SN74LS138DG4规格参数
相关型号
SN74LS138DR SN74LS138DRE4 SN74LS138DRG4 SN74LS138JD SN74LS138M SN74LS138MEL SN74LS138ML1 SN74LS138MR1 SN74LS138N SN74LS138N.