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逻辑芯片SN74LS623DWR原装正品 提供配单服务
SN74LS688DWR SN74LVT574DWR 74ACT11004DW CD74ACT623M96
SN74LS640-1DW SN74LS640DWR SN74AC564DW SN74ABT623DWR
SN74LS623DWR【IC TXRX NON-INVERT 5.25V 20SOIC】
全新原装 SN74LS623DWR SN74LS623DWG4 SN74LS623DWE4/74LS623DW
逻辑芯片SN74LS623DWR SN74LS623 sn74ls623dwr SOP-20
