SN74AHC540NSRG4规格参数
相关型号
SN74AHC540PW SN74AHC540PWE4 SN74AHC540PWG4 SN74AHC540PWLE SN74AHC540PWR SN74AHC540PWRE4 SN74AHC540PWRG4 SN74AHC541DBLE SN74AHC541DBR SN74AHC541DBRE4