Found 11 alternatives for UPD350DT/Q8X by Microchip Technology. Interface Controllers — 28-VFQFN Exposed Pad.
IC CTRLR BRIDGE USB-UART 28QFN
IC CTRLR BRIDGE USB-UART 28MLP
IC USB-TO-UART BRIDGE 28VQFN
IC USB CONTROLLER I2C 28QFN
IC USB CONTROLLER I2C 28QFN
IC USB CONTROLLER SPI 28QFN
IC USB CONTROLLER SPI 28QFN
IC USB CONTROLLER SPI 28QFN
IC USB CONTROLLER I2C 28QFN
IC CTRLR BRIDGE USB-UART 28MLP
IC USB CONTROLLER SPI 28QFN