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逻辑门 SN74LS02DG4 SOIC-14 TI/德州 电子元器件配单原装正品
SN74LS645-1NSR/SN74LS02DG4/SN74LVT244BPW
【 全新原装现货 】 SN74LS02DG4 IC GATE NOR 4CH 2-INP 14SOIC
全新SN74LS03NG4 SN74LS03MEL SN74LS03DR2 SN74LS03DG4 SN74LS02
贴片直插SN54HCT04J，SN65176BDR，SN74LS05DG，SN74LS02MG，4
贴片直插SN74LS05MG，SN74LS02NG，SN74HCT574，SN74LS00DG，4
全新正品SN74LS02DR|SN74LS02DE4|SN74LS02DG4
贴片直插SN74LS02DG，SN74HCT645，SN74HCT374，SN74HCT377，4
