10 PCS ISP1521BEUM LQFP80 ISP1521BE Hi-Speed Universal Serial Bus Hub Controller

2 PCS ISP1521BEUM LQFP80 ISP1521BE Hi-Speed Universal Serial Bus hub controller

2 PCS STC89C52RC-40I-LQFP44G STC 89C52RC MCU Microcontroller Chip IC

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