收发器缓冲器驱动器SN74LS640DWR￥31.60去看看万隆泰电子 原装正品发布了缓冲器/驱动器/收发器 SN74LS640DWR SOIC-20-300mil TI全新原装贴片SN74LS684DWGSN74LS640DWGSN74LS640ML2￥2.80去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN74LS684DWG SN74LS640DWG SN74LS640ML2 4贴片SN74LVC32ASN74LS90NSSN74LS640N￥2.60去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN74LVC32A SN74LS90NS SN74LS640N SN74LS86AJ 5贴片SN74LS669NSN74LS640NSN74LS373N￥2.80去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN74LS669N，SN74LS640N，SN74LS373N，SN74LS590N，4贴片SN75146DG4SN74S74NSRSN74LS640N￥2.70去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN75146DG4 SN74S74NSR SN74LS640N SN74S113AN 5贴片SN74LS641NSN74LS640MSN74LS629N￥2.70去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN74LS641N SN74LS640M SN74LS629N SN74LS640H 4贴片SN54LS￥2.10去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN54LS74A-SP，SN54LS640-SP，SN54LS688-SP，4贴片SN74LS640MR1GSN74LS640DWR2SN74LS640ML2G￥2.20去看看芯片二极管三极管电容电阻集成电路发布了贴片直插SN74LS640MR1G，SN74LS640DWR2，SN74LS640ML2G，4
