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SN74LS645DW SN74LS645N SN74LS645NG4
贴片直插SN74LS645-1/SN74LS640NG/SN74LS541HG/SN74LS640DW/4
贴片直插SN74LS641DW/SN74LS641HG/SN74LS682NG/SN74LS645NG/4
SN74LS645NG4【IC TXRX NON-INVERT 5.25V 20DIP】
全新原装 SN74LS646DW SN74LS645NSR SN74LS645NG4 SN74LS645N
SN74LS645DW/SN74LS645N/SN74LS645NG4
SN74LS640DBR(S645NG4 S646NT S652NT S669NS S670NG4
【 全新原装现货 】 SN74LS645NG4 IC TXRX NON-INVERT 5.25V 20
缓冲器/驱动器/收发器 SN74LS645NG4 PDIP-20 TI全新原装正品