US Patent 11068421 Memory device and associated flash memory controller

The present invention provides a memory device including a connector and a flash memory controller. The connector is configured to connect to a first host and a second host. The flash memory controller is configured to select one of the first host and the second host based on a selection signal, and the flash memory controller only processes commands from the selected one of the first host and the second host, and accesses a flash memory module based on the commands.