SN74LV244DWR规格参数
相关型号
SN74LV245ADB SN74LV245ADBLE SN74LV245ADBR SN74LV245ADBRE4 SN74LV245ADBRG4 SN74LV245ADGVR SN74LV245ADGVRE4 SN74LV245ADGVRG4 SN74LV245ADW SN74LV245ADWE4