SN74LVT240DW规格参数
相关型号
SN74LVT240DWR SN74LVT241DW SN74LVT241DWR SN74LVT241PWLE SN74LVT244ADWR SN74LVT244ANSR SN74LVT244APWR SN74LVT244BDB SN74LVT244BDBLE SN74LVT244BDBR