NCA9547A-Q100 Datasheet | Nexperia

8-channel I²C-bus multiplexer with reset Rev. 1 - 20 August 2025 Product data sheet 1. General description The NCA9547-Q100 is an octal bidirectional translating multiplexer controlled by the I²C-bus. The SCL/ SDA upstream pair fans out to eight downstream pairs, or channels. Only one SCn/SDn channel can be selected at a time, determined by the contents of the programmable control register. The device powers up with Channel 0 connected, allowing immediate munication between the controller and downstream devices (targets) on that channel. An active LOW reset input allows the NCA9547Q100 to recover from a situation where one of the downstream I²C-buses is stuck in a LOW...