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HD74LS592 HD74LS593 HD74LS629 HD74LS629N原
HD/SN74LS14/25/32/72/95/97/150 /241/540/592/597/627N/P 直插
全新原装正品品质保证
SN74LS221NSR 247/253/283/390/423/592/670 HD74LS123FPEL SOP16
SN74LS396N 399/423/590/592/594/629 SN74LS75N HD74LS75P DIP16
SN74LS396N399/423/590/592/594
