ElectronicsThe CH374U is a USB IC from Qin Heng Electronics. It is a 12Mbps 3.3V, 5V SSOP-24_208mil RoHS compliant component. The CH374U is designed to provide an efficient connection between USB and UART, allowing a wide range of devices to be integrated into a variety of applications. Its features include automatic configuration through plug-and-play, synchronization with the digital signal of the host, and compliance with USB 2.0 full-speed specifications and UART variants. The package has 24 pins and is 208mil wide. It is RoHS compliant, which means it is free of hazardous materials, and operates at 3.3V and 5V.