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新SN74LS21NSR SN74LS07DBR BD9828FV-E2 SN74LS02MR1
贴片直插SN74LS04ML2/SN74LS04DR2/SN74LS00MR2/SN74LS02MR1/4
贴片直插SN74LS05DR2G，SN74LS02MR1G，SN74LS04ML1G，4
贴片直插SN74LS02ML2G，SN74LS00MR1G，SN74LS02MELG，4
贴片直插SN74LS02MEL/SN74LS04MEL/SN74LS05MR1/SN74LS05DR2/4
贴片直插SN74LS04NSR/SN74LS04MR1/SN74LS02ML2/SN74LS04ML1/4
