SN74AHC139DRE4规格参数
相关型号
SN74AHC139DRG4 SN74AHC139N SN74AHC139NE4 SN74AHC139NSR SN74AHC139NSRE4 SN74AHC139NSRG4 SN74AHC139PW SN74AHC139PWE4 SN74AHC139PWG4 SN74AHC139PWLE