.2 丝印LS377 全新原装直拍
贴片直插SN74LS640DWR2G，SN74LS374DWR2G，SN74LS377DWR2G，4
贴片直插SN74LS393ML1G，SN74LS377DWR2，SN74LS393DR2G，4
