全新SN74AS645DWR SN74AS641DWR SN74AS640NSR SN74AS640DWR

SN74AS641N SN74AS645DW SN74AS645DWR

SN74AS645DWR【IC TXRX NON-INVERT 5.5V 20SOIC】

SN74AS867DWE4/SN74AS645DWR/SN74ACT574NSRE4

SN74AS645DWR芯片 《 BUS TRANSCEIVER, AS SERIES 》

SN74AS645DWR芯片 〔BUS TRANSCEIVER, AS SERIES 〕

SN74AS645DWR/SN74ACT574NSRE4/SN74AS867DWE4

收发器SN74AS645DWR SN74AS645 sn74as645dwr SOP-20