The CH372 with USB ICs 3.3V, 5V SSOP-20_208mil RoHS is a USB to serial interface IC manufactured by Qin Heng. It is a USB 2.0 full-speed programmable interface with an integrated microcontroller that allows for access to various USB devices as well as embedded control applications. It supports all common RS232-level signals and has integrated support for hardware handshake interface. Features include 512Kbits of general purpose flash memory, programmable serial baud rate up to 12 Mbps, low quiescent current power consumption, integrated 10-bit A/D converter, and integrated USB transceiver circuit for low power consumption. This IC is available in SSOP-20_208mil RoHS package and operating temperature range from -40 to +85°C.