SN74LV240DBLE规格参数
相关型号
SN74LV240DW SN74LV240DWR SN74LV240PWLE SN74LV244ADB SN74LV244ADBLE SN74LV244ADBR SN74LV244ADBRE4 SN74LV244ADBRG4 SN74LV244ADGVR SN74LV244ADGVRE4