SN74ALS640BNSR规格参数
相关型号
SN74ALS640BNSRE4 SN74ALS640BNSRG4 SN74ALS641A SN74ALS641A-1DB SN74ALS641A-1DW SN74ALS641A-1DWE4 SN74ALS641A-1DWG4 SN74ALS641A1DWR SN74ALS641A-1DWR SN74ALS641A-1DWRE4