全新SN74ALS641ADW SN74ALS641A-1 SN74ALS640BNS SN74ALS640BDW

全新原装现货 SN74ALS640BNS 封装20/SOP 集成芯片IC 询价拍

原SN74ALS640BNS 74403L10SO PC817 MC3487M原装

原装SN74ALS161BNS SN74ALS640BNS SN74LS04NS SN74ABT240DB

SN74ALS640BNS MB88347PFV-G-BND-ER H57V2562GTR-60C 5M0365R

全新原装正品品质保证