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贴插MC74HC4040ADR2G-IS61LV12816-12T-MC74HC240ADWR2G-N
MC74LCX240DWR2G 244DWG 245 373 573 VHC541 HC240ADWR SOP20
MC74HC240ADWR2G 丝印HC240A 封装SOP20 全新进口 正品现货
ON电子元器件芯片全新原装正品
MC74HC240ADW 244 245 HC273 HC541ADWG HC573 574ADWR2G/A SOP20
MC74HC240ADW531GR/SOP
SN74LVT240ADWR SN74HC273QDWRG4Q1 CY74FCT2573TSOCT
SN74LS240DWR 244NSR SN74HC573ADWR T244 T245 SN74HCT244NSR
全新SN74AB240ADWR SN74AB125APWR SN7474HC4053A SN742GU04DCKR