原装 M74HC221B1R DIP16 集成电路芯片

全新原装 M74HC221B1R DIP16 集成电路芯片

M74HC221B1R M74HC221RM13TR M74HC238B1R M74HC240B1R

M74HC237B1R M74HC221M1R M74HC221M1P M74HC221B1R M74HC21M1R1

M74HC237M1 M74HC237B1 M74HC221F1 M74HC221B1 M74HC21M1R

全新正品 M74HC2221B1R M74HC221BIR 74HC221 DIP16 直插16脚

贴插AC108RA8KPB 2SA2029T2LR M74HC244B1R M74HC221M1R N