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13874LS全新
SN74LS13NSN74LS139SN74LS145SN74LS147
SN74LS139JSN74LS139DSN74LS139LSN74LS139N
SN74LS145DSN74LS13ENSN74LS145NSN74LS147N
SN74LS136DRSN74LS136NSSN74LS137DRSN74LS137NS
SN74LS139MR1SN74LS13DR2GSN74LS145DG4SN74LS148NSR
SN74LS138DRSN74LS138NSSN74LS139ANSN74LS139NS
SN74LS145DRSN74LS145NSSN74LS146DRSN74LS13
施密特触发器原装SN74LS13N
与非门HD74LS133PSN74LS133N输入
与非门触发器HD74LS13PSN74LS13N
芯片SN74LS2074LS21N14
SN74LS00N芯片逻辑74LS02
双门SN74LS13N芯片POLOUTA
与非门触发器SN74LS13N输入
宽体贴片SN74LS245DWR原装
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