SN74HC4040NSRG4规格参数
相关型号
SN74HC4040PW SN74HC4040PWE4 SN74HC4040PWG4 SN74HC4040PWLE SN74HC4040PWR SN74HC4040PWRE4 SN74HC4040PWRG4 SN74HC4040PWT SN74HC4040PWTE4 SN74HC4040PWTG4