SN74LS245DBRG4规格参数
相关型号
SN74LS245DW SN74LS245DWG4 SN74LS245DWR SN74LS245DWR2 SN74LS245DWRG4 SN74LS245M SN74LS245ML1 SN74LS245MR1 SN74LS245N SN74LS245N3