The scope of application version upload time size
CH374S,CH374T 3.2 2021-11-19 256KB
CH374 datasheet. CH374 is a USB-HOST&DEVICE general interface chip. It supports USB host and USB device, supports 12M USB full-speed communication and 1.5M low-speed communication, supports 8-bit parallel interface or SPI interface, supports all types of USB transmission and Hub operation, etc.

relation files

file name file content
CH375DS1.PDF CH375 datasheet. Easy-to-use USB-HOST&DEVICE general interface chip, supports host-slave USB applications and dynamic switch, has built-in communication protocol firmware, and provides USB flash disk file system library. This datasheet introduces the physical sector operation of the USB flash disk in USB host mode.
CH372DS1.PDF CH372/CH375/CH376 (device mode) datasheet. Easy-to-use USB-DEVICE general interface chip, used for users to quickly develop USB products. This datasheet introduces the basic transfer commands of USB devices.
CH315DS1.PDF CH315 datasheet. CH315G is a USB1.1 extension cable control chip. The extension distance of network cable can be up to 300 meters. CH315H is a USB signal isolation control chip, used for optoelectronic isolator.
CH376DS1.PDF CH376 datasheet. Easy-to-use USB flash disk and SD card file management chip, supports host-slave USB applications, supports FAT32/FAT16/FAT12, supports SPI/8-bit parallel port/asynchronous serial port. MCU resource occupies less memory. This datasheet introduces USB flash disk and SD card file read/write and management.
CH440DS1.PDF CH440/2/3/4 datasheet. A multi-channel bidirectional analog switch IC with low resistance and high bandwidth. 550MHz bandwidth. 5Ω ON resistance. The CH440/2/3/4 supports switch of video signals and low-speed/full-speed/high-speed USB signals.